Bump the statsd default packet size

[andrewlock]

Summary of changes

Increases the default packet size used by vendored dogstatsd

Reason for change

Customers can hit the package size limits and payloads are dropped without sending. These were increased upstream in DataDog/dogstatsd-csharp-client#170, but as we're using an older vendored version with older limits.

Implementation details

• Update the limits
• Update the vendored code (just for documentation really, we're never going to re-run this vendoring)

Test coverage

Meh

Other details

I considered making this setting actually configurable, but given the upstream code still doesn't have this as configurable, and the Go reference implementation recommends these limits, I think this is probably the best approach

[andrewlock]

@codex review

[chatgpt-codex-connector]

Codex Review: Didn't find any major issues. What shall we delve into next?

Reviewed commit: 481afd1eab

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[pr-commenter]

Benchmarks

Benchmark execution time: 2026-07-31 14:15:52

Comparing candidate commit 48acd35 in PR branch andrew/update-dogstatsd-limits with baseline commit aa67bbf in branch master.

📊 Benchmarking dashboard

Found 0 performance improvements and 2 performance regressions! Performance is the same for 70 metrics, 0 unstable metrics, 65 known flaky benchmarks, 61 flaky benchmarks without significant changes.

Explanation

This is an A/B test comparing a candidate commit's performance against that of a baseline commit. Performance changes are noted in the tables below as:

• 🟩 = significantly better candidate vs. baseline
• 🟥 = significantly worse candidate vs. baseline

We compute a confidence interval (CI) over the relative difference of means between metrics from the candidate and baseline commits, considering the baseline as the reference.

If the CI is entirely outside the configured SIGNIFICANT_IMPACT_THRESHOLD (or the deprecated UNCONFIDENCE_THRESHOLD), the change is considered significant.

Feel free to reach out to #apm-benchmarking-platform on Slack if you have any questions.

More details about the CI and significant changes

You can imagine this CI as a range of values that is likely to contain the true difference of means between the candidate and baseline commits.

CIs of the difference of means are often centered around 0%, because often changes are not that big:

---------------------------------(------|---^--------)-------------------------------->
                              -0.6%    0%  0.3%     +1.2%
                                 |          |        |
         lower bound of the CI --'          |        |
sample mean (center of the CI) -------------'        |
         upper bound of the CI ----------------------'

As described above, a change is considered significant if the CI is entirely outside the configured SIGNIFICANT_IMPACT_THRESHOLD (or the deprecated UNCONFIDENCE_THRESHOLD).

For instance, for an execution time metric, this confidence interval indicates a significantly worse performance:

----------------------------------------|---------|---(---------^---------)---------->
                                       0%        1%  1.3%      2.2%      3.1%
                                                  |   |         |         |
       significant impact threshold --------------'   |         |         |
                      lower bound of CI --------------'         |         |
       sample mean (center of the CI) --------------------------'         |
                      upper bound of CI ----------------------------------'

scenario:Benchmarks.Trace.DbCommandBenchmark.ExecuteNonQuery net472

• 🟥 throughput [-31770.055op/s; -28711.673op/s] or [-8.948%; -8.087%]

scenario:Benchmarks.Trace.HttpClientBenchmark.SendAsync net472

• 🟥 throughput [-5628.866op/s; -5145.053op/s] or [-6.426%; -5.873%]

Known flaky benchmarks

These benchmarks are marked as flaky and will not trigger a failure. Modify FLAKY_BENCHMARKS_REGEX to control which benchmarks are marked as flaky.

scenario:Benchmarks.Trace.ActivityBenchmark.StartStopWithChild net472

• 🟥 throughput [-11162.282op/s; -10726.019op/s] or [-13.235%; -12.718%]

scenario:Benchmarks.Trace.ActivityBenchmark.StartStopWithChild netcoreapp3.1

• 🟥 throughput [-12093.035op/s; -8477.993op/s] or [-12.296%; -8.620%]

scenario:Benchmarks.Trace.AgentWriterBenchmark.WriteAndFlushEnrichedTraces net472

• 🟥 execution_time [+297.957ms; +299.804ms] or [+147.857%; +148.773%]
• 🟥 throughput [-46.072op/s; -42.326op/s] or [-8.289%; -7.615%]

scenario:Benchmarks.Trace.AgentWriterBenchmark.WriteAndFlushEnrichedTraces net6.0

