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From: Jerry Ebalunode <jebalunode@UH.EDU>
Reply-To: jebalunode@UH.EDU
Organization: University of Houston
To: Gengbin Zheng <gzheng@ks.uiuc.edu>
Subject: Re: namd-l: Re: Intel C/C++ compiler Version 8 for compiling NAMD on IA64
Date: Fri, 2 Jan 2004 12:04:41 -0600
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Hi Gengbin,
Sorry it took so long to get back to you. Well here is output during the 
compilation charm++  using intel c+ compiler version 8
[jebalunode@mckinley charm]$ ./build charm++ mpi-linux-ia64 ecc
Selected Compiler: ecc
Selected Options:
Copying src/scripts/Makefile to mpi-linux-ia64-ecc/tmp
Soft-linking over bin
Soft-linking over lib
Soft-linking over lib_so
Soft-linking over include
Soft-linking over tmp
Generating mpi-linux-ia64-ecc/tmp/conv-mach-pre.sh
Performing 'make  charm++ OPTS=' in mpi-linux-ia64-ecc/tmp
make headerlinks
make[1]: Entering directory 
`/tlccs2a/home/briggs/jebalunode/src/NAMD_2.5_Source/charm/mpi-linux-ia64-ecc/tmp'
../bin/charmc -native  -language c++ -cp ../bin/ -o charmxi xi-main.o 
xi-symbol.o xi-grammar.tab.o xi-scan.o xi-util.o sdag-globals.o 
CSdagConstruct.o CEntry.o
../bin/charmc -intrinsic -build-shared ckcallback.ci
../bin/charmc -intrinsic -build-shared ckmarshall.ci
../bin/charmc -intrinsic -build-shared ckarray.ci
../bin/charmc -intrinsic -build-shared cklocation.ci
../bin/charmc -intrinsic -build-shared ckreduction.ci
../bin/charmc -intrinsic -build-shared ckarrayreductionmgr.ci
../bin/charmc -intrinsic -build-shared tempo.ci
../bin/charmc -intrinsic -build-shared waitqd.ci
../bin/charmc -intrinsic -build-shared ckfutures.ci
../bin/charmc -intrinsic -build-shared ckcheckpoint.ci
../bin/charmc -intrinsic -build-shared LBDatabase.ci
../bin/charmc -intrinsic -build-shared CentralLB.ci
../bin/charmc -intrinsic -build-shared ComboCentLB.ci
../bin/charmc -intrinsic -build-shared NullLB.ci
../bin/charmc -intrinsic -build-shared RandCentLB.ci
../bin/charmc -intrinsic -build-shared RecBisectBfLB.ci
../bin/charmc -intrinsic -build-shared BaseLB.ci
../bin/charmc -intrinsic -build-shared MetisLB.ci
../bin/charmc -intrinsic -build-shared DummyLB.ci
../bin/charmc -intrinsic -build-shared RefineLB.ci
../bin/charmc -intrinsic -build-shared RefineCommLB.ci
../bin/charmc -intrinsic -build-shared OrbLB.ci
../bin/charmc -intrinsic -build-shared GreedyLB.ci
../bin/charmc -intrinsic -build-shared NborBaseLB.ci
../bin/charmc -intrinsic -build-shared NeighborLB.ci
../bin/charmc -intrinsic -build-shared NeighborCommLB.ci
../bin/charmc -intrinsic -build-shared WSLB.ci
../bin/charmc -intrinsic -build-shared GreedyRefLB.ci
../bin/charmc -intrinsic -build-shared RandRefLB.ci
../bin/charmc -intrinsic -build-shared GreedyCommLB.ci
../bin/charmc -intrinsic -build-shared Comm1LB.ci
../bin/charmc -intrinsic -build-shared EveryLB.ci
../bin/charmc -intrinsic -build-shared charisma.ci
../bin/charmc -intrinsic -build-shared trace-summary.ci
../bin/charmc -intrinsic -build-shared BlueGene.ci
Soft-linking headers...
make[1]: [headerlinks] Error 1 (ignored)
touch headerlinks
make[1]: Leaving directory 
`/tlccs2a/home/briggs/jebalunode/src/NAMD_2.5_Source/charm/mpi-linux-ia64-ecc/tmp'
touch basics
make charm-target
make[1]: Entering directory 
`/tlccs2a/home/briggs/jebalunode/src/NAMD_2.5_Source/charm/mpi-linux-ia64-ecc/tmp'
make headerlinks
make[2]: Entering directory 
`/tlccs2a/home/briggs/jebalunode/src/NAMD_2.5_Source/charm/mpi-linux-ia64-ecc/tmp'
make[2]: `headerlinks' is up to date.
make[2]: Leaving directory 
`/tlccs2a/home/briggs/jebalunode/src/NAMD_2.5_Source/charm/mpi-linux-ia64-ecc/tmp'
touch basics
make QuickThreads/libqt.a
make[2]: Entering directory 
`/tlccs2a/home/briggs/jebalunode/src/NAMD_2.5_Source/charm/mpi-linux-ia64-ecc/tmp'
make[2]: `QuickThreads/libqt.a' is up to date.
make[2]: Leaving directory 
`/tlccs2a/home/briggs/jebalunode/src/NAMD_2.5_Source/charm/mpi-linux-ia64-ecc/tmp'
make converse-target
make[2]: Entering directory 
`/tlccs2a/home/briggs/jebalunode/src/NAMD_2.5_Source/charm/mpi-linux-ia64-ecc/tmp'
../bin/charmc  -build-shared -c -I. convcore.c
convcore.c(2004): warning #266: function declared implicitly
    CmiTimerInit();
    ^

../bin/charmc  -build-shared -c -I. conv-conds.c
../bin/charmc  -build-shared -c -I. queueing.c
../bin/charmc  -build-shared -c -I. msgmgr.c
../bin/charmc  -build-shared -c -I. cpm.c
../bin/charmc  -build-shared -c -I. cpthreads.c
../bin/charmc  -build-shared -c -I. futures.c
../bin/charmc  -build-shared -c -I. cldb.c
../bin/charmc  -build-shared -c -I. topology.C
../bin/charmc  -build-shared -c -I. random.c
../bin/charmc  -build-shared -c -I. debug-conv.c
../bin/charmc  -build-shared -c -I. generate.c
../bin/charmc  -build-shared -c -I. edgelist.c
edgelist.c(58): warning #1193: standard requires that parameter "x" be given a 
type by a subsequent declaration ("int" assumed)
  int edgeExists(x,y)
                 ^

edgelist.c(58): warning #1193: standard requires that parameter "y" be given a 
type by a subsequent declaration ("int" assumed)
  int edgeExists(x,y)
                   ^

../bin/charmc  -build-shared -c -I. conv-ccs.c
ccs-server.c(311): warning #266: function declared implicitly
        if (isxdigit(key[0]) && isxdigit(key[1]))
            ^

ccs-server.c(353): warning #167: argument of type "unsigned int *far" is 
incompatible with parameter of type "int *far"
    ccs_server_fd=skt_server(&port);
                             ^

ccs-server.c(416): warning #167: argument of type "unsigned int *far" is 
incompatible with parameter of type "int *far"
    fd=skt_accept(ccs_server_fd,&ip,&port);
                                    ^

../bin/charmc  -build-shared -c -I. ccs-builtins.C
../bin/charmc  -build-shared -c -I. traceCore.C
traceCoreAPI.h(8): warning #380: linkage specification is incompatible with 
previous "Cpv__traceCoreOn_" (declared at line 20 of "traceCore.h")
  CpvExtern(int,_traceCoreOn);
  ^

../bin/charmc  -build-shared -c -I. traceCoreCommon.C
traceCoreAPI.h(8): warning #380: linkage specification is incompatible with 
previous "Cpv__traceCoreOn_" (declared at line 20 of "traceCore.h")
  CpvExtern(int,_traceCoreOn);
  ^

