Changes

From XDSwiki
Jump to navigationJump to search
1,127 bytes added ,  13:16, 21 February 2017
Line 49: Line 49:     
The benchmark was run on a single KNL7210 processor (256 cores) set to quadrant mode and using the MCDRAM as cache. XDS was compiled with the -xMIC-AVX512 option of ifort. This gives
 
The benchmark was run on a single KNL7210 processor (256 cores) set to quadrant mode and using the MCDRAM as cache. XDS was compiled with the -xMIC-AVX512 option of ifort. This gives
  COLSPOT: elapsed wall-clock time      48.3 sec
+
  COLSPOT:         elapsed wall-clock time      48.3 sec
 
  INTEGRATE: total elapsed wall-clock time      61.2 sec
 
  INTEGRATE: total elapsed wall-clock time      61.2 sec
 
when run with MAXIMUM_NUMBER_OF_JOBS=16 and MAXIMUM_NUMBER_OF_PROCESSORS=16. These parameters, as well as the KNL setup could still be optimized.
 
when run with MAXIMUM_NUMBER_OF_JOBS=16 and MAXIMUM_NUMBER_OF_PROCESSORS=16. These parameters, as well as the KNL setup could still be optimized.
 +
 +
Update Feb 21, 2017 using XDS BUILT=20161205
 +
INIT:            elapsed wall-clock time      33.4 sec
 +
COLSPOT:        elapsed wall-clock time      49.3 sec
 +
INTEGRATE: total elapsed wall-clock time      59.8 sec
 +
Now using Dectris' library (v. 20170215) with <code>LIB=/usr/local/lib64/dectris-neggia.so</code>:
 +
INIT:            elapsed wall-clock time      30.4 sec
 +
COLSPOT:        elapsed wall-clock time      40.7 sec
 +
INTEGRATE: total elapsed wall-clock time      52.9 sec
 +
Now additionally running with <code>numactl --preferred=1 xds_par</code> after having modified the forkintegrate script such that it starts mintegrate_par with the same numactl parameters:
 +
INIT.LP:        elapsed wall-clock time      29.8 sec
 +
COLSPOT:        elapsed wall-clock time      40.0 sec
 +
INTEGRATE: total elapsed wall-clock time      51.3 sec
 +
This was running with a 8GB/8GB split MCDRAM. The same run, but with 8 JOBs and 32 PROCESSORS, takes
 +
INIT.LP:        elapsed wall-clock time      25.3 sec
 +
COLSPOT:        elapsed wall-clock time      40.1 sec
 +
INTEGRATE: total elapsed wall-clock time      53.1 sec
    
== Troubleshooting ==
 
== Troubleshooting ==
2,434

edits

Cookies help us deliver our services. By using our services, you agree to our use of cookies.

Navigation menu