• 🟥 execution_time [+382.701ms; +384.406ms] or [+302.357%; +303.704%]
• 🟩 throughput [+78.895op/s; +85.338op/s] or [+10.402%; +11.252%]

scenario:Benchmarks.Trace.AgentWriterBenchmark.WriteAndFlushEnrichedTraces netcoreapp3.1

• 🟥 execution_time [+392.087ms; +395.311ms] or [+346.982%; +349.835%]

scenario:Benchmarks.Trace.Asm.AppSecBodyBenchmark.AllCycleMoreComplexBody net472

• 🟥 allocated_mem [+4.692KB; +4.693KB] or [+98.785%; +98.801%]
• 🟥 throughput [-60391.287op/s; -59979.340op/s] or [-46.988%; -46.667%]

scenario:Benchmarks.Trace.Asm.AppSecBodyBenchmark.AllCycleMoreComplexBody net6.0

• 🟥 allocated_mem [+3.816KB; +3.816KB] or [+80.699%; +80.711%]
• 🟩 execution_time [-16.094ms; -11.910ms] or [-7.517%; -5.562%]
• 🟥 throughput [-59831.979op/s; -57063.127op/s] or [-43.674%; -41.653%]

scenario:Benchmarks.Trace.Asm.AppSecBodyBenchmark.AllCycleMoreComplexBody netcoreapp3.1

• 🟥 allocated_mem [+4.544KB; +4.544KB] or [+98.261%; +98.274%]
• 🟥 throughput [-48654.765op/s; -46393.839op/s] or [-43.989%; -41.945%]

scenario:Benchmarks.Trace.Asm.AppSecBodyBenchmark.AllCycleSimpleBody net472

• 🟥 allocated_mem [+1.315KB; +1.315KB] or [+106.388%; +106.404%]
• 🟥 throughput [-265897.348op/s; -261533.907op/s] or [-27.149%; -26.704%]

scenario:Benchmarks.Trace.Asm.AppSecBodyBenchmark.AllCycleSimpleBody net6.0

• 🟥 allocated_mem [+479 bytes; +480 bytes] or [+39.212%; +39.221%]
• 🟩 execution_time [-25.742ms; -20.818ms] or [-11.480%; -9.284%]
• 🟥 throughput [-72926.098op/s; -48996.690op/s] or [-7.791%; -5.234%]

scenario:Benchmarks.Trace.Asm.AppSecBodyBenchmark.AllCycleSimpleBody netcoreapp3.1

• 🟥 allocated_mem [+1.280KB; +1.280KB] or [+105.947%; +105.963%]
• 🟥 throughput [-157126.751op/s; -140886.402op/s] or [-22.576%; -20.243%]

scenario:Benchmarks.Trace.Asm.AppSecBodyBenchmark.ObjectExtractorMoreComplexBody net472

• 🟥 allocated_mem [+3.378KB; +3.378KB] or [+89.003%; +89.017%]
• 🟥 throughput [-73296.318op/s; -72540.547op/s] or [-49.328%; -48.819%]

scenario:Benchmarks.Trace.Asm.AppSecBodyBenchmark.ObjectExtractorMoreComplexBody net6.0

• 🟥 allocated_mem [+3.336KB; +3.336KB] or [+88.150%; +88.161%]
• 🟥 throughput [-73203.437op/s; -70322.633op/s] or [-46.578%; -44.745%]

scenario:Benchmarks.Trace.Asm.AppSecBodyBenchmark.ObjectExtractorMoreComplexBody netcoreapp3.1

• 🟥 allocated_mem [+3.264KB; +3.264KB] or [+88.493%; +88.506%]
• 🟥 throughput [-56238.161op/s; -53624.881op/s] or [-44.801%; -42.719%]

scenario:Benchmarks.Trace.Asm.AppSecBodyBenchmark.ObjectExtractorSimpleBody net6.0

• 🟩 throughput [+267520.215op/s; +292742.297op/s] or [+8.920%; +9.761%]

scenario:Benchmarks.Trace.Asm.AppSecBodyBenchmark.ObjectExtractorSimpleBody netcoreapp3.1

