Update CUDA_FLAGS used by CMSSW (10.2.x backport)

[fwyzard]

• drop support for Maxwell GPUs (sm_50)
• add support for Volta GPUs (sm_70)
• add line information for device code and interleave source in ptx

[fwyzard]

@cmsbuild, please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/30773/console

[cmsbuild]

A new Pull Request was created by @fwyzard (Andrea Bocci) for branch IB/CMSSW_10_2_X/gcc700.

@cmsbuild, @smuzaffar, @gudrutis, @mrodozov can you please review it and eventually sign? Thanks.
You can sign-off by replying to this message having '+1' in the first line of your reply.
You can reject by replying to this message having '-1' in the first line of your reply.

[fwyzard]

backport #4390 from 10.3.x devel IBs

[cmsbuild]

+1
Tested at: 69e6fe0
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-4392/30773/summary.html

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-4392/30773/summary.html

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 2 differences found in the comparisons
• DQMHistoTests: Total files compared: 31
• DQMHistoTests: Total histograms compared: 2986766
• DQMHistoTests: Total failures: 1
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2986575
• DQMHistoTests: Total skipped: 190
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 30 files compared)
• Checked 129 log files, 14 edm output root files, 31 DQM output files

[fwyzard]

We are moving the CUDA-based development to the 10.4.x release series.