Build C++ interface for torch extensions

[smuzaffar]

Enable C++ interface for torch extension packages ( i.e. torch-scatter, torch-cluster and torch-sparse).

[smuzaffar]

please test

[cmsbuild]

A new Pull Request was created by @smuzaffar for branch IB/CMSSW_17_0_X/master.

@akritkbehera, @iarspider, @raoatifshad, @smuzaffar can you please review it and eventually sign? Thanks.
@ftenchini, @mandrenguyen, @sextonkennedy you are the release manager for this.
cms-bot commands are listed here

[cmsbuild]

cms-bot internal usage

[cmsbuild]

Pull request #10517 was updated.

[smuzaffar]

please test

[smuzaffar]

enable gpu

[smuzaffar]

please test

[smuzaffar]

please test

[cmsbuild]

Pull request #10517 was updated.

[cmsbuild]

-1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-8d04e0/52963/summary.html
COMMIT: 68bf3b3
CMSSW: CMSSW_17_0_X_2026-04-29-1100/el8_amd64_gcc13
Additional Tests: GPU,AMD_MI300X,AMD_W7900,NVIDIA_H100,NVIDIA_L40S
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmsdist/10517/52963/install.sh to create a dev area with all the needed externals and cmssw changes.

[smuzaffar]

please test

[cmsbuild]

Pull request #10517 was updated.

[smuzaffar]

please test with #10493

[cmsbuild]

Pull request #10517 was updated.

[cmsbuild]

-1

Failed Tests: RelVals
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-8d04e0/52993/summary.html
COMMIT: 6138496
CMSSW: CMSSW_17_0_X_2026-05-01-1100/el8_amd64_gcc13
Additional Tests: GPU,AMD_MI300X,AMD_W7900,NVIDIA_H100,NVIDIA_L40S
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmsdist/10517/52993/install.sh to create a dev area with all the needed externals and cmssw changes.

Failed RelVals

• 135.4135.4_ZEEFS_13/step1_ZEEFS_13.log
• 2025.00000022025.0000002_RunZeroBias2025B_10k/step2_RunZeroBias2025B_10k.log
• 9.09.0_Higgs200ChargedTaus/step1_Higgs200ChargedTaus.log

Expand to see more relval errors ...

• 34434.75
• 2024.0070001
• 1306.0
• 34500.0
• 7.3
• 18634.0
• 10224.0
• 4.53
• 250202.181
• 5.1
• 2500.3001
• 312.0
• 34434.911
• 34434.0
• 2024.0030001
• 13234.0
• 1000.0
• 12434.0
• 2024.0020001
• 136.874
• 11634.0
• 14034.0
• 16834.0
• 14234.0
• 8.0
• 136.731
• 34634.999
• 18434.0
• 2024.0050001
• 101.0
• 13034.0
• 136.793
• 2023.0020001
• 2025.0010001
• 12846.0
• 4.22
• 2024.0000001
• 2024.0040001
• 25202.0
• 25.0
• 2022.0010001
• 1330.0
• 2024.0010001
• 17034.0
• 139.001
• 140.56
• 34496.0
• 1001.0
• 2024.0060001
• 12834.0

AMD_MI300X Comparison Summary

Summary:

• You potentially removed 22 lines from the logs
• Reco comparison results: 347 differences found in the comparisons
• DQMHistoTests: Total files compared: 13
• DQMHistoTests: Total histograms compared: 216259
• DQMHistoTests: Total failures: 35644
• DQMHistoTests: Total nulls: 32
• DQMHistoTests: Total successes: 180583
• DQMHistoTests: Total skipped: 0
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 12 files compared)
• Checked 49 log files, 50 edm output root files, 13 DQM output files
• TriggerResults: no differences found

AMD_W7900 Comparison Summary

Summary:

• You potentially removed 70 lines from the logs
• Reco comparison results: 296 differences found in the comparisons
• DQMHistoTests: Total files compared: 13
• DQMHistoTests: Total histograms compared: 216259
• DQMHistoTests: Total failures: 46165
• DQMHistoTests: Total nulls: 31
• DQMHistoTests: Total successes: 170063
• DQMHistoTests: Total skipped: 0
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 12 files compared)
• Checked 49 log files, 50 edm output root files, 13 DQM output files
• TriggerResults: found differences in 6 / 12 workflows

[smuzaffar]

please test with #10493

[cmsbuild]

-1

Failed Tests: RelVals-AMD_MI300X
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-8d04e0/53016/summary.html
COMMIT: 6138496
CMSSW: CMSSW_17_0_X_2026-05-01-2300/el8_amd64_gcc13
Additional Tests: GPU,AMD_MI300X,AMD_W7900,NVIDIA_H100,NVIDIA_L40S
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmsdist/10517/53016/install.sh to create a dev area with all the needed externals and cmssw changes.

Failed RelVals-AMD_MI300X

The relvals timed out after 4 hours.

Comparison Summary

Summary:

• You potentially added 15 lines to the logs
• ROOTFileChecks: Some differences in event products or their sizes found
• Reco comparison results: 2 differences found in the comparisons
• DQMHistoTests: Total files compared: 53
• DQMHistoTests: Total histograms compared: 4187168
• DQMHistoTests: Total failures: 12
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 4187136
• DQMHistoTests: Total skipped: 20
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 52 files compared)
• Checked 227 log files, 197 edm output root files, 53 DQM output files
• TriggerResults: found differences in 1 / 51 workflows

AMD_W7900 Comparison Summary

Summary:

• You potentially removed 33 lines from the logs
• Reco comparison results: 287 differences found in the comparisons
• DQMHistoTests: Total files compared: 13
• DQMHistoTests: Total histograms compared: 216259
• DQMHistoTests: Total failures: 40825
• DQMHistoTests: Total nulls: 30
• DQMHistoTests: Total successes: 175404
• DQMHistoTests: Total skipped: 0
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 12 files compared)
• Checked 49 log files, 50 edm output root files, 13 DQM output files
• TriggerResults: found differences in 6 / 12 workflows

NVIDIA_H100 Comparison Summary

Summary:

• You potentially added 20 lines to the logs
• Reco comparison results: 324 differences found in the comparisons
• DQMHistoTests: Total files compared: 13
• DQMHistoTests: Total histograms compared: 216259
• DQMHistoTests: Total failures: 41891
• DQMHistoTests: Total nulls: 35
• DQMHistoTests: Total successes: 174333
• DQMHistoTests: Total skipped: 0
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 12 files compared)
• Checked 49 log files, 50 edm output root files, 13 DQM output files
• TriggerResults: found differences in 4 / 12 workflows

NVIDIA_L40S Comparison Summary

Summary:

• You potentially added 31 lines to the logs
• Reco comparison results: 344 differences found in the comparisons
• DQMHistoTests: Total files compared: 13
• DQMHistoTests: Total histograms compared: 216259
• DQMHistoTests: Total failures: 34072
• DQMHistoTests: Total nulls: 29
• DQMHistoTests: Total successes: 182158
• DQMHistoTests: Total skipped: 0
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 12 files compared)
• Checked 49 log files, 50 edm output root files, 13 DQM output files
• TriggerResults: no differences found

[smuzaffar]

+externals

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next IB/CMSSW_17_0_X/master IBs (but tests are reportedly failing). This pull request will now be reviewed by the release team before it's merged. @ftenchini, @mandrenguyen, @sextonkennedy (and backports should be raised in the release meeting by the corresponding L2)