• 🟩 execution_time [-18.997ms; -14.667ms] or [-8.757%; -6.761%]

scenario:Benchmarks.Trace.Asm.AppSecEncoderBenchmark.EncodeArgs net472

• 🟥 execution_time [+299.605ms; +300.428ms] or [+149.703%; +150.114%]

scenario:Benchmarks.Trace.Asm.AppSecEncoderBenchmark.EncodeArgs net6.0

• 🟥 execution_time [+299.972ms; +304.168ms] or [+151.277%; +153.393%]

scenario:Benchmarks.Trace.Asm.AppSecEncoderBenchmark.EncodeArgs netcoreapp3.1

• 🟥 execution_time [+300.476ms; +303.359ms] or [+151.357%; +152.809%]

scenario:Benchmarks.Trace.Asm.AppSecEncoderBenchmark.EncodeLegacyArgs net472

• 🟥 execution_time [+296.542ms; +297.441ms] or [+145.650%; +146.091%]

scenario:Benchmarks.Trace.Asm.AppSecEncoderBenchmark.EncodeLegacyArgs net6.0

• 🟥 execution_time [+295.369ms; +298.072ms] or [+144.395%; +145.716%]

scenario:Benchmarks.Trace.Asm.AppSecEncoderBenchmark.EncodeLegacyArgs netcoreapp3.1

• 🟥 execution_time [+297.251ms; +298.828ms] or [+148.565%; +149.354%]

scenario:Benchmarks.Trace.Asm.AppSecWafBenchmark.RunWafRealisticBenchmarkWithAttack net6.0

• 🟥 execution_time [+25.864µs; +49.462µs] or [+8.257%; +15.791%]
• 🟥 throughput [-457.071op/s; -258.501op/s] or [-14.248%; -8.058%]

scenario:Benchmarks.Trace.AspNetCoreBenchmark.SendRequest net472

• 🟥 execution_time [+299.236ms; +300.165ms] or [+149.350%; +149.813%]

scenario:Benchmarks.Trace.AspNetCoreBenchmark.SendRequest net6.0

• 🟥 execution_time [+417.305ms; +424.097ms] or [+453.419%; +460.799%]
• 🟩 throughput [+721.256op/s; +872.566op/s] or [+5.927%; +7.170%]

scenario:Benchmarks.Trace.AspNetCoreBenchmark.SendRequest netcoreapp3.1

• 🟥 execution_time [+368.687ms; +373.214ms] or [+279.941%; +283.378%]

scenario:Benchmarks.Trace.CIVisibilityProtocolWriterBenchmark.WriteAndFlushEnrichedTraces net472

• unstable execution_time [+295.603ms; +341.224ms] or [+135.916%; +156.892%]
• 🟥 throughput [-511.868op/s; -472.602op/s] or [-46.380%; -42.822%]

scenario:Benchmarks.Trace.CIVisibilityProtocolWriterBenchmark.WriteAndFlushEnrichedTraces net6.0

• unstable execution_time [+207.513ms; +340.790ms] or [+88.433%; +145.230%]
• 🟥 throughput [-666.724op/s; -583.247op/s] or [-44.471%; -38.903%]

scenario:Benchmarks.Trace.CIVisibilityProtocolWriterBenchmark.WriteAndFlushEnrichedTraces netcoreapp3.1

• 🟥 execution_time [+337.068ms; +345.399ms] or [+201.606%; +206.589%]
• 🟥 throughput [-377.160op/s; -342.065op/s] or [-26.261%; -23.817%]

scenario:Benchmarks.Trace.CharSliceBenchmark.OptimizedCharSlice net472

• 🟥 execution_time [+268.029µs; +303.534µs] or [+13.488%; +15.275%]
• 🟥 throughput [-66.366op/s; -59.516op/s] or [-13.188%; -11.826%]

scenario:Benchmarks.Trace.CharSliceBenchmark.OptimizedCharSlice netcoreapp3.1

• 🟩 execution_time [-435.245µs; -180.955µs] or [-15.142%; -6.295%]
• unstable throughput [+32.364op/s; +83.091op/s] or [+9.303%; +23.884%]

scenario:Benchmarks.Trace.CharSliceBenchmark.OriginalCharSlice net472

• 🟥 execution_time [+253.260µs; +280.430µs] or [+9.893%; +10.954%]
• 🟥 throughput [-38.439op/s; -35.102op/s] or [-9.841%; -8.987%]

scenario:Benchmarks.Trace.ElasticsearchBenchmark.CallElasticsearch net472

• 🟥 execution_time [+303.323ms; +305.783ms] or [+152.748%; +153.987%]

