[Perf] Linux/x64: 1 Improvement on 10/31/2022 10:23:25 PM

[performanceautofiler]

Run Information

Architecture	x64
OS	ubuntu 18.04
Baseline	3d9d78c63c5ad9a2ed15b2c863f989a8cef2a8b9
Compare	7d5efbb9e10b6d8beb91c90cbdefd7360869cece
Diff	Diff

Improvements in System.Buffers.Tests.ReadOnlySequenceTests<Byte>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
SliceSingleSegment - Duration of single invocation	7.11 ns	5.98 ns	0.84	0.08	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Buffers.Tests.ReadOnlySequenceTests<Byte>*'

Related Issues

Regressions

• [Perf] Linux/x64: 4 Regressions on 10/31/2022 10:23:25 PM
• [Perf] Alpine/x64: 3 Regressions on 10/31/2022 10:23:25 PM

Improvements

Payloads

Baseline
Compare

Histogram

Edge Detector Info

Collection Data

System.Buffers.Tests.ReadOnlySequenceTests<Byte>.SliceSingleSegment

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 5.978092046974833 < 6.748246010235074.
IsChangePoint: Marked as a change because one of 10/19/2022 1:55:59 PM, 10/31/2022 4:38:04 PM, 11/8/2022 2:29:58 AM falls between 10/30/2022 12:44:54 AM and 11/8/2022 2:29:58 AM.
IsImprovementStdDev: Marked as improvement because 12.401634372070314 (T) = (0 -6.350102544819778) / Math.Sqrt((0.03302312726450871 / (299)) + (0.027564450323011764 / (30))) is greater than 1.9672451058622664 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (30) - 2, .975) and 0.058961455754009635 = (6.747972847284183 - 6.350102544819778) / 6.747972847284183 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository