Page History
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Major histograms
Results
t point | time point mathincrement | point description | time for rank 0/1 | rank 0/80 | rank 30/80 | rank 60/80 | 0 | 0-0 previous evt||||
---|---|---|---|---|---|---|---|---|---|---|---|
time per evt total, between det.calib | 115.4±3.9 ms | 335 ±16 ms | 307±14 ms | 398 ±32 ms | 1 | 1-0 | det.raw | 0.8±0.2 ms | 4.0 ±0.6 ms | 3.2±0.4 ms | 3.5 ±0.8 ms |
2 | 2-1 | det.pedestals | 15±3 μs | 36 ±10 μs | 31±6 μs | 39 ±17 μs | |||||
3... | 3-2 | det.gain,offset | 15±2 μs | 27 ±4 μs | 26±4 μs | 27 ±6 μs | |||||
4 | ... | cmpars | 25±1 μs | 50 ±7 μs | 58±26 μs | 71 ±33 μs | |||||
5 | gfac | 2±0 μs | 6 ±1 μs | 7±1 μs | 7 ±2 μs | ||||||
6 | gr0,1,2 | 1.3±0.2 ms | 10.5 ±1.1 ms | 7.0±0.9 ms | 9.7 ±1.6 ms | ||||||
7 | make arrf | 1.76±0.05 ms | 9.2 ±0.9 ms | 6.3±0.7 ms | 9.0 ±1.5 ms | ||||||
8 | subtract peds | 93.7±3.1 ms | 191 ±11 ms | 181±15 ms | 259 ±26 ms | ||||||
9 | eval gain factor for gain ranges | 4.9±0.6 ms | 20.3 ±1.5 ms | 14.6±1.2 ms | 17.3 ±2.0 ms | ||||||
10 | eval offset for gain ranges | 6.2±0.4 ms | 18.5 ±1.3 ms | 18.4±1.4 ms | 19.2 ±2.1 ms | ||||||
11 | subtract offset | 1.0±0.2 ms | 6.0 ±0.7 ms | 5.3±0.6 ms | 6.2 ±1.2 ms | ||||||
12 | get mask | 3±2 μs | 6 ±2 μs | 6±2 μs | 7 ±2 μs | ||||||
13 | common mode turned off | 7±1 μs | 15 ±2 μs | 17±2 μs | 20 ±3 μs | ||||||
14 | apply gain factor and mask | 4.0±0.7 ms | 14.9 ±2.0 ms | 13.9±1.6 ms | 19.2 ±3.5 ms | ||||||
99 | 14-0 | evt processing time, inside det.calib | 109.8±4.2 ms | 276 ±15 ms | 247±13 ms | 345 ±29 ms | |||||
0 | 0-0 previous evt | time per evt total, between det.calib | 115.4±3.9 ms | 335 ±16 ms | 307±14 ms | 398 ±32 ms |
Summary
- single core processing is faster than per/core time in 80–core case, factor 2.5-3 FOR ALL OPERATIONS
- in 80-core case: time per core is consistent between cores
- all constants are cashed and access to constants is fast at sub-milisecond level
- common mode correction is turned off, as well as mask?
- most time consuming operation is indexed pedestal subtraction
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