scenario:Benchmarks.Trace.ElasticsearchBenchmark.CallElasticsearch net6.0

• 🟥 execution_time [+302.164ms; +303.274ms] or [+151.415%; +151.971%]

scenario:Benchmarks.Trace.ElasticsearchBenchmark.CallElasticsearch netcoreapp3.1

• 🟥 execution_time [+302.910ms; +306.679ms] or [+152.169%; +154.063%]

scenario:Benchmarks.Trace.ElasticsearchBenchmark.CallElasticsearchAsync net472

• 🟥 execution_time [+302.759ms; +304.931ms] or [+152.035%; +153.126%]

scenario:Benchmarks.Trace.ElasticsearchBenchmark.CallElasticsearchAsync net6.0

• 🟥 execution_time [+298.234ms; +299.934ms] or [+147.464%; +148.304%]

scenario:Benchmarks.Trace.ElasticsearchBenchmark.CallElasticsearchAsync netcoreapp3.1

• 🟥 execution_time [+304.216ms; +308.173ms] or [+154.190%; +156.196%]

scenario:Benchmarks.Trace.GraphQLBenchmark.ExecuteAsync net472

• 🟥 execution_time [+300.880ms; +303.098ms] or [+151.015%; +152.128%]

scenario:Benchmarks.Trace.GraphQLBenchmark.ExecuteAsync net6.0

• 🟥 execution_time [+300.580ms; +303.199ms] or [+149.812%; +151.117%]
• 🟩 throughput [+56684.315op/s; +64202.551op/s] or [+11.256%; +12.749%]

scenario:Benchmarks.Trace.GraphQLBenchmark.ExecuteAsync netcoreapp3.1

• 🟥 execution_time [+303.455ms; +306.162ms] or [+150.966%; +152.313%]

scenario:Benchmarks.Trace.ILoggerBenchmark.EnrichedLog net6.0

• 🟩 execution_time [-17.035ms; -13.322ms] or [-7.921%; -6.195%]
• 🟩 throughput [+22658.035op/s; +29775.452op/s] or [+6.216%; +8.168%]

scenario:Benchmarks.Trace.Iast.StringAspectsBenchmark.StringConcatAspectBenchmark net472

• unstable execution_time [+13.077µs; +55.922µs] or [+3.230%; +13.813%]

scenario:Benchmarks.Trace.Iast.StringAspectsBenchmark.StringConcatAspectBenchmark net6.0

• unstable execution_time [-57.648µs; +0.463µs] or [-11.394%; +0.092%]
• unstable throughput [+16.427op/s; +221.224op/s] or [+0.820%; +11.039%]

scenario:Benchmarks.Trace.Iast.StringAspectsBenchmark.StringConcatAspectBenchmark netcoreapp3.1

• unstable execution_time [-61.255µs; -1.922µs] or [-10.615%; -0.333%]

scenario:Benchmarks.Trace.Iast.StringAspectsBenchmark.StringConcatBenchmark net6.0

• unstable execution_time [+5.936µs; +10.379µs] or [+14.030%; +24.533%]
• 🟥 throughput [-4704.509op/s; -2857.234op/s] or [-19.805%; -12.028%]

scenario:Benchmarks.Trace.Iast.StringAspectsBenchmark.StringConcatBenchmark netcoreapp3.1

• unstable execution_time [-15.591µs; -8.223µs] or [-24.189%; -12.757%]
• 🟩 throughput [+2140.343op/s; +3718.709op/s] or [+13.132%; +22.816%]

scenario:Benchmarks.Trace.Log4netBenchmark.EnrichedLog net472

• 🟥 execution_time [+302.847ms; +304.113ms] or [+153.075%; +153.715%]

scenario:Benchmarks.Trace.Log4netBenchmark.EnrichedLog net6.0

• 🟥 execution_time [+303.902ms; +307.236ms] or [+154.685%; +156.382%]

scenario:Benchmarks.Trace.Log4netBenchmark.EnrichedLog netcoreapp3.1

• 🟥 execution_time [+299.458ms; +303.962ms] or [+149.916%; +152.170%]

scenario:Benchmarks.Trace.RedisBenchmark.SendReceive net472

• 🟥 throughput [-19924.446op/s; -18731.854op/s] or [-5.516%; -5.185%]

scenario:Benchmarks.Trace.RedisBenchmark.SendReceive net6.0

• 🟩 throughput [+42304.345op/s; +45291.607op/s] or [+8.007%; +8.573%]

