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  • Unlike Jan. 27 measurements below the hyper threading cores didn't seem to help.  Feels like "operator error" on my part?
  • Nodes with 10Gb NICs vs. 1Gb NICs didn't make a significant difference
  • Best configuration seems to be 2 nodes with 64 cores/node.
  • "import psana" times fairly small.  Detector creation times (fetching calibration constants?) larger.

Jan. 27, 2021

Code:

Code Block
from psana import *

dsource = MPIDataSource('exp=cxilu9218:run=237:smd:dir=/cds/drpsrcf/cxi/cxilu921
8/xtc/')
jungfraudet = Detector('jungfrau4M')

smldata = dsource.small_data('/cds/drpsrcf/cxi/cxilu9218/scratch/run237.h5',gath
er_interval=100)

partial_run_sum = None
for nevt,evt in enumerate(dsource.events()):

   calib = jungfraudet.calib(evt)
   if calib is None: continue
   jungfrau_sum = calib.sum()      # number
   smldata.event(jungfrau_sum=jungfrau_sum)

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