../bin/charmc  -build-shared -c -I. converseProjections.C
../bin/charmc  -build-shared -c -I. machineProjections.C
../bin/charmc  -build-shared -c -I. quiescence.c
../bin/charmc  -build-shared -c -I. isomalloc.c
../bin/charmc  -build-shared -c -I. global-nop.c
../bin/charmc  -build-shared -o ../lib/libconv-core.a convcore.o conv-conds.o 
queueing.o msgmgr.o cpm.o cpthreads.o futures.o cldb.o topology.o random.o 
debug-conv.o generate.o edgelist.o conv-ccs.o ccs-builtins.o traceCore.o 
traceCoreCommon.o converseProjections.o machineProjections.o quiescence.o 
isomalloc.o global-nop.o
Warning: creating ../lib_so/libconv-core.so
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
keys_inactive
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol keys_active
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol keys_active
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
keys_inactive
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_current_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_current_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol keys_active
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_current_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_current_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol keys_active
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_current_
/usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol 
Csv_CtvOffsCpthread_errcode_
Fatal Error by charmc in 
directory /tlccs2a/home/briggs/jebalunode/src/NAMD_2.5_Source/charm/mpi-linux-ia64-ecc/tmp
Command icc -L/opt/scali/lib -lmpi -o ../lib_so/libconv-core.so -shared 
-L/tlccs2a/home/briggs/jebalunode/src/NAMD_2.5_Source/charm/mpi-linux-ia64-ecc/lib_so 
convcore.o conv-conds.o queueing.o msgmgr.o cpm.o cpthreads.o futures.o 
cldb.o topology.o random.o debug-conv.o generate.o edgelist.o conv-ccs.o 
ccs-builtins.o traceCore.o traceCoreCommon.o converseProjections.o 
machineProjections.o quiescence.o isomalloc.o global-nop.o returned error 
code 1
charmc exiting...
make[2]: *** [../lib/libconv-core.a] Error 1
make[2]: Leaving directory 
`/tlccs2a/home/briggs/jebalunode/src/NAMD_2.5_Source/charm/mpi-linux-ia64-ecc/tmp'
make[1]: *** [converse] Error 2
make[1]: Leaving directory 
`/tlccs2a/home/briggs/jebalunode/src/NAMD_2.5_Source/charm/mpi-linux-ia64-ecc/tmp'
make: *** [charm++] Error 2

On Wednesday 31 December 2003 01:25 pm, Gengbin Zheng wrote:
> I don't have access to Intel C++ compilers v8.0 on IA64. Could you copy me
> the compile error messages?
>
> Gengbin
>
> On Wed, 31 Dec 2003, Jerry Ebalunode wrote:
> > Hi,
> > I would like to know if Charm++ and then NAMD can be built using the new
> > intel C++ compiler version 8.0 on an IA64 arch. I already tried this on
> > the charm++ source code that was provided along with the namd ver2.5.,
> > with no succes in compling charm++ for mpi-linux-ia64.
> >
> > On Wednesday 31 December 2003 11:59 am, Gengbin Zheng wrote:
> > > Oops, forgot to mention, you need to recompile Linux version of NAMD
> > > from scratch also. The pre-compiled version is not compatiable with the
> > > latest CVS version due to my recent changes in structure layout. Also,
> > > the pre-compiled version is built with Intel C++ compiler which I have
> > > not tested the compatibility with Win32 VC++ yet. So I would suggest
> > > going with gcc on Linux before I tested it with Intel C++.
> > >
> > > Since I don't know which verison of Linux you are running, I don't know
> > > how to make pre-compiled binary for you. But compiling for Linux is
> > > fairely easy, check out:
> > > http://www.ks.uiuc.edu/Research/namd/development.html
> > > Please download both Charm++ and NAMD source from the two different CVS
> > > servers.
> > >
> > > I myself rarely use tcl and plugins features (being a mostly Charm++
> > > developer). Based on my limited knowledge, tcl is used to enable
> > > scripting features (so you can write tcl scripts in config file), and
> > > plugins tools are from VMD's Plugins to enable trajectory analysis. The
> > > NAMD user manual should have more detailed information.
> > >
> > > Gengbin
> > >
> > > On Wed, 31 Dec 2003, Gadi Oron wrote:
> > > > On Wed, 2003-12-31 at 02:05, Gengbin Zheng wrote:
> > > > > Hi,
> > > > >
> > > > >  Please find the NAMD binary compiled with Windows VC++ 6.0 at:
> > > > >  http://www.ks.uiuc.edu/~gzheng/NAMD_Win32-i686.zip
> > > >
> > > > Thank you, but still no luck...
> > > > I manage to start NAMD alone on a Win2K node and on Linux node,
> > > > so probably my nodelist is Ok. But together I get either:
> > > >
> > > > Info: SUMMARY OF PARAMETERS:
> > > > Info: 180 BONDS
> > > > Info: 442 ANGLES
> > > > Info: 534 DIHEDRAL
> > > > Info: 50 IMPROPER
> > > > Info: 91 VDW
> > > > Info: 0 VDW_PAIRS
> > > > Charmrun: error on request socket--
> > > > Error on socket recv!
> > > >
> > > > when the Linux box is first in the nodelist and:
> > > >
> > > > Charmrun> node programs all connected
> > > > ------------- Processor 1 Exiting: Caught Signal ------------
> > > > Signal: segmentation violation
> > > > Suggestion: Try running with '++debug', or linking with '-memory
> > > > paranoid'.
> > > > Fatal error on PE 1> segmentation violation
> > > >
> > > > when the order is inverted.
> > > >
> > > > I am using charmd compiled from the last source and NAMD 2.5 from
> > > > the pre-compiled binaries for linux and your Windows executables.
> > > >
> > > > Any idea?
> > > >
> > > > Best regards.
> > > >
> > > > P.S. It is not really explained what "plugins" and "tcl" libraries
> > > > are needed for... Could you give me a hint on that?
> > > > --
> > > > ================= Gadi ORON, PhD -o- Proteologics
> > > > ====================== ========== gadi/at/proteologics.com ==========
> > > > +972 8 9475666 ========== The questions remain the same.  The answers
> > > > are eternally variable.
> >
> > --
> > Cheers,
> >
> > Jerry Ebalunode
> > Graduate Research Assistant
> > RM 402F Houston Science Center
> > Phone: 713-743-8367
> > Dept. of Biology and Biochemistry
> > University of Houston.
> > 4800 Calhoun Road
> > Houston, TX 77204

-- 
Cheers,

Jerry Ebalunode
Graduate Research Assistant
RM 402F Houston Science Center
Phone: 713-743-8367
Dept. of Biology and Biochemistry
University of Houston.
4800 Calhoun Road
Houston, TX 77204

From owner-namd-l@rama.ks.uiuc.edu Fri Jan  2 12:09:56 2004
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Date: Fri, 2 Jan 2004 12:09:51 -0600 (CST)
From: Gengbin Zheng <gzheng@ks.uiuc.edu>
To: Gadi Oron <gadi@proteologics.com>
cc: namd-l@ks.uiuc.edu, <ppl@cs.uiuc.edu>
Subject: Re: namd-l: Charm++ nodelist commands
In-Reply-To: <Pine.GSO.4.44.0312301754410.6747-100000@cancun.ks.uiuc.edu>
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> > > Another question: is it possible to set process priority (nice level)
> > > for NAMD node programs?
> > >
> >
> >  No. It can be implemented but not for windows I guess.
> >

You can now. This has been implemented in Charm++ CVS server.
It is only for non windows versions.

Nice level can be passed in command line using +nice n,
for example:
./charmrun +p2 ./pgm +nice 10
will set process priority for all node processes to 10.
This currently works for all net-* and mpi-* verisons of Charm++.

For net-* versions when nodelist file is readed, one can set process
specific nice value in nodelist too, for example:

group main
host host1  +nice 10
host host2  +nice 8

Note that the nice value normally ranges from -20 to 20, but may be
system dependent. Setting negative value needs root privilege, the program
will abort when error occurs.

Please let me know if you have any problem when using this new feature.