scenario:Benchmarks.Trace.SerilogBenchmark.EnrichedLog net472

• 🟥 execution_time [+298.262ms; +300.912ms] or [+148.657%; +149.977%]

scenario:Benchmarks.Trace.SerilogBenchmark.EnrichedLog net6.0

• 🟥 execution_time [+301.247ms; +303.196ms] or [+151.272%; +152.250%]

scenario:Benchmarks.Trace.SerilogBenchmark.EnrichedLog netcoreapp3.1

• 🟥 execution_time [+302.962ms; +306.444ms] or [+153.643%; +155.409%]

scenario:Benchmarks.Trace.SingleSpanAspNetCoreBenchmark.SingleSpanAspNetCore net472

• 🟥 execution_time [+299.343ms; +300.463ms] or [+149.314%; +149.872%]
• 🟩 throughput [+60706449.068op/s; +61046437.172op/s] or [+44.210%; +44.458%]

scenario:Benchmarks.Trace.SingleSpanAspNetCoreBenchmark.SingleSpanAspNetCore net6.0

• 🟥 execution_time [+423.247ms; +426.183ms] or [+526.382%; +530.034%]

scenario:Benchmarks.Trace.SingleSpanAspNetCoreBenchmark.SingleSpanAspNetCore netcoreapp3.1

• 🟥 execution_time [+299.438ms; +300.477ms] or [+149.353%; +149.871%]

scenario:Benchmarks.Trace.SpanBenchmark.StartFinishScope net6.0

• 🟩 throughput [+68184.951op/s; +85989.605op/s] or [+6.366%; +8.029%]

scenario:Benchmarks.Trace.SpanBenchmark.StartFinishScope netcoreapp3.1

• 🟩 throughput [+52315.549op/s; +71670.339op/s] or [+6.055%; +8.296%]

scenario:Benchmarks.Trace.SpanBenchmark.StartFinishSpan net6.0

• 🟩 throughput [+85636.887op/s; +115278.610op/s] or [+6.628%; +8.923%]

scenario:Benchmarks.Trace.SpanBenchmark.StartFinishSpan netcoreapp3.1

• 🟩 throughput [+80385.968op/s; +88809.400op/s] or [+7.984%; +8.820%]

scenario:Benchmarks.Trace.SpanBenchmark.StartFinishTwoScopes net6.0

• 🟩 throughput [+45930.668op/s; +53144.822op/s] or [+8.340%; +9.650%]

scenario:Benchmarks.Trace.SpanBenchmark.StartFinishTwoScopes netcoreapp3.1

• 🟩 throughput [+23577.534op/s; +33634.787op/s] or [+5.277%; +7.529%]

scenario:Benchmarks.Trace.TraceAnnotationsBenchmark.RunOnMethodBegin net6.0

• 🟩 throughput [+66673.626op/s; +84534.480op/s] or [+7.449%; +9.445%]

Known flaky benchmarks without significant changes:

• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.ActivityBenchmark.StartSpan net472
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.ActivityBenchmark.StartSpan net6.0
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.ActivityBenchmark.StartSpan netcoreapp3.1
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.ActivityBenchmark.StartSpan_AddEvent_Sampled net472
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.ActivityBenchmark.StartSpan_AddEvent_Sampled net6.0
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.ActivityBenchmark.StartSpan_AddEvent_Sampled netcoreapp3.1
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.ActivityBenchmark.StartSpan_GetContext_Sampled net472
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.ActivityBenchmark.StartSpan_GetContext_Sampled net6.0
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.ActivityBenchmark.StartSpan_GetContext_Sampled netcoreapp3.1
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.ActivityBenchmark.StartSpan_SetAttributes_Sampled net472
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.ActivityBenchmark.StartSpan_SetAttributes_Sampled net6.0
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.ActivityBenchmark.StartSpan_SetAttributes_Sampled netcoreapp3.1
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.ActivityBenchmark.StartSpan_SetStatus_Sampled net472
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.ActivityBenchmark.StartSpan_SetStatus_Sampled net6.0
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.ActivityBenchmark.StartSpan_SetStatus_Sampled netcoreapp3.1
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.ActivityBenchmark.StartSpan_UpdateName_Sampled net472
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.ActivityBenchmark.StartSpan_UpdateName_Sampled net6.0
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.ActivityBenchmark.StartSpan_UpdateName_Sampled netcoreapp3.1
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.TelemetrySpanBenchmark.StartSpan net472
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.TelemetrySpanBenchmark.StartSpan net6.0
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.TelemetrySpanBenchmark.StartSpan netcoreapp3.1
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.TelemetrySpanBenchmark.StartSpan_AddEvent_Sampled net472
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.TelemetrySpanBenchmark.StartSpan_AddEvent_Sampled net6.0
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.TelemetrySpanBenchmark.StartSpan_AddEvent_Sampled netcoreapp3.1
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.TelemetrySpanBenchmark.StartSpan_GetContext_Sampled net472
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.TelemetrySpanBenchmark.StartSpan_GetContext_Sampled net6.0
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.TelemetrySpanBenchmark.StartSpan_GetContext_Sampled netcoreapp3.1
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.TelemetrySpanBenchmark.StartSpan_RecordException_Sampled net472
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.TelemetrySpanBenchmark.StartSpan_RecordException_Sampled net6.0
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.TelemetrySpanBenchmark.StartSpan_RecordException_Sampled netcoreapp3.1
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.TelemetrySpanBenchmark.StartSpan_SetAttributes_Sampled net472
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.TelemetrySpanBenchmark.StartSpan_SetAttributes_Sampled net6.0
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.TelemetrySpanBenchmark.StartSpan_SetAttributes_Sampled netcoreapp3.1
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.TelemetrySpanBenchmark.StartSpan_SetStatus_Sampled net472
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.TelemetrySpanBenchmark.StartSpan_SetStatus_Sampled net6.0
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.TelemetrySpanBenchmark.StartSpan_SetStatus_Sampled netcoreapp3.1
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.TelemetrySpanBenchmark.StartSpan_UpdateName_Sampled net472
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.TelemetrySpanBenchmark.StartSpan_UpdateName_Sampled net6.0
• scenario:Benchmarks.OpenTelemetry.InstrumentedApi.Trace.TelemetrySpanBenchmark.StartSpan_UpdateName_Sampled netcoreapp3.1
• scenario:Benchmarks.Trace.ActivityBenchmark.StartStopWithChild net6.0
• scenario:Benchmarks.Trace.Asm.AppSecBodyBenchmark.ObjectExtractorSimpleBody net472
• scenario:Benchmarks.Trace.Asm.AppSecWafBenchmark.RunWafRealisticBenchmark net472
• scenario:Benchmarks.Trace.Asm.AppSecWafBenchmark.RunWafRealisticBenchmark net6.0
• scenario:Benchmarks.Trace.Asm.AppSecWafBenchmark.RunWafRealisticBenchmark netcoreapp3.1
• scenario:Benchmarks.Trace.Asm.AppSecWafBenchmark.RunWafRealisticBenchmarkWithAttack net472
• scenario:Benchmarks.Trace.Asm.AppSecWafBenchmark.RunWafRealisticBenchmarkWithAttack netcoreapp3.1
• scenario:Benchmarks.Trace.CharSliceBenchmark.OptimizedCharSlice net6.0
• scenario:Benchmarks.Trace.CharSliceBenchmark.OptimizedCharSliceWithPool net472
• scenario:Benchmarks.Trace.CharSliceBenchmark.OptimizedCharSliceWithPool net6.0
• scenario:Benchmarks.Trace.CharSliceBenchmark.OptimizedCharSliceWithPool netcoreapp3.1
• scenario:Benchmarks.Trace.CharSliceBenchmark.OriginalCharSlice net6.0
• scenario:Benchmarks.Trace.CharSliceBenchmark.OriginalCharSlice netcoreapp3.1
• scenario:Benchmarks.Trace.ILoggerBenchmark.EnrichedLog net472
• scenario:Benchmarks.Trace.ILoggerBenchmark.EnrichedLog netcoreapp3.1
• scenario:Benchmarks.Trace.Iast.StringAspectsBenchmark.StringConcatBenchmark net472
• scenario:Benchmarks.Trace.RedisBenchmark.SendReceive netcoreapp3.1
• scenario:Benchmarks.Trace.SpanBenchmark.StartFinishScope net472
• scenario:Benchmarks.Trace.SpanBenchmark.StartFinishSpan net472
• scenario:Benchmarks.Trace.SpanBenchmark.StartFinishTwoScopes net472
• scenario:Benchmarks.Trace.TraceAnnotationsBenchmark.RunOnMethodBegin net472
• scenario:Benchmarks.Trace.TraceAnnotationsBenchmark.RunOnMethodBegin netcoreapp3.1

[dd-trace-dotnet-ci-bot]

Execution-Time Benchmarks Report ⏱️

Execution-time results for samples comparing This PR (8967) and master.

