Difference between revisions of "Talk:Performance"

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(benchmarking scaling)
(Scaling)
Line 4: Line 4:
 
== Scaling ==
 
== Scaling ==
 
Use updated [[calc_testjobs_linux.sh]]
 
Use updated [[calc_testjobs_linux.sh]]
 +
DATA=scaling.xvg
 +
echo -e "# scaling for Hippo\n# numthreads walltime/s" > $DATA
 
  for NSLOTS in `seq 8`; do  
 
  for NSLOTS in `seq 8`; do  
 
   echo "-- NSLOTS = $NSLOTS";  
 
   echo "-- NSLOTS = $NSLOTS";  
 
   ../../calc_testjobs_linux.sh -n $NSLOTS  walp_octane_NPT_sp_MD \
 
   ../../calc_testjobs_linux.sh -n $NSLOTS  walp_octane_NPT_sp_MD \
     | awk '/BENCHMARK/ {print $3, $4}' >> scaling.dat;  
+
     | awk '/BENCHMARK/ {print $3, $4}' >> $DATA;  
 
  done
 
  done
 
Note:
 
Note:
 
* only run this on an empty machine: we are using ''wall time'' for timing
 
* only run this on an empty machine: we are using ''wall time'' for timing

Revision as of 13:41, 7 December 2008

Integration with tests

We could write a script that does the benchmark while running the test. It would even be possible to automatically post it (with the user's consent, of course). — Oli 16:03, 14 November 2008 (UTC)

Scaling

Use updated calc_testjobs_linux.sh

DATA=scaling.xvg
echo -e "# scaling for Hippo\n# numthreads walltime/s" > $DATA
for NSLOTS in `seq 8`; do 
  echo "-- NSLOTS = $NSLOTS"; 
  ../../calc_testjobs_linux.sh -n $NSLOTS  walp_octane_NPT_sp_MD \
    | awk '/BENCHMARK/ {print $3, $4}' >> $DATA; 
done

Note:

  • only run this on an empty machine: we are using wall time for timing