Gengbin



From owner-namd-l@rama.ks.uiuc.edu Fri Jan  2 12:16:33 2004
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	Fri, 2 Jan 2004 12:16:32 -0600 (CST)
Date: Fri, 2 Jan 2004 12:16:32 -0600 (CST)
From: Gengbin Zheng <gzheng@ks.uiuc.edu>
To: Jerry Ebalunode <jebalunode@UH.EDU>
cc: namd-l@ks.uiuc.edu
Subject: Re: namd-l: Re: Intel C/C++ compiler Version 8 for compiling NAMD
 on IA64
In-Reply-To: <200401021204.41329.jebalunode@uh.edu>
Message-ID: <Pine.GSO.4.44.0401021213050.24542-100000@cancun.ks.uiuc.edu>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: owner-namd-l@ks.uiuc.edu
Precedence: bulk


Hi,

Please make this change in your charm++ config file at:
charm/src/arch/mpi-linux-ia64/cc-ecc.sh

add -fpic as one command line option to both c and c++ compiler, i.e.
change line:
CMK_CC="ecc $CMK_INCDIR "
to
CMK_CC="ecc -fpic $CMK_INCDIR "

also
CMK_CXX="ecpc $CMK_INCDIR "
to
CMK_CXX="ecpc -fpic $CMK_INCDIR "

please let me know if this fix the compilation and I will commit the
change into cvs.

Gengbin

On Fri, 2 Jan 2004, Jerry Ebalunode wrote:

