[20.0] Update the requested memory size in reused blocks

[fwyzard]

PR description:

Update the CachingAllocator requested size in reused blocks.

PR validation:

None.

Backport status:

Backport of #51741.

[fwyzard]

type bugfix

[cmsbuild]

A new Pull Request was created by @fwyzard for CMSSW_20_0_X.

It involves the following packages:

• HeterogeneousCore/AlpakaInterface (heterogeneous)

@cmsbuild, @fwyzard, @makortel can you please review it and eventually sign? Thanks.
@makortel, @rovere this is something you requested to watch as well.
@ftenchini, @mandrenguyen, @sextonkennedy you are the release manager for this.

cms-bot commands are listed here

• Backported from Update the requested memory size in reused blocks #51741

[cmsbuild]

cms-bot internal usage

[fwyzard]

backport #51741

[fwyzard]

please test

[cmsbuild]

+1

Size: This PR adds an extra 24KB to repository
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-1734ca/55489/summary.html
COMMIT: cbab7a7
CMSSW: CMSSW_20_0_X_2026-08-20-2300/el8_amd64_gcc13
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmssw/51742/55489/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

Summary:

• No significant changes to the logs found
• Reco comparison results: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 44
• DQMHistoTests: Total histograms compared: 3248666
• DQMHistoTests: Total failures: 0
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3248648
• DQMHistoTests: Total skipped: 18
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 43 files compared)
• Checked 191 log files, 159 edm output root files, 44 DQM output files
• TriggerResults: no differences found

AMD_MI300X Comparison Summary

There are some workflows for which there are errors in the baseline:
37634.403 step 2
The results for the comparisons for these workflows could be incomplete
This means most likely that the IB is having errors in the relvals.The error does NOT come from this pull request

Summary:

• You potentially removed 71 lines from the logs
• ROOTFileChecks: Some differences in event products or their sizes found
• Reco comparison results: 148 differences found in the comparisons
• DQMHistoTests: Total files compared: 6
• DQMHistoTests: Total histograms compared: 147128
• DQMHistoTests: Total failures: 16351
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 130777
• DQMHistoTests: Total skipped: 0
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 5 files compared)
• Checked 23 log files, 18 edm output root files, 6 DQM output files
• TriggerResults: no differences found

AMD_W7900 Comparison Summary

There are some workflows for which there are errors in the baseline:
37634.404 step 2
The results for the comparisons for these workflows could be incomplete
This means most likely that the IB is having errors in the relvals.The error does NOT come from this pull request

Summary:

• You potentially added 8 lines to the logs
• ROOTFileChecks: Some differences in event products or their sizes found
• Reco comparison results: 163 differences found in the comparisons
• DQMHistoTests: Total files compared: 7
• DQMHistoTests: Total histograms compared: 163207
• DQMHistoTests: Total failures: 16477
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 146730
• DQMHistoTests: Total skipped: 0
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 6 files compared)
• Checked 24 log files, 20 edm output root files, 7 DQM output files
• TriggerResults: no differences found

NVIDIA_H100 Comparison Summary

Summary:

• No significant changes to the logs found
• Reco comparison results: 225 differences found in the comparisons
• DQMHistoTests: Total files compared: 7
• DQMHistoTests: Total histograms compared: 163207
• DQMHistoTests: Total failures: 13002
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 150205
• DQMHistoTests: Total skipped: 0
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 6 files compared)
• Checked 25 log files, 20 edm output root files, 7 DQM output files
• TriggerResults: no differences found

NVIDIA_L4 Comparison Summary

Summary:

• No significant changes to the logs found
• Reco comparison results: 129 differences found in the comparisons
• DQMHistoTests: Total files compared: 7
• DQMHistoTests: Total histograms compared: 163207
• DQMHistoTests: Total failures: 12084
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 151123
• DQMHistoTests: Total skipped: 0
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 6 files compared)
• Checked 25 log files, 20 edm output root files, 7 DQM output files
• TriggerResults: no differences found

NVIDIA_L40S Comparison Summary

Summary:

• No significant changes to the logs found
• Reco comparison results: 175 differences found in the comparisons
• DQMHistoTests: Total files compared: 7
• DQMHistoTests: Total histograms compared: 163207
• DQMHistoTests: Total failures: 12938
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 150269
• DQMHistoTests: Total skipped: 0
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 6 files compared)
• Checked 25 log files, 20 edm output root files, 7 DQM output files
• TriggerResults: no differences found

NVIDIA_T4 Comparison Summary

Summary:

• No significant changes to the logs found
• Reco comparison results: 211 differences found in the comparisons
• DQMHistoTests: Total files compared: 7
• DQMHistoTests: Total histograms compared: 163207
• DQMHistoTests: Total failures: 24272
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 138935
• DQMHistoTests: Total skipped: 0
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 6 files compared)
• Checked 25 log files, 20 edm output root files, 7 DQM output files
• TriggerResults: no differences found