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Add benchmark for synchronous gauge measurement#7407

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dashpole merged 2 commits intoopen-telemetry:mainfrom
dashpole:gauge_bench
Sep 25, 2025
Merged

Add benchmark for synchronous gauge measurement#7407
dashpole merged 2 commits intoopen-telemetry:mainfrom
dashpole:gauge_bench

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@dashpole dashpole commented Sep 24, 2025

These were missing from our benchmarks for synchronous instruments.

Single-threaded:

goos: linux
goarch: amd64
pkg: go.opentelemetry.io/otel/sdk/metric
cpu: Intel(R) Xeon(R) CPU @ 2.20GHz
BenchmarkSyncMeasure/NoView/Float64Gauge/Attributes/0         	  114369	       106.0 ns/op	       0 B/op	       0 allocs/op
BenchmarkSyncMeasure/NoView/Float64Gauge/Attributes/1         	  106424	       119.4 ns/op	       0 B/op	       0 allocs/op
BenchmarkSyncMeasure/NoView/Float64Gauge/Attributes/10        	   79513	       128.7 ns/op	       0 B/op	       0 allocs/op
BenchmarkSyncMeasure/NoView/Int64Gauge/Attributes/0         	  110667	       166.0 ns/op	       0 B/op	       0 allocs/op
BenchmarkSyncMeasure/NoView/Int64Gauge/Attributes/1         	  103809	       150.2 ns/op	       0 B/op	       0 allocs/op
BenchmarkSyncMeasure/NoView/Int64Gauge/Attributes/10        	   76430	       144.2 ns/op	       0 B/op	       0 allocs/op

Parallel:

goos: linux
goarch: amd64
pkg: go.opentelemetry.io/otel/sdk/metric
cpu: Intel(R) Xeon(R) CPU @ 2.20GHz
BenchmarkSyncMeasure/NoView/Float64Gauge/Attributes/0-24         	   40507	       283.4 ns/op	       0 B/op	       0 allocs/op
BenchmarkSyncMeasure/NoView/Float64Gauge/Attributes/1-24         	   43918	       305.3 ns/op	       0 B/op	       0 allocs/op
BenchmarkSyncMeasure/NoView/Float64Gauge/Attributes/10-24        	   41348	       291.0 ns/op	       0 B/op	       0 allocs/op
BenchmarkSyncMeasure/NoView/Int64Gauge/Attributes/0-24         	   48070	       291.1 ns/op	       0 B/op	       0 allocs/op
BenchmarkSyncMeasure/NoView/Int64Gauge/Attributes/1-24         	   43290	       274.9 ns/op	       0 B/op	       0 allocs/op
BenchmarkSyncMeasure/NoView/Int64Gauge/Attributes/10-24        	   40003	       325.0 ns/op	       0 B/op	       0 allocs/op

@dashpole dashpole added the Skip Changelog PRs that do not require a CHANGELOG.md entry label Sep 24, 2025
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codecov Bot commented Sep 24, 2025 •
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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.5%. Comparing base (97e2244) to head (e71e40c).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

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@@          Coverage Diff          @@
##            main   #7407   +/-   ##
=====================================
  Coverage   85.5%   85.5%           
=====================================
  Files        277     277           
  Lines      24644   24644           
=====================================
  Hits       21076   21076           
  Misses      3189    3189           
  Partials     379     379

see 2 files with indirect coverage changes

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@dashpole dashpole mentioned this pull request Sep 24, 2025
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dashpole commented Sep 25, 2025 •
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Merging early since it is trivial

@dashpole dashpole merged commit 2e0b5b4 into open-telemetry:main Sep 25, 2025
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@dashpole dashpole deleted the gauge_bench branch September 25, 2025 13:30
@MrAlias MrAlias added this to the v1.39.0 milestone Oct 14, 2025
@MrAlias MrAlias mentioned this pull request Jan 16, 2026
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@dmathieu dmathieu dmathieu approved these changes

@MrAlias MrAlias MrAlias approved these changes

@flc1125 flc1125 flc1125 approved these changes

@XSAM XSAM Awaiting requested review from XSAM XSAM is a code owner

@pellared pellared Awaiting requested review from pellared pellared is a code owner

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