> Hi Gengbin,
> Sorry it took so long to get back to you. Well here is output during the
> compilation charm++  using intel c+ compiler version 8
> [jebalunode@mckinley charm]$ ./build charm++ mpi-linux-ia64 ecc
> Selected Compiler: ecc
> Selected Options:
> Copying src/scripts/Makefile to mpi-linux-ia64-ecc/tmp
> Soft-linking over bin
> Soft-linking over lib
> Soft-linking over lib_so
> Soft-linking over include
> Soft-linking over tmp
> Generating mpi-linux-ia64-ecc/tmp/conv-mach-pre.sh
> Performing 'make  charm++ OPTS=' in mpi-linux-ia64-ecc/tmp
> make headerlinks
> make[1]: Entering directory
> `/tlccs2a/home/briggs/jebalunode/src/NAMD_2.5_Source/charm/mpi-linux-ia64-ecc/tmp'
> ../bin/charmc -native  -language c++ -cp ../bin/ -o charmxi xi-main.o
> xi-symbol.o xi-grammar.tab.o xi-scan.o xi-util.o sdag-globals.o
> CSdagConstruct.o CEntry.o
> ../bin/charmc -intrinsic -build-shared ckcallback.ci
> ../bin/charmc -intrinsic -build-shared ckmarshall.ci
> ../bin/charmc -intrinsic -build-shared ckarray.ci
> ../bin/charmc -intrinsic -build-shared cklocation.ci
> ../bin/charmc -intrinsic -build-shared ckreduction.ci
> ../bin/charmc -intrinsic -build-shared ckarrayreductionmgr.ci
> ../bin/charmc -intrinsic -build-shared tempo.ci
> ../bin/charmc -intrinsic -build-shared waitqd.ci
> ../bin/charmc -intrinsic -build-shared ckfutures.ci
> ../bin/charmc -intrinsic -build-shared ckcheckpoint.ci
> ../bin/charmc -intrinsic -build-shared LBDatabase.ci
> ../bin/charmc -intrinsic -build-shared CentralLB.ci
> ../bin/charmc -intrinsic -build-shared ComboCentLB.ci
> ../bin/charmc -intrinsic -build-shared NullLB.ci
> ../bin/charmc -intrinsic -build-shared RandCentLB.ci
> ../bin/charmc -intrinsic -build-shared RecBisectBfLB.ci
> ../bin/charmc -intrinsic -build-shared BaseLB.ci
> ../bin/charmc -intrinsic -build-shared MetisLB.ci
> ../bin/charmc -intrinsic -build-shared DummyLB.ci
> ../bin/charmc -intrinsic -build-shared RefineLB.ci
> ../bin/charmc -intrinsic -build-shared RefineCommLB.ci
> ../bin/charmc -intrinsic -build-shared OrbLB.ci
> ../bin/charmc -intrinsic -build-shared GreedyLB.ci
> ../bin/charmc -intrinsic -build-shared NborBaseLB.ci
> ../bin/charmc -intrinsic -build-shared NeighborLB.ci
> ../bin/charmc -intrinsic -build-shared NeighborCommLB.ci
> ../bin/charmc -intrinsic -build-shared WSLB.ci
> ../bin/charmc -intrinsic -build-shared GreedyRefLB.ci
> ../bin/charmc -intrinsic -build-shared RandRefLB.ci
> ../bin/charmc -intrinsic -build-shared GreedyCommLB.ci
> ../bin/charmc -intrinsic -build-shared Comm1LB.ci
> ../bin/charmc -intrinsic -build-shared EveryLB.ci
> ../bin/charmc -intrinsic -build-shared charisma.ci
> ../bin/charmc -intrinsic -build-shared trace-summary.ci
> ../bin/charmc -intrinsic -build-shared BlueGene.ci
> Soft-linking headers...
> make[1]: [headerlinks] Error 1 (ignored)
> touch headerlinks
> make[1]: Leaving directory
> `/tlccs2a/home/briggs/jebalunode/src/NAMD_2.5_Source/charm/mpi-linux-ia64-ecc/tmp'
> touch basics
> make charm-target
> make[1]: Entering directory
> `/tlccs2a/home/briggs/jebalunode/src/NAMD_2.5_Source/charm/mpi-linux-ia64-ecc/tmp'
> make headerlinks
> make[2]: Entering directory
> `/tlccs2a/home/briggs/jebalunode/src/NAMD_2.5_Source/charm/mpi-linux-ia64-ecc/tmp'
> make[2]: `headerlinks' is up to date.
> make[2]: Leaving directory
> `/tlccs2a/home/briggs/jebalunode/src/NAMD_2.5_Source/charm/mpi-linux-ia64-ecc/tmp'
> touch basics
> make QuickThreads/libqt.a
> make[2]: Entering directory
> `/tlccs2a/home/briggs/jebalunode/src/NAMD_2.5_Source/charm/mpi-linux-ia64-ecc/tmp'
> make[2]: `QuickThreads/libqt.a' is up to date.
> make[2]: Leaving directory
> `/tlccs2a/home/briggs/jebalunode/src/NAMD_2.5_Source/charm/mpi-linux-ia64-ecc/tmp'
> make converse-target
> make[2]: Entering directory
> `/tlccs2a/home/briggs/jebalunode/src/NAMD_2.5_Source/charm/mpi-linux-ia64-ecc/tmp'
> ../bin/charmc  -build-shared -c -I. convcore.c
> convcore.c(2004): warning #266: function declared implicitly
>     CmiTimerInit();
>     ^
>
> ../bin/charmc  -build-shared -c -I. conv-conds.c
> ../bin/charmc  -build-shared -c -I. queueing.c
> ../bin/charmc  -build-shared -c -I. msgmgr.c
> ../bin/charmc  -build-shared -c -I. cpm.c
> ../bin/charmc  -build-shared -c -I. cpthreads.c
> ../bin/charmc  -build-shared -c -I. futures.c
> ../bin/charmc  -build-shared -c -I. cldb.c
> ../bin/charmc  -build-shared -c -I. topology.C
> ../bin/charmc  -build-shared -c -I. random.c
> ../bin/charmc  -build-shared -c -I. debug-conv.c
> ../bin/charmc  -build-shared -c -I. generate.c
> ../bin/charmc  -build-shared -c -I. edgelist.c
> edgelist.c(58): warning #1193: standard requires that parameter "x" be given a
> type by a subsequent declaration ("int" assumed)
>   int edgeExists(x,y)
>                  ^
>
> edgelist.c(58): warning #1193: standard requires that parameter "y" be given a
> type by a subsequent declaration ("int" assumed)
>   int edgeExists(x,y)
>                    ^
>
> ../bin/charmc  -build-shared -c -I. conv-ccs.c
> ccs-server.c(311): warning #266: function declared implicitly
>         if (isxdigit(key[0]) && isxdigit(key[1]))
>             ^
>
> ccs-server.c(353): warning #167: argument of type "unsigned int *far" is
> incompatible with parameter of type "int *far"
>     ccs_server_fd=skt_server(&port);
>                              ^
>
> ccs-server.c(416): warning #167: argument of type "unsigned int *far" is
> incompatible with parameter of type "int *far"
>     fd=skt_accept(ccs_server_fd,&ip,&port);
>                                     ^
>
> ../bin/charmc  -build-shared -c -I. ccs-builtins.C
> ../bin/charmc  -build-shared -c -I. traceCore.C
> traceCoreAPI.h(8): warning #380: linkage specification is incompatible with
> previous "Cpv__traceCoreOn_" (declared at line 20 of "traceCore.h")
>   CpvExtern(int,_traceCoreOn);
>   ^
>
> ../bin/charmc  -build-shared -c -I. traceCoreCommon.C
> traceCoreAPI.h(8): warning #380: linkage specification is incompatible with
> previous "Cpv__traceCoreOn_" (declared at line 20 of "traceCore.h")
>   CpvExtern(int,_traceCoreOn);
>   ^
>
> ../bin/charmc  -build-shared -c -I. converseProjections.C
> ../bin/charmc  -build-shared -c -I. machineProjections.C
> ../bin/charmc  -build-shared -c -I. quiescence.c
> ../bin/charmc  -build-shared -c -I. isomalloc.c
> ../bin/charmc  -build-shared -c -I. global-nop.c
> ../bin/charmc  -build-shared -o ../lib/libconv-core.a convcore.o conv-conds.o
> queueing.o msgmgr.o cpm.o cpthreads.o futures.o cldb.o topology.o random.o
> debug-conv.o generate.o edgelist.o conv-ccs.o ccs-builtins.o traceCore.o
> traceCoreCommon.o converseProjections.o machineProjections.o quiescence.o
> isomalloc.o global-nop.o
> Warning: creating ../lib_so/libconv-core.so
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> keys_inactive
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol keys_active
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol keys_active
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> keys_inactive
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_current_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_current_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol keys_active
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_current_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_current_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol keys_active
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_current_
> /usr/bin/ld: cpthreads.o: @gprel relocation against dynamic symbol
> Csv_CtvOffsCpthread_errcode_
> Fatal Error by charmc in
> directory /tlccs2a/home/briggs/jebalunode/src/NAMD_2.5_Source/charm/mpi-linux-ia64-ecc/tmp
> Command icc -L/opt/scali/lib -lmpi -o ../lib_so/libconv-core.so -shared
> -L/tlccs2a/home/briggs/jebalunode/src/NAMD_2.5_Source/charm/mpi-linux-ia64-ecc/lib_so
> convcore.o conv-conds.o queueing.o msgmgr.o cpm.o cpthreads.o futures.o
> cldb.o topology.o random.o debug-conv.o generate.o edgelist.o conv-ccs.o
> ccs-builtins.o traceCore.o traceCoreCommon.o converseProjections.o
> machineProjections.o quiescence.o isomalloc.o global-nop.o returned error
> code 1
> charmc exiting...
> make[2]: *** [../lib/libconv-core.a] Error 1
> make[2]: Leaving directory
> `/tlccs2a/home/briggs/jebalunode/src/NAMD_2.5_Source/charm/mpi-linux-ia64-ecc/tmp'
> make[1]: *** [converse] Error 2
> make[1]: Leaving directory
> `/tlccs2a/home/briggs/jebalunode/src/NAMD_2.5_Source/charm/mpi-linux-ia64-ecc/tmp'
> make: *** [charm++] Error 2
>
> On Wednesday 31 December 2003 01:25 pm, Gengbin Zheng wrote:
> > I don't have access to Intel C++ compilers v8.0 on IA64. Could you copy me
> > the compile error messages?
> >
> > Gengbin
> >
> > On Wed, 31 Dec 2003, Jerry Ebalunode wrote:
> > > Hi,
> > > I would like to know if Charm++ and then NAMD can be built using the new
> > > intel C++ compiler version 8.0 on an IA64 arch. I already tried this on
> > > the charm++ source code that was provided along with the namd ver2.5.,
> > > with no succes in compling charm++ for mpi-linux-ia64.
> > >
> > > On Wednesday 31 December 2003 11:59 am, Gengbin Zheng wrote:
> > > > Oops, forgot to mention, you need to recompile Linux version of NAMD
> > > > from scratch also. The pre-compiled version is not compatiable with the
> > > > latest CVS version due to my recent changes in structure layout. Also,
> > > > the pre-compiled version is built with Intel C++ compiler which I have
> > > > not tested the compatibility with Win32 VC++ yet. So I would suggest
> > > > going with gcc on Linux before I tested it with Intel C++.
> > > >
> > > > Since I don't know which verison of Linux you are running, I don't know
> > > > how to make pre-compiled binary for you. But compiling for Linux is
> > > > fairely easy, check out:
> > > > http://www.ks.uiuc.edu/Research/namd/development.html
> > > > Please download both Charm++ and NAMD source from the two different CVS
> > > > servers.
> > > >
> > > > I myself rarely use tcl and plugins features (being a mostly Charm++
> > > > developer). Based on my limited knowledge, tcl is used to enable
> > > > scripting features (so you can write tcl scripts in config file), and
> > > > plugins tools are from VMD's Plugins to enable trajectory analysis. The
> > > > NAMD user manual should have more detailed information.
> > > >
> > > > Gengbin
> > > >
> > > > On Wed, 31 Dec 2003, Gadi Oron wrote:
> > > > > On Wed, 2003-12-31 at 02:05, Gengbin Zheng wrote:
> > > > > > Hi,
> > > > > >
> > > > > >  Please find the NAMD binary compiled with Windows VC++ 6.0 at:
> > > > > >  http://www.ks.uiuc.edu/~gzheng/NAMD_Win32-i686.zip
> > > > >
> > > > > Thank you, but still no luck...
> > > > > I manage to start NAMD alone on a Win2K node and on Linux node,
> > > > > so probably my nodelist is Ok. But together I get either:
> > > > >
> > > > > Info: SUMMARY OF PARAMETERS:
> > > > > Info: 180 BONDS
> > > > > Info: 442 ANGLES
> > > > > Info: 534 DIHEDRAL
> > > > > Info: 50 IMPROPER
> > > > > Info: 91 VDW
> > > > > Info: 0 VDW_PAIRS
> > > > > Charmrun: error on request socket--
> > > > > Error on socket recv!
> > > > >
> > > > > when the Linux box is first in the nodelist and:
> > > > >
> > > > > Charmrun> node programs all connected
> > > > > ------------- Processor 1 Exiting: Caught Signal ------------
> > > > > Signal: segmentation violation
> > > > > Suggestion: Try running with '++debug', or linking with '-memory
> > > > > paranoid'.
> > > > > Fatal error on PE 1> segmentation violation
> > > > >
> > > > > when the order is inverted.
> > > > >
> > > > > I am using charmd compiled from the last source and NAMD 2.5 from
> > > > > the pre-compiled binaries for linux and your Windows executables.
> > > > >
> > > > > Any idea?
> > > > >
> > > > > Best regards.
> > > > >
> > > > > P.S. It is not really explained what "plugins" and "tcl" libraries
> > > > > are needed for... Could you give me a hint on that?
> > > > > --
> > > > > ================= Gadi ORON, PhD -o- Proteologics
> > > > > ====================== ========== gadi/at/proteologics.com ==========
> > > > > +972 8 9475666 ========== The questions remain the same.  The answers
> > > > > are eternally variable.
> > >
> > > --
> > > Cheers,
> > >
> > > Jerry Ebalunode
> > > Graduate Research Assistant
> > > RM 402F Houston Science Center
> > > Phone: 713-743-8367
> > > Dept. of Biology and Biochemistry
> > > University of Houston.
> > > 4800 Calhoun Road
> > > Houston, TX 77204
>
> --
> Cheers,
>
> Jerry Ebalunode
> Graduate Research Assistant
> RM 402F Houston Science Center
> Phone: 713-743-8367
> Dept. of Biology and Biochemistry
> University of Houston.
> 4800 Calhoun Road
> Houston, TX 77204
>



From owner-namd-l@rama.ks.uiuc.edu Fri Jan  2 17:46:00 2004
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Date: Fri, 02 Jan 2004 17:45:50 -0600
From: Hyonseok Hwang <danggi@northwestern.edu>
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Subject: namd-l: question on the coordinates of hydrogen atoms
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Hellow,

Now I have PDB file which include all the atoms' coordiates even 
hydrogen atoms' coordinates. As a result, I don't want use 'guesscoord' 
command when I make a NAMD PDB file and 'PSF' file. But, if I don't use 
the command, the coordinates of hydrogen atoms are just missing in the 
NAMD PDB file.

