A comparison has been made between Pass7 and Pass8 reconstruction based on a single run (the 2nd run in the Fermi science data). There are three primary findings: timing, recon file size, and memory usage.
P202 GR |
17-35-24 |
|
P300 GR |
20-08-12 |
|
Run |
239559565 |
2008-08-04 16:19:24 UTC |
#Evts |
2,010,995 |
Spreadsheet of job execution details:
https://docs.google.com/spreadsheet/ccc?key=0AveNVqKMtmVEdHJfbUNLMGs0S0NBcV9iaVhvMl9mdHc&usp=sharing
P202 (events/s) |
P300 (events/s) |
P202\:P300 ratio |
---|---|---|
6.71 |
2.45 |
2.74 |
P202 (kB/event) |
P300 (kB/event) |
P300\:P202 |
---|---|---|
14.67 |
37.27 |
2.54 |
Also see spreadsheet for exact numerology.
Max memory reported by LSF
P202 (MB) |
P300 (MB) |
---|---|
1800 (after 100,000 evts) |
1730 (after 20,000 evts – but with memory leak) |
Notes:
terminate called after throwing an instance of 'std::bad_alloc' what(): St9bad_alloc sh: line 1: 25973 Aborted Gleam |