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gh-100833: Remove 'volatile' qualifiers in fsum algorithm #100845

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merged 5 commits into from
Jan 8, 2023

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@mdickinson mdickinson commented Jan 8, 2023

This PR removes the volatile qualifier on various intermediate quantities in the math.fsum implementation, and updates the notes preceding the algorithm accordingly (as well as fixing some of the exsting notes). See the linked issue for discussion.

@mdickinson mdickinson marked this pull request as draft January 8, 2023 10:36
@mdickinson mdickinson changed the title Experiment: Remove 'volatile' qualifiers in fsum algorithm bpo-100833: Experiment: Remove 'volatile' qualifiers in fsum algorithm Jan 8, 2023
@mdickinson mdickinson changed the title bpo-100833: Experiment: Remove 'volatile' qualifiers in fsum algorithm gh-100833: Experiment: Remove 'volatile' qualifiers in fsum algorithm Jan 8, 2023
@mdickinson mdickinson added skip news DO-NOT-MERGE 🔨 test-with-buildbots Test PR w/ buildbots; report in status section labels Jan 8, 2023
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🤖 New build scheduled with the buildbot fleet by @mdickinson for commit 6b6631f 🤖

If you want to schedule another build, you need to add the :hammer: test-with-buildbots label again.

@bedevere-bot bedevere-bot removed the 🔨 test-with-buildbots Test PR w/ buildbots; report in status section label Jan 8, 2023
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@mdickinson mdickinson added the 🔨 test-with-buildbots Test PR w/ buildbots; report in status section label Jan 8, 2023
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🤖 New build scheduled with the buildbot fleet by @mdickinson for commit 9e5da47 🤖

If you want to schedule another build, you need to add the :hammer: test-with-buildbots label again.

@bedevere-bot bedevere-bot removed the 🔨 test-with-buildbots Test PR w/ buildbots; report in status section label Jan 8, 2023
@mdickinson mdickinson marked this pull request as ready for review January 8, 2023 17:14
@mdickinson mdickinson changed the title gh-100833: Experiment: Remove 'volatile' qualifiers in fsum algorithm gh-100833: Remove 'volatile' qualifiers in fsum algorithm Jan 8, 2023
@mdickinson mdickinson requested a review from rhettinger January 8, 2023 17:15
@mdickinson mdickinson added type-feature A feature request or enhancement performance Performance or resource usage and removed DO-NOT-MERGE labels Jan 8, 2023
@mdickinson mdickinson merged commit 87d3bd0 into python:main Jan 8, 2023
@mdickinson mdickinson deleted the experiment-remove-fsum-volatile branch January 8, 2023 19:40
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3 participants