So my question is whether or not there is a way to keep the original 
coordiates of hydrogen atoms when we make a NAMD PDB file.

Thanks a lot!

-Hyonseok


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Date: Sat, 03 Jan 2004 19:18:48 +0800
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Subject: namd-l: different result when I run the same *.conf file many times.
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Dear sir,
  I want to do MD for an enzyme-ligand system to study the coordinate number of
zinc ion of the enzyme. However I find I get different result when I run the same
*.conf file many times. Some results are in good agreement with experimental X-ray
data, and some are not. I am so surprised with it. Would you like to tell me
what's wrong with it?  Thank you!



From owner-namd-l@rama.ks.uiuc.edu Sat Jan  3 21:44:13 2004
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Date: Sat, 3 Jan 2004 19:44:05 -0800 (PST)
From: Juan Alfredo Freites <jfreites@ea.nacs.uci.edu>
To: namd-l@ks.uiuc.edu
Subject: namd-l: flexible cell
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Hello,

I sent this message over the holidays, so I thought that I could post it 
again now when there are more folks around.

Thanks.

Hello,

I'm doing a simulation using a flexible cell and constant surface tension. 
I keep getting this message:

FATAL ERROR: Periodic cell has become too small for original patch grid!
Possible solutions are to restart from a recent checkpoint,
increase margin, or disable useFlexibleCell for liquid simulation.

What I have done is restart the simulation every time I get the error, the 
simulation runs for over 100K steps and it gives me the error again.

I thought about giving a non zero margin but there are not details in the 
manual as to which should be the magnitude of it.

Any thoughts?

thanks.


-- 
J. Alfredo Freites
Department of Physics
University of California, Irvine
Irvine, CA 92697-4575
(949) 824-9921


From owner-namd-l@rama.ks.uiuc.edu Sat Jan  3 22:01:52 2004
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Date: Sat, 3 Jan 2004 20:01:45 -0800 (PST)
From: Ioana Cozmuta <ioana@nas.nasa.gov>
To: namd-l@ks.uiuc.edu
Subject: namd-l: SMD force
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Hi,

Happy New Year to everybody and lots of successful simulations with NAMD
in 2004!

I have a short question related to SMD output. The manual says that at
every SMD step the program writes out
1. the current timestep,
2. the current position of the center of mass of the restrained atoms and
3. the current force applied to the center of mass (pN).

It is not clear to me what exactly does "current force applied to the
center of mass" means:
a. force due to dragging of the atoms with velocity v via a harmonical
constraint k
b. force due to the interaction with the surroundings
c. both dragging force and interaction with the surroundings

I want to use the information in the output to calculate only the
component due to the interaction between the restrained atoms and the
surroundings.

Thanks in advance for your answer,
Ioana

From owner-namd-l@rama.ks.uiuc.edu Sun Jan  4 16:23:31 2004
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Date: Sun, 4 Jan 2004 16:23:27 -0600 (CST)
From: Gengbin Zheng <gzheng@ks.uiuc.edu>
To: Gadi Oron <gadi@proteologics.com>
cc: namd-l@ks.uiuc.edu, <ppl@cs.uiuc.edu>
Subject: Re: namd-l: Charm++ nodelist commands
In-Reply-To: <1073220303.17244.18.camel@pooh.proteologics.com>
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On Sun, 4 Jan 2004, Gadi Oron wrote:

> Hello again...
>
> On Fri, 2004-01-02 at 20:09, Gengbin Zheng wrote:
> > > > > Another question: is it possible to set process priority (nice
level)
> > > > > for NAMD node programs?
> > > > >
> > > >
> > > >  No. It can be implemented but not for windows I guess.
> > > >
> >
> > You can now. This has been implemented in Charm++ CVS server.
> > It is only for non windows versions.
>
> Thank you very much, this option is very helpful!
>
> I believe though that with Cygwin the your implementation should be
> functional. (The nice command exists).
>

ok, Windows version of setting process priority (using SetPriorityClass
Win32 call) is also implemented. It should work for both Cygwin(gcc) and
pure windows(visual c++) binary.

Since windows does not support numeric nice level - it only
has these 6 levels (from high to low), I had to do a mapping from +nice
parameter value to the win priority levels:

REALTIME_PRIORITY_CLASS                    <= -20
HIGH_PRIORITY_CLASS                        -20 - -10
ABOVE_NORMAL_PRIORITY_CLASS                -10 - 0
NORMAL_PRIORITY_CLASS                      0
BELOW_NORMAL_PRIORITY_CLASS                0 - 10
IDLE_PRIORITY_CLASS                        > 10

Note that not every Windows supports ABOVE_NORMAL_PRIORITY_CLASS and
BELOW_NORMAL_PRIORITY_CLASS for example win95/ME. So when not supported,
the value will be overtaken by corresponding IDLE_PRIORITY_CLASS or
HIGH_PRIORITY_CLASS.
Again, you may need administrator privilege to set high priorities.

Same as explained in previous email, to set priority nice level, you can:
1. ./charmrun +p4 ./pgm +nice -5
   to set nice level to -5 (higher priority) for all 4 node processes.
   This works for *all* charm/NAMD version now.
2. put ++nice  in a nodelist file:
group main
host host-1  ++nice 2
host host-2  ++nice -2
   This only works for net-* version when nodelist is read.

My test shows that setting very high priority under windows do have
noticeable good impact in the execution time.

The latest NAMD win32/VC++ binary for testing is now at:

http://www.ks.uiuc.edu/~gzheng/NAMD_Win32-i686.zip

It is compiled with Charm++/net-win32 with -O -DCMK_OPTIMIZE
and NAMD/Win32-i686-MSVC with tcl and plugins libraries.

The VC++ I was using to compile the binary donot have
BELOW_NORMAL_PRIORITY_CLASS and ABOVE_NORMAL_PRIORITY_CLASS defined, so
these two priorities are not supported in this binary.

(for cross linux/windows clusters usage, please note that you need exact
same charm++ source code from cvs, also with exact *Charm++ defined
macros* - that is with or without -DCMK_OPTIMIZE, binaries with
CMK_OPTIMIZE is not compatible with the one compiled without the flag
when running cross the platforms.)

Gengbin






From owner-namd-l@rama.ks.uiuc.edu Sun Jan  4 18:09:59 2004
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Date: Mon, 05 Jan 2004 10:55:15 +1100
From: David Chalmers <david.chalmers@vcp.monash.edu.au>
Subject: namd-l: NAMD for Opteron?
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Dear NAMD Developers,

A couple of quick questions. Do you have a version of NAMD for
Opteron/Linux?  Do you expect that NAMD will benefit from being compiled
for 64 bit CPUs?

