[parsec-users] streamcluster workload taking infinite running time

Christian Bienia cbienia at CS.Princeton.EDU
Tue Jun 2 12:07:38 EDT 2009


Hi Muhammad,

 

A deadlock was accidentally introduced in streamcluster with PARSEC 2.0. You
can get the patch to fix it from the PARSEC Wiki:

 

    http://wiki.cs.princeton.edu/index.php/PARSEC

 

- Chris

 

 

From: parsec-users-bounces at lists.cs.princeton.edu
[mailto:parsec-users-bounces at lists.cs.princeton.edu] On Behalf Of Muhammad
abid Mughal
Sent: Tuesday, June 02, 2009 10:43 AM
To: Parsec group
Subject: [parsec-users] streamcluster workload taking infinite running time
when number of threads increased to 4 , even for test input

 


hi Chris,
First of all bundle of thanks for your guidance. 
Please let me ask one more question "why streamcluster workload taking
infinite running time when number of threads increased to 4, even for test
input?"

Here are screen shots

--------------------------------
bash-3.00# parsecmgmt -a run -p streamcluster -c gcc-hooks -n 1
[PARSEC] Benchmarks to run:  streamcluster

[PARSEC] [========== Running benchmark streamcluster ==========]
[PARSEC] Deleting old run directory.
[PARSEC] Setting up run directory.
[PARSEC] No archive for input 'test' available, skipping input setup.
[PARSEC] Running 'time
/soft/parsecsource/parsec-2.0/pkgs/kernels/streamcluster/inst/sparc-solaris.
gcc-hooks/bin/streamcluster 2 5 1 10 10 5 none output.txt 1':
[PARSEC] [---------- Beginning of output ----------]
PARSEC Benchmark Suite Version 2.0
[HOOKS] PARSEC Hooks Version 1.2
[HOOKS] Entering ROI
read 10 points
[HOOKS] Leaving ROI
[HOOKS] Total time spent in ROI: 0.002s
[HOOKS] Terminating

real    0m0.012s
user    0m0.005s
sys     0m0.006s
[PARSEC] [----------    End of output    ----------]
[PARSEC] Done.

-------------------------------------------
bash-3.00# parsecmgmt -a run -p streamcluster -c gcc-hooks -n 2
[PARSEC] Benchmarks to run:  streamcluster

[PARSEC] [========== Running benchmark streamcluster ==========]
[PARSEC] Deleting old run directory.
[PARSEC] Setting up run directory.
[PARSEC] No archive for input 'test' available, skipping input setup.
[PARSEC] Running 'time
/soft/parsecsource/parsec-2.0/pkgs/kernels/streamcluster/inst/sparc-solaris.
gcc-hooks/bin/streamcluster 2 5 1 10 10 5 none output.txt 2':
[PARSEC] [---------- Beginning of output ----------]
PARSEC Benchmark Suite Version 2.0
[HOOKS] PARSEC Hooks Version 1.2
[HOOKS] Entering ROI
read 10 points
[HOOKS] Leaving ROI
[HOOKS] Total time spent in ROI: 0.010s
[HOOKS] Terminating

real    0m0.020s
user    0m0.009s
sys     0m0.010s
[PARSEC] [----------    End of output    ----------]
[PARSEC] Done.

-----------------------------------
bash-3.00# parsecmgmt -a run -p streamcluster -c gcc-hooks -n 4
[PARSEC] Benchmarks to run:  streamcluster

[PARSEC] [========== Running benchmark streamcluster ==========]
[PARSEC] Deleting old run directory.
[PARSEC] Setting up run directory.
[PARSEC] No archive for input 'test' available, skipping input setup.
[PARSEC] Running 'time
/soft/parsecsource/parsec-2.0/pkgs/kernels/streamcluster/inst/sparc-solaris.
gcc-hooks/bin/streamcluster 2 5 1 10 10 5 none output.txt 4':
[PARSEC] [---------- Beginning of output ----------]
PARSEC Benchmark Suite Version 2.0
[HOOKS] PARSEC Hooks Version 1.2
[HOOKS] Entering ROI
read 10 points
^C
bash-3.00#
---------------
  i had to stop workload running using control+c
 May be some type of deadlock?

THANKS IN ADVANCE

BEST REGARDS,
MUHAMMAD ABID

 

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