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Summary
Total processing time , (sec, ) of 380*80=30400 events for 1 or 80 cores or 254*120=30480 for 120 cores
number of cores | old algorithm | ←Ratio t1/t80tN | new algorithm v2 | ←Ratio t1/t80tN | new algorithm v2 with loop | ←Ratio t1/t80tN | ||
---|---|---|---|---|---|---|---|---|
1 better start-stop | 1110239.5 | 27.1 | 8425 | 48.0 51.5 | 1 | 8570 | 50.2 57.8 | 1 |
80 | 281 | 1 | 175.41 | 170.6 | 50.2 | |||
Ratio t1/t80 | 39.5 | 48.01 | ||||||
80 - better start-stop time def, times for 3 jobs: average: | 418.3 408.4 401.0 409.2 | 1 157.4 165.1 168.4 163.6 | 1 | 148.6 148.2 147.7 148.2 | ||||
Ratio t1/t80 better start-stop | 27.1 | 51.5 | 57.8 of 80 | |||||
120 times for 3 jobs: average: | 252.3 250.4 266.7 256.5 | 131.2 132.0 132.0 131.7 | 120.4 120.5 121.6 120.8 | |||||
Ratio t1/t120 | 43.3 | 64.0 | 70.9 of 120 |
References
- Scaling behavior of psana1 - Part 1 - det.calib method in multicore processing with mpi
- Scaling behavior of psana1 - Part 2 - test with command perf stat
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