Regards,

David

_____________________________________________________________________________

David Chalmers						       Lab: 9903 9110
Victorian College of Pharmacy				       Fax: 9903 9582
381 Royal Pde, Parkville, Vic 3053
Australia			  	     David.Chalmers@vcp.monash.edu.au
_____________________________________________________________________________


From owner-namd-l@rama.ks.uiuc.edu Sun Jan  4 18:32:24 2004
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Date: Sun, 4 Jan 2004 18:32:21 -0600 (CST)
From: Gengbin Zheng <gzheng@ks.uiuc.edu>
To: David Chalmers <david.chalmers@vcp.monash.edu.au>
cc: namd-l@ks.uiuc.edu
Subject: Re: namd-l: NAMD for Opteron?
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Hi,

Yes, you can build charm++/namd2 on Opteron:

compile charm++ with opteron build options:
./build charm++ net-linux opteron -O -DCMK_OPTIMIZE

and build namd2 with:
config ... Linux-amd64-g++

We don't have Opteron machine in our lab, but I heard from other people
using it. My impression is that compiling with 64 bits did not improve the
performance, it may be even a little bit slower.

Gengbin

On Mon, 5 Jan 2004, David Chalmers wrote:

> Dear NAMD Developers,
>
> A couple of quick questions. Do you have a version of NAMD for
> Opteron/Linux?  Do you expect that NAMD will benefit from being compiled
> for 64 bit CPUs?
>
> Regards,
>
> David
>
> _____________________________________________________________________________
>
> David Chalmers						       Lab: 9903 9110
> Victorian College of Pharmacy				       Fax: 9903 9582
> 381 Royal Pde, Parkville, Vic 3053
> Australia			  	     David.Chalmers@vcp.monash.edu.au
> _____________________________________________________________________________
>



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Subject: namd-l: Warning: 8 margin violations
Date: Mon, 05 Jan 2004 10:05:25 CST 0008
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From owner-namd-l@rama.ks.uiuc.edu Sun Jan  4 23:18:45 2004
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From: Gengbin Zheng <gzheng@ks.uiuc.edu>
To: Gadi Oron <gadi@proteologics.com>
cc: namd-l@ks.uiuc.edu
Subject: Re: namd-l: Charm++ nodelist commands
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Hi,

 Please find the charm++ and NAMD source files I used to compile the
Windows binary at:
http://www.ks.uiuc.edu/~gzheng/charm.tgz
http://www.ks.uiuc.edu/~gzheng/namd2.tgz (same as in the cvs version today)

 Use this same source for Linux, and please don't download from the
Charm++ cvs server. Build charm++ for Linux with this command line:
 ./build charm++ net-linux -O -DCMK_OPTIMIZE

 Keep in mind that the code in cvs server is changing every day recently
for a major Charm++ release soon coming in about a month. I can not
guarantee the cross platform compatibility to my previous namd2/win32
binary for arbitary cvs snapshot. So I figure it is better to give you the
snapshot I used for my testing.

 The tcl and plugins are optional. You don't have to compile with them
if you don't need them. Fftw, however, is often found essential.

Gengbin

On Sun, 4 Jan 2004, Gengbin Zheng wrote:

>
> On Sun, 4 Jan 2004, Gadi Oron wrote:
>
> > Hello again...
> >
> > On Fri, 2004-01-02 at 20:09, Gengbin Zheng wrote:
> > > > > > Another question: is it possible to set process priority (nice
> level)
> > > > > > for NAMD node programs?
> > > > > >
> > > > >
> > > > >  No. It can be implemented but not for windows I guess.
> > > > >
> > >
> > > You can now. This has been implemented in Charm++ CVS server.
> > > It is only for non windows versions.
> >
> > Thank you very much, this option is very helpful!
> >
> > I believe though that with Cygwin the your implementation should be
> > functional. (The nice command exists).
> >
>
> ok, Windows version of setting process priority (using SetPriorityClass
> Win32 call) is also implemented. It should work for both Cygwin(gcc) and
> pure windows(visual c++) binary.
>
> Since windows does not support numeric nice level - it only
> has these 6 levels (from high to low), I had to do a mapping from +nice
> parameter value to the win priority levels:
>
> REALTIME_PRIORITY_CLASS                    <= -20
> HIGH_PRIORITY_CLASS                        -20 - -10
> ABOVE_NORMAL_PRIORITY_CLASS                -10 - 0
> NORMAL_PRIORITY_CLASS                      0
> BELOW_NORMAL_PRIORITY_CLASS                0 - 10
> IDLE_PRIORITY_CLASS                        > 10
>
> Note that not every Windows supports ABOVE_NORMAL_PRIORITY_CLASS and
> BELOW_NORMAL_PRIORITY_CLASS for example win95/ME. So when not supported,
> the value will be overtaken by corresponding IDLE_PRIORITY_CLASS or
> HIGH_PRIORITY_CLASS.
> Again, you may need administrator privilege to set high priorities.
>
> Same as explained in previous email, to set priority nice level, you can:
> 1. ./charmrun +p4 ./pgm +nice -5
>    to set nice level to -5 (higher priority) for all 4 node processes.
>    This works for *all* charm/NAMD version now.
> 2. put ++nice  in a nodelist file:
> group main
> host host-1  ++nice 2
> host host-2  ++nice -2
>    This only works for net-* version when nodelist is read.
>
> My test shows that setting very high priority under windows do have
> noticeable good impact in the execution time.
>
> The latest NAMD win32/VC++ binary for testing is now at:
>
> http://www.ks.uiuc.edu/~gzheng/NAMD_Win32-i686.zip
>
> It is compiled with Charm++/net-win32 with -O -DCMK_OPTIMIZE
> and NAMD/Win32-i686-MSVC with tcl and plugins libraries.
>
> The VC++ I was using to compile the binary donot have
> BELOW_NORMAL_PRIORITY_CLASS and ABOVE_NORMAL_PRIORITY_CLASS defined, so
> these two priorities are not supported in this binary.
>
> (for cross linux/windows clusters usage, please note that you need exact
> same charm++ source code from cvs, also with exact *Charm++ defined
> macros* - that is with or without -DCMK_OPTIMIZE, binaries with
> CMK_OPTIMIZE is not compatible with the one compiled without the flag
> when running cross the platforms.)
>
> Gengbin
>
>
>
>
>

Gengbin Zheng
============
(217)244-3667 (o)
gzheng@uiuc.edu
zhenggb@acm.org
http://www.ks.uiuc.edu/~gzheng/personal.html


From owner-namd-l@rama.ks.uiuc.edu Mon Jan  5 00:31:24 2004
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Date: Mon, 05 Jan 2004 01:37:05 -0500
From: AMIT PALIWAL <paliwal@jhu.edu>
Subject: namd-l: alchemical free energy perturbation
To: namd-l@ks.uiuc.edu
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Hi,
I want to calculate the free energy change of growing a 3.0 ang. radius LJ particle in water. I tried dual-topolgy method outlined in tutorial on NAMD site but did not give expected free energy values. Is there any way to 'grow/shrink' rather than going from lambda=0 (nothing) to lambda =1 (full partcle)? Are they the same? I have also attached the config file, part of the fep file (system.fep). The system is a LJ particle with 1000 water molecules.
thanks,
Amit.
PS: CMT is the atom type of the LJ particle that I have defined. 

 
 


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From owner-namd-l@rama.ks.uiuc.edu Mon Jan  5 10:40:30 2004
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From: =?iso-8859-1?q?J=E9r=F4me=20H=E9nin?= <jerome.henin@uhp-nancy.fr> (by way of =?iso-8859-1?q?J=E9r=F4me=20H=E9nin?= <jerome.henin@uhp-nancy.fr>)
Subject: Re: namd-l: alchemical free energy perturbation
Date: Mon, 5 Jan 2004 16:10:52 +0100
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Hi,

In your case, it will probably be easier to make the particle vanish than to
make it appear, because when you simulate at lambda=0, the particle may
overlap with water. To make it grow or shrink would require using the "single
topology" method, wich is not supported by the FEP code in NAMD. However,
there is no good reason why the dual-topology version should fail to describe
your transformation.

In your script, the following line :
while {$step <= 1.00} {

should be :
while {$step < 1.00} {

so that the last lambda window is [0.99, 1.0] and not [1.0, 1.01].

I checked the alchemical FEP tutorial : it contains the same error. I suppose
you took it from there - sorry about that. I'm going to correct it as soon as
possible.

