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[SR-10817] Gaps in arithmetic benchmarking / testing #53207

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stephentyrone opened this issue Jun 1, 2019 · 1 comment
Open

[SR-10817] Gaps in arithmetic benchmarking / testing #53207

stephentyrone opened this issue Jun 1, 2019 · 1 comment
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benchmarks bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. good first issue Good for newcomers standard library Area: Standard library umbrella

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@stephentyrone
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Previous ID SR-10817
Radar None
Original Reporter @stephentyrone
Type Bug
Additional Detail from JIRA
Votes 0
Component/s Standard Library
Labels Bug, Benchmark, StarterBug, Test
Assignee None
Priority Medium

md5: af326874c16fabc95a608b2cf02675cf

Issue Description:

We are in need of tests and/or benchmarks to ensure that arithmetic operations in Swift compile down to single instructions (when a single instruction on the target captures the necessary semantics).

These could plausibly take the form of either benchmarks or regression tests; regression tests are good because we can directly validate that we get single IR or assembly operations where appropriate, benchmarks are also good in some cases, where we don't necessarily have a single instruction replacement for an operation (integer smart shifts, for example).

@swift-ci
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swift-ci commented Apr 7, 2020

Comment by Michael Verges (JIRA)

@stephentyrone, I'm new to this project. I see this labeled as a StarterBug. Do you have any additional references to get started on this?

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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Labels
benchmarks bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. good first issue Good for newcomers standard library Area: Standard library umbrella
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