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Increase parallelism on Linux WPT testing

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The time taken by each chunk is uneven, with WPT-1 the longest
before this change at 30~45 minutes. This reduces it to 15~20 minutes.

Surprisingly, increasing the number of processes seems to also make
`test_element_in_collection` in `/webdriver/tests/execute_script/cyclic.py`
**unexpectedly pass**. This happened reliably in three different runs:

https://community-tc.services.mozilla.com/tasks/S9O27WJvSa6j2PSjcRcbBA/runs/2
This commit is contained in:
Simon Sapin 2019-12-06 10:49:48 +01:00
parent 250184fe60
commit c4cf31f72f
2 changed files with 3 additions and 2 deletions
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2
etc/taskcluster/decision_task.py
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@ -682,7 +682,7 @@ def linux_wpt_common(total_chunks, layout_2020):
def linux_run_task(name):
return linux_task(name).with_dockerfile(dockerfile_path("run")).with_repo_bundle()
wpt_chunks("Linux x64", linux_run_task, release_build_task, repo_dir="/repo",
processes=12, total_chunks=total_chunks, layout_2020=layout_2020)
processes=20, total_chunks=total_chunks, layout_2020=layout_2020)
def wpt_chunks(platform, make_chunk_task, build_task, total_chunks, processes,