[alpaka] Update the develop branch to 2022.03.10 / 4189bd1e2d

cms-patatrack / pixeltrack-standalone

Standalone Patatrack pixel tracking

Apache License 2.0

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[alpaka] Update the develop branch to 2022.03.10 / 4189bd1e2d #340

Closed fwyzard closed 2 years ago

fwyzard commented 2 years ago

Update the version of alpaka to the HEAD of the develop branch as of 2022.03.10, corresponding to the commit 4189bd1e2d .

Relevant changes:

remove the alpaka::extent namespace;
use alpaka::getNativeHandle instead of data members.

Other changes:

rename getDevIndex to getDeviceIndex;
check that the index used to select the devices matches the one returned by getDeviceIndex.

fwyzard commented 2 years ago

Tested on patatrack02 with multiple GPUs:

$ ./alpaka --cuda --numberOfThreads 20 --numberOfStreams 20 --maxEvents 20000 --validation
Found 5 devices:
  - NVIDIA A10
  - NVIDIA A10
  - Tesla V100-PCIE-32GB
  - Tesla T4
  - Tesla T4
Processing 20000 events, of which 20 concurrently, with 20 threads.
CountValidator: all 20000 events passed validation
 Average relative track difference 0.000893301 (all within tolerance)
 Average absolute vertex difference 0.0005 (all within tolerance)
Processed 20000 events in 6.907347e+00 seconds, throughput 2895.47 events/s, CPU usage per thread: 52.4%