New issue
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
reduce compression in rawsim to help premix job speed with minimal change in file size #23846
Conversation
…ange in output size
The code-checks are being triggered in jenkins. |
+code-checks Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-23846/5537 |
A new Pull Request was created by @davidlange6 (David Lange) for master. It involves the following packages: Configuration/EventContent @cmsbuild, @franzoni, @fabiocos, @davidlange6 can you please review it and eventually sign? Thanks. cms-bot commands are listed here |
please test |
The tests are being triggered in jenkins. |
Comparison job queued. |
Comparison is ready Comparison Summary:
|
+operations |
+1 |
This pull request is fully signed and it will be integrated in one of the next master IBs (tests are also fine). This pull request will be automatically merged. |
Backport to 10_2_X of compressionLevel tuning for RAWSIM, PR #23846
Comparing an 8 thread premix job of 500 events, this change reduces CPU time significantly. Thanks to Servesh Muralidharan for identifying this as an optimization.
2555.649u 361.876s 10:24.86 466.9% 0+0k 1499704+1882176io 5169pf+0w
871267564 Jul 19 12:17 step2.root
vs
1755.123u 256.876s 6:37.46 506.2% 0+0k 1500440+3014888io 5167pf+0w
936432715 Jul 19 12:25 step2.root