⚠️ Potential regressions detected

HttpMessageHandler

Metric	Master (Mean ± 95% CI)	Current (Mean ± 95% CI)	Change	Status
.NET Framework 4.8 - Baseline
duration	191.33 ± (191.26 - 192.06) ms	211.51 ± (211.24 - 212.25) ms	+10.5%	❌⬆️
.NET Framework 4.8 - Bailout
duration	195.07 ± (195.02 - 195.45) ms	215.73 ± (215.40 - 216.45) ms	+10.6%	❌⬆️
.NET Framework 4.8 - CallTarget+Inlining+NGEN
duration	1174.32 ± (1175.82 - 1183.25) ms	1271.64 ± (1272.59 - 1280.91) ms	+8.3%	❌⬆️

Full Metrics Comparison

FakeDbCommand

Metric	Master (Mean ± 95% CI)	Current (Mean ± 95% CI)	Change	Status
.NET Framework 4.8 - Baseline
duration	74.01 ± (73.73 - 74.28) ms	70.91 ± (71.01 - 71.44) ms	-4.2%	✅
.NET Framework 4.8 - Bailout
duration	76.13 ± (75.94 - 76.44) ms	75.21 ± (75.19 - 75.50) ms	-1.2%	✅
.NET Framework 4.8 - CallTarget+Inlining+NGEN
duration	1083.43 ± (1085.28 - 1092.10) ms	1088.10 ± (1087.55 - 1094.15) ms	+0.4%	✅⬆️
.NET Core 3.1 - Baseline
process.internal_duration_ms	22.28 ± (22.24 - 22.33) ms	22.01 ± (21.98 - 22.04) ms	-1.2%	✅
process.time_to_main_ms	83.33 ± (83.07 - 83.58) ms	81.51 ± (81.34 - 81.69) ms	-2.2%	✅
runtime.dotnet.exceptions.count	0 ± (0 - 0)	0 ± (0 - 0)	+0.0%	✅
runtime.dotnet.mem.committed	11.00 ± (10.99 - 11.00) MB	10.99 ± (10.99 - 11.00) MB	-0.0%	✅
runtime.dotnet.threads.count	12 ± (12 - 12)	12 ± (12 - 12)	+0.0%	✅
.NET Core 3.1 - Bailout
process.internal_duration_ms	22.03 ± (22.00 - 22.06) ms	22.00 ± (21.97 - 22.03) ms	-0.1%	✅
process.time_to_main_ms	83.07 ± (82.91 - 83.23) ms	82.46 ± (82.29 - 82.64) ms	-0.7%	✅
runtime.dotnet.exceptions.count	0 ± (0 - 0)	0 ± (0 - 0)	+0.0%	✅
runtime.dotnet.mem.committed	11.03 ± (11.03 - 11.04) MB	11.03 ± (11.02 - 11.03) MB	-0.1%	✅
runtime.dotnet.threads.count	13 ± (13 - 13)	13 ± (13 - 13)	+0.0%	✅
.NET Core 3.1 - CallTarget+Inlining+NGEN
process.internal_duration_ms	209.16 ± (208.28 - 210.04) ms	211.04 ± (210.14 - 211.94) ms	+0.9%	✅⬆️
process.time_to_main_ms	533.77 ± (532.47 - 535.06) ms	539.62 ± (538.42 - 540.82) ms	+1.1%	✅⬆️
runtime.dotnet.exceptions.count	0 ± (0 - 0)	0 ± (0 - 0)	+0.0%	✅
runtime.dotnet.mem.committed	49.67 ± (49.63 - 49.70) MB	49.48 ± (49.44 - 49.51) MB	-0.4%	✅
runtime.dotnet.threads.count	28 ± (28 - 28)	28 ± (28 - 28)	-0.0%	✅
.NET 6 - Baseline
process.internal_duration_ms	21.04 ± (21.00 - 21.08) ms	21.12 ± (21.07 - 21.16) ms	+0.4%	✅⬆️
process.time_to_main_ms	73.86 ± (73.61 - 74.11) ms	73.97 ± (73.68 - 74.25) ms	+0.1%	✅⬆️
