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SPMI collections need to use release System.Private.Corelib #60947

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Tracked by #79018
AndyAyersMS opened this issue Oct 27, 2021 · 4 comments
Open
Tracked by #79018

SPMI collections need to use release System.Private.Corelib #60947

AndyAyersMS opened this issue Oct 27, 2021 · 4 comments
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area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI
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@AndyAyersMS
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AndyAyersMS commented Oct 27, 2021

Checked builds of SPC contain Debug.Assert and other constructs that can give a misleading picture of codegen diffs.

See eg: #60943 (comment)

category:eng-sys
theme:super-pmi
skill-level:intermediate
cost:medium
impact:medium

@dotnet-issue-labeler dotnet-issue-labeler bot added area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI untriaged New issue has not been triaged by the area owner labels Oct 27, 2021
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ghost commented Oct 27, 2021

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Issue Details

Checked builds of SPC contain Debug.Assert and other constructs that can give a misleading picture of codegen diffs.

See eg: #60943 (comment)

Author: AndyAyersMS
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area-CodeGen-coreclr, untriaged

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@AndyAyersMS
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cc @dotnet/jit-contrib

@BruceForstall
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Currently, SPMI collections use Checked builds for everything. Should we use Release builds with an overlaid Checked JIT? I believe we need the Checked JIT, which will ask additional questions (mostly to get the full function names for Checked/Debug playback with JitDump).

Needing more than just Checked builds complicates things.

@AndyAyersMS
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Should we use Release builds with an overlaid Checked JIT?

Yes, that's what I'd recommend. jit-diffs --pmi was intentionally set up this way.

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