About the accuracy of your results, you should monitor the convergence of dG
(the last column of the FEP output) in every window. 6400 fs is rather short,
especially if half of it is not used for statistics. If the convergence is
not reached, increase the sampling time (it may be wise to use larger times
only for certain slow-converging windows). With a system as simple as yours,
however, you shouldn't need a huge amount of sampling to obtain good results.

Jerome

> Hi,
> I want to calculate the free energy change of growing a 3.0 ang. radius LJ
> particle in water. I tried dual-topolgy method outlined in tutorial on NAMD
> site but did not give expected free energy values. Is there any way to
> 'grow/shrink' rather than going from lambda=0 (nothing) to lambda =1 (full
> partcle)? Are they the same? I have also attached the config file, part of
> the fep file (system.fep). The system is a LJ particle with 1000 water
> molecules. thanks,
> Amit.
> PS: CMT is the atom type of the LJ particle that I have defined.

--
Jérôme Hénin
Equipe Dynamique des Assemblages Membranaires
Université Henri Poincaré / CNRS    UMR 7565
B.P. 239	54506 Vandoeuvre-lès-Nancy Cedex
Tel : (33) 3 83 68 43 95	Fax : (33) 3 83 68 43 71
http://www.edam.uhp-nancy.fr/


From owner-namd-l@rama.ks.uiuc.edu Mon Jan  5 13:36:22 2004
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Date: Mon, 5 Jan 2004 11:36:16 -0800 (PST)
From: Ioana Cozmuta <ioana@nas.nasa.gov>
To: namd-l@ks.uiuc.edu
Subject: namd-l: SMD force (fwd)
Message-ID: <Pine.GSO.4.58.0401051135230.13856@marcy.nas.nasa.gov>
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Hi folks,

I sent out this weekend an e-mail but perhaps got lost so I decided to
forward it again. If anyone knows the right answer and could give me a
hand I would appreciate that.

Thanks a lot,
Ioana

---------- Forwarded message ----------
Date: Sat, 3 Jan 2004 20:01:45 -0800 (PST)
From: Ioana Cozmuta <ioana@marcy.nas.nasa.gov>
To: namd-l@ks.uiuc.edu
Subject: SMD force

Hi,

Happy New Year to everybody and lots of successful simulations with NAMD
in 2004!

I have a short question related to SMD output. The manual says that at
every SMD step the program writes out
1. the current timestep,
2. the current position of the center of mass of the restrained atoms and
3. the current force applied to the center of mass (pN).

It is not clear to me what exactly does "current force applied to the
center of mass" means:
a. force due to dragging of the atoms with velocity v via a harmonical
constraint k
b. force due to the interaction with the surroundings
c. both dragging force and interaction with the surroundings

I want to use the information in the output to calculate only the
component due to the interaction between the restrained atoms and the
surroundings.

Thanks in advance for your answer,
Ioana

From owner-namd-l@rama.ks.uiuc.edu Mon Jan  5 15:01:39 2004
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Subject: namd-l: Potential Terms
From: AHMET BAKAN <ABAKAN@KU.EDU.TR>
To: namd-l@ks.uiuc.edu
Date: Mon, 05 Jan 2004 20:20:02 +0200
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Hi All,
I have attached terms of a second generation force field potential calculat=
ion. CHARMM includes some of those terms, so NAMD does. I do not know abo=
ut architecture of NAMD, and wanna ask if it is simple to expand potentia=
l terms of NAMD in order to use a second generation force field? It is pl=
easure to have any comments, thanks.
Ahmet
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3DABC=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D
Ahmet BAKAN
Chemistry, Junior
Koc University
abakan@ku.edu.tr
ICQ #86167698
http://home.ku.edu.tr/~abakan

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--------=_ModWebBOUNDARY_ce10bc80_1073326802--


From owner-namd-l@rama.ks.uiuc.edu Mon Jan  5 23:45:34 2004
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To: namd-l@ks.uiuc.edu
Date: Tue, 06 Jan 2004 13:45:18 +0800
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Subject: namd-l: how to get "the rms force and maximum force" of energy minimization ?
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Dear sir,
  Whether has someone know how to get "the rms force and maximum force" of energy
minimization in the output file with NAMD program? 
  Whether are "INITIAL STEP and GRADIENT TOLERANCE" relevant to the above
concept?

  Thank you for your information!



From owner-namd-l@rama.ks.uiuc.edu Tue Jan  6 14:40:06 2004
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From: "zhilei chen" <zchen4@uiuc.edu>
To: <namd-l@ks.uiuc.edu>
Subject: namd-l: interaction energy
Date: Tue, 6 Jan 2004 13:26:47 -0600
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Dear NAMD users,
 
Sorry this might be a silly question;(
 
I want to calculate the interaction energy between two residues. I used
pairInteraction command in NAMD on the dcd file, and I got the VMD_FORCE
and ELECT_FORCE, in the unit of kcal/mol/A. I am not sure how to convert
this force into energy. Shall I just multiply the force by the distance
between these two residues? Because each residues compose of multiple
atoms, I don't know what distance I shall use.
 
Thanks
 
Zhilei

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META HTTP-EQUIV=3D"Content-Type" CONTENT=3D"text/html; =
charset=3Dus-ascii">
<TITLE>Message</TITLE>

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<BODY>
<DIV><FONT face=3DArial size=3D2><SPAN class=3D136152219-06012004>Dear =
NAMD=20
users,</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D136152219-06012004></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2><SPAN class=3D136152219-06012004>Sorry =
this might be=20
a silly question;(</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D136152219-06012004></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2><SPAN class=3D136152219-06012004>I want =
to calculate=20
the interaction energy between two residues. I used pairInteraction =
command in=20
NAMD on the dcd file, and I got the VMD_FORCE and ELECT_FORCE, in the =
unit of=20
kcal/mol/A. I am not sure how to convert this force into energy. Shall I =
just=20
multiply the force by the distance between these two residues? Because =
each=20
residues compose of multiple atoms, I don't&nbsp;know what distance I =
shall=20
use.</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D136152219-06012004></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D136152219-06012004>Thanks</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D136152219-06012004></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D136152219-06012004>Zhilei</SPAN></FONT></DIV></BODY></HTML>

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From owner-namd-l@rama.ks.uiuc.edu Tue Jan  6 17:15:00 2004
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Date: Tue, 06 Jan 2004 17:14:56 -0600
From: Fangqiang Zhu <fzhu@ks.uiuc.edu>
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Hi,


> It is not clear to me what exactly does "current force applied to the
> center of mass" means:
> a. force due to dragging of the atoms with velocity v via a harmonical
> constraint k
> b. force due to the interaction with the surroundings
> c. both dragging force and interaction with the surroundings

The answer is a.


> I want to use the information in the output to calculate only the
> component due to the interaction between the restrained atoms and the
> surroundings.

Currently the only way to get the force on an atom arising from other
atoms (in your word, the surroundings) in the simulation is to use the Tcl
command "loadtotalforces". Please read the manual carefully for its
usage.

Zhu



From owner-namd-l@rama.ks.uiuc.edu Tue Jan  6 18:25:28 2004
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Date: Tue, 6 Jan 2004 16:25:20 -0800 (PST)
From: Ioana Cozmuta <ioana@nas.nasa.gov>
To: Fangqiang Zhu <fzhu@ks.uiuc.edu>
cc: namd-l@ks.uiuc.edu
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Hi,

Thank you for your reply.

On Tue, 6 Jan 2004, Fangqiang Zhu wrote:

> > It is not clear to me what exactly does "current force applied to the
> > center of mass" means:
> > a. force due to dragging of the atoms with velocity v via a harmonical
> > constraint k
> > b. force due to the interaction with the surroundings
> > c. both dragging force and interaction with the surroundings
>
> The answer is a.
>
> > I want to use the information in the output to calculate only the
> > component due to the interaction between the restrained atoms and the
> > surroundings.
>
> Currently the only way to get the force on an atom arising from other
> atoms (in your word, the surroundings) in the simulation is to use the Tcl
> command "loadtotalforces". Please read the manual carefully for its
> usage.
>


I have the information in SMD
SMD time position (r_cm) force (F_drag)
This means that I can calculate the interaction force two ways:

1. from Newton's EOM:
F_interaction = m*a-F_drag (where a can be approximated from every three
values of the r_cm in the SMD output)

2. From the pairInteraction module in NAMD as sum of vdw and electrostatic
components
F_interaction = F_vdw+F_electrostatic

So in principle no matter if I use 1 or 2 I should get aprox the same
value. Did anyone get to check this equality?

