From: Anirban Ghosh (anirbang_at_cdac.in)
Date: Thu Feb 26 2009 - 03:34:53 CST
Hi ALL,
I am running a CGMD simulation of a system comprising of 45 beads using
NAMD. I am using 16 processors (4 nodes) to run the job. Although no other
jobs are running on this node and CPU usage % is only 10-11%, but still I
am getting the following error messages related to background loads.
Because of this the log files are becoming too large and the run-times are
increasing exponentially.
-----------------------------------------------------------------------------
WRITING EXTENDED SYSTEM TO RESTART FILE AT STEP 1000100000
OPENING COORDINATE DCD FILE
WRITING COORDINATES TO DCD FILE AT STEP 1000100000
WRITING COORDINATES TO RESTART FILE AT STEP 1000100000
FINISHED WRITING RESTART COORDINATES
WRITING VELOCITIES TO RESTART FILE AT STEP 1000100000
FINISHED WRITING RESTART VELOCITIES
LDB: LOAD: AVG 0.00873701 MAX 0.0428593 MSGS: TOTAL 15 MAXC 1 MAXP 15
None
Warning: 1 processors are overloaded due to high background load.
LDB: LOAD: AVG 0.00873701 MAX 0.0428593 MSGS: TOTAL 15 MAXC 1 MAXP 15
Refine
LDB: LOAD: AVG 0.00786597 MAX 0.0348988 MSGS: TOTAL 15 MAXC 1 MAXP 15
None
Warning: 2 processors are overloaded due to high background load.
LDB: LOAD: AVG 0.00786597 MAX 0.031147 MSGS: TOTAL 15 MAXC 1 MAXP 15
Refine
LDB: LOAD: AVG 0.00806749 MAX 0.034482 MSGS: TOTAL 15 MAXC 1 MAXP 15
None
Warning: 2 processors are overloaded due to high background load.
LDB: LOAD: AVG 0.00806749 MAX 0.0327935 MSGS: TOTAL 15 MAXC 1 MAXP 15
Refine
LDB: LOAD: AVG 0.00822078 MAX 0.0371771 MSGS: TOTAL 15 MAXC 1 MAXP 15
None
Warning: 1 processors are overloaded due to high background load.
LDB: LOAD: AVG 0.00822078 MAX 0.0339828 MSGS: TOTAL 15 MAXC 1 MAXP 15
Refine
LDB: LOAD: AVG 0.00878559 MAX 0.0362875 MSGS: TOTAL 15 MAXC 1 MAXP 15
None
-----------------------------------------------------------------------------
How can I solve this problem? Any suggestion is appreciated.
Regards,
-- Anirban Ghosh Grade Based Engineer Bioinformatics Team Scientific & Engineering Computing Group Centre for Development of Advanced Computing Pune, India
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