Thanks,
Ioana

From owner-namd-l@rama.ks.uiuc.edu Tue Jan  6 22:14:23 2004
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Date: Tue, 06 Jan 2004 23:20:10 -0500
From: AMIT PALIWAL <paliwal@jhu.edu>
Subject: namd-l: total energy stuck between two levels
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Hi everyone,
I have had this problem with the new namd version 2.5. Whenever I simulate peptide in water- first minimize the system and then start the production run- in the production run, the total energy oscillates beween two levels very far apart. I can not understand why?? Minimization seems to be perfectly fine. There was a suggestion to use separate thermostats for peptide and water. if this is the problem then how do you go about doing this? 
thanks,
Amit.


From owner-namd-l@rama.ks.uiuc.edu Wed Jan  7 02:33:38 2004
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Hi Amit,

Are you using multiple timestepping? If yes, you should output energies with a 
period that is a multiple of the slowest timestep (normally 
fullElectFrequency). Otherwise, you may get incorrect energies.

I don't think this is explained in the NAMD manual, but maybe it should.

Jerome

> Hi everyone,
> I have had this problem with the new namd version 2.5. Whenever I simulate
> peptide in water- first minimize the system and then start the production
> run- in the production run, the total energy oscillates beween two levels
> very far apart. I can not understand why?? Minimization seems to be
> perfectly fine. There was a suggestion to use separate thermostats for
> peptide and water. if this is the problem then how do you go about doing
> this? thanks,
> Amit.

-- 
Jérôme Hénin
Equipe Dynamique des Assemblages Membranaires
Université Henri Poincaré / CNRS    UMR 7565
B.P. 239	54506 Vandoeuvre-lès-Nancy Cedex
Tel : (33) 3 83 68 43 95	Fax : (33) 3 83 68 43 71
http://www.edam.uhp-nancy.fr/



From owner-namd-l@rama.ks.uiuc.edu Wed Jan  7 09:22:29 2004
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Date: Wed, 7 Jan 2004 09:22:27 -0600 (CST)
From: Jim Phillips <jim@ks.uiuc.edu>
To: AMIT PALIWAL <paliwal@jhu.edu>
cc: namd-l@ks.uiuc.edu
Subject: Re: namd-l: total energy stuck between two levels
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Hi,

I suspect that your outputEnergies period (e.g., 10) is not a multiple of
your fullElectFrequency period (e.g., 4).  The logic that avoids the extra
math to calculate ELECT energies that the user never sees doesn't
anticipate this, so half of the energy output are missing the long-range
ELECT energy component.  The other energy terms should be OK.

Minimization uses energies directly and therefore always calculates them.

-Jim


On Tue, 6 Jan 2004, AMIT PALIWAL wrote:

> Hi everyone, I have had this problem with the new namd version 2.5.
> Whenever I simulate peptide in water- first minimize the system and then
> start the production run- in the production run, the total energy
> oscillates beween two levels very far apart. I can not understand why??
> Minimization seems to be perfectly fine. There was a suggestion to use
> separate thermostats for peptide and water. if this is the problem then
> how do you go about doing this?  thanks, Amit.
>


From owner-namd-l@rama.ks.uiuc.edu Wed Jan  7 09:45:21 2004
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Date: Wed, 7 Jan 2004 09:45:11 -0600 (CST)
From: Jim Phillips <jim@ks.uiuc.edu>
To: AHMET BAKAN <ABAKAN@KU.EDU.TR>
cc: namd-l@ks.uiuc.edu
Subject: Re: namd-l: Potential Terms
In-Reply-To: <1073326802.ce10bc80ABAKAN@KU.EDU.TR>
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Hi,

It wouldn't be simple, but most of the complication would come from
managing the parameters.  I assume that the cross terms (e.g.,
angle-angle-dihedral) are all local (i.e., part of the same dihedral).

I'll keep this in mind in the design of future versions.  Thanks.

-Jim


On Mon, 5 Jan 2004, AHMET BAKAN wrote:

> Hi All, I have attached terms of a second generation force field
> potential calculation. CHARMM includes some of those terms, so NAMD
> does. I do not know about architecture of NAMD, and wanna ask if it is
> simple to expand potential terms of NAMD in order to use a second
> generation force field? It is pleasure to have any comments, thanks.
> Ahmet ==============ABC============== Ahmet BAKAN Chemistry, Junior Koc
> University abakan@ku.edu.tr ICQ #86167698 http://home.ku.edu.tr/~abakan
>


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Date: Wed, 07 Jan 2004 06:10:03 -0500
From: Amit Paliwal <paliwal@jhu.edu>
Subject: [Fwd: namd-l: total energy stuck between two levels]
To: namd-l@ks.uiuc.edu
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> Thanks Jim and Jerome,
> That was indeed the case ...I will take that into account.
> -Amit.
>
> Jim Phillips wrote:
>
> > Hi,
> >
> > I suspect that your outputEnergies period (e.g., 10) is not a multiple of
> > your fullElectFrequency period (e.g., 4).  The logic that avoids the extra
> > math to calculate ELECT energies that the user never sees doesn't
> > anticipate this, so half of the energy output are missing the long-range
> > ELECT energy component.  The other energy terms should be OK.
> >
> > Minimization uses energies directly and therefore always calculates them.
> >
> > -Jim
> >
> > On Tue, 6 Jan 2004, AMIT PALIWAL wrote:
> >
> > > Hi everyone, I have had this problem with the new namd version 2.5.
> > > Whenever I simulate peptide in water- first minimize the system and then
> > > start the production run- in the production run, the total energy
> > > oscillates beween two levels very far apart. I can not understand why??
> > > Minimization seems to be perfectly fine. There was a suggestion to use
> > > separate thermostats for peptide and water. if this is the problem then
> > > how do you go about doing this?  thanks, Amit.
> > >


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Date: Wed, 07 Jan 2004 09:03:12 -0500
From: Amit Paliwal <paliwal@jhu.edu>
Subject: namd-l: Interaction energy between fixed atoms
To: Jim Phillips <jim@ks.uiuc.edu>
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Hi All,
Just had a small question: How does NAMD handle fixed atoms , lets say in
constant pressure simulation?
Do the energy values include the interaction energy between the pairs of
fixed atoms? Also when 'fixedatomsforces' option is on then does it do more
than just displaying the current forces acting on these atoms?
Sorry if this is too simple a question but  did not quite get it from the
userguide.
thanks,
Amit.


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Subject: Re: namd-l: Charm++ nodelist commands
From: Gadi Oron <gadi@proteologics.com>
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Hi again,

Sorry for the late reply, but I was sick for a couple of days.

On Wed, 2003-12-31 at 19:59, Gengbin Zheng wrote:

> > >  Please find the NAMD binary compiled with Windows VC++ 6.0 at:
> > >  http://www.ks.uiuc.edu/~gzheng/NAMD_Win32-i686.zip

Ok, I've used your Win32 version along with a recompiled linux version
and everything is working just great!

So, on to the next step (distributing NAMD over the entire network and
running charmd as service).

Many thanks.
-- 
================= Gadi ORON, PhD -o- Proteologics ======================
========== gadi/at/proteologics.com ========== +972 8 9475666 ==========
Some men rob you with a six-gun -- others with a fountain pen.
		-- Woodie Guthrie


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Is there any limit on the number of residues in each segment, when using
"psfgen" to generate a psf file? Thanks.

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Subject: namd-l: RATTLE Alg
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I know we can apply RATTLE algorithm to bonds between hydrogen and its mother
atom in a hydrogen group. But can we apply this algorithm to any bond in the
system, eg. the backbone bonds ?  Thanks.

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From: Brian Bennion <brian@youkai.llnl.gov>