runtime.dotnet.exceptions.count	0 ± (0 - 0)	0 ± (0 - 0)	+0.0%	✅
runtime.dotnet.mem.committed	10.72 ± (10.72 - 10.72) MB	10.71 ± (10.71 - 10.71) MB	-0.1%	✅
runtime.dotnet.threads.count	10 ± (10 - 10)	10 ± (10 - 10)	+0.0%	✅
.NET 6 - Bailout
process.internal_duration_ms	20.82 ± (20.78 - 20.86) ms	20.90 ± (20.86 - 20.94) ms	+0.4%	✅⬆️
process.time_to_main_ms	72.43 ± (72.28 - 72.58) ms	74.10 ± (73.85 - 74.35) ms	+2.3%	✅⬆️
runtime.dotnet.exceptions.count	0 ± (0 - 0)	0 ± (0 - 0)	+0.0%	✅
runtime.dotnet.mem.committed	10.85 ± (10.84 - 10.85) MB	10.82 ± (10.82 - 10.83) MB	-0.2%	✅
runtime.dotnet.threads.count	11 ± (11 - 11)	11 ± (11 - 11)	+0.0%	✅
.NET 6 - CallTarget+Inlining+NGEN
process.internal_duration_ms	368.25 ± (366.12 - 370.38) ms	372.10 ± (369.87 - 374.33) ms	+1.0%	✅⬆️
process.time_to_main_ms	544.80 ± (543.56 - 546.04) ms	544.36 ± (543.23 - 545.48) ms	-0.1%	✅
runtime.dotnet.exceptions.count	0 ± (0 - 0)	0 ± (0 - 0)	+0.0%	✅
runtime.dotnet.mem.committed	50.66 ± (50.64 - 50.67) MB	50.63 ± (50.61 - 50.66) MB	-0.0%	✅
runtime.dotnet.threads.count	28 ± (28 - 28)	28 ± (28 - 28)	-0.0%	✅
.NET 8 - Baseline
process.internal_duration_ms	19.18 ± (19.15 - 19.21) ms	19.16 ± (19.13 - 19.19) ms	-0.1%	✅
process.time_to_main_ms	70.19 ± (70.03 - 70.35) ms	70.24 ± (70.10 - 70.37) ms	+0.1%	✅⬆️
runtime.dotnet.exceptions.count	0 ± (0 - 0)	0 ± (0 - 0)	+0.0%	✅
runtime.dotnet.mem.committed	7.77 ± (7.76 - 7.77) MB	7.77 ± (7.77 - 7.78) MB	+0.1%	✅⬆️
runtime.dotnet.threads.count	10 ± (10 - 10)	10 ± (10 - 10)	+0.0%	✅
.NET 8 - Bailout
process.internal_duration_ms	19.19 ± (19.15 - 19.23) ms	19.37 ± (19.32 - 19.41) ms	+0.9%	✅⬆️
process.time_to_main_ms	73.67 ± (73.43 - 73.91) ms	73.78 ± (73.49 - 74.07) ms	+0.2%	✅⬆️
runtime.dotnet.exceptions.count	0 ± (0 - 0)	0 ± (0 - 0)	+0.0%	✅
runtime.dotnet.mem.committed	7.82 ± (7.81 - 7.82) MB	7.83 ± (7.83 - 7.84) MB	+0.2%	✅⬆️
runtime.dotnet.threads.count	11 ± (11 - 11)	11 ± (11 - 11)	+0.0%	✅
.NET 8 - CallTarget+Inlining+NGEN
process.internal_duration_ms	297.76 ± (295.42 - 300.10) ms	297.51 ± (294.92 - 300.10) ms	-0.1%	✅
process.time_to_main_ms	490.56 ± (489.75 - 491.38) ms	496.49 ± (495.33 - 497.65) ms	+1.2%	✅⬆️
runtime.dotnet.exceptions.count	0 ± (0 - 0)	0 ± (0 - 0)	+0.0%	✅
runtime.dotnet.mem.committed	38.07 ± (38.04 - 38.10) MB	38.11 ± (38.08 - 38.14) MB	+0.1%	✅⬆️
runtime.dotnet.threads.count	27 ± (27 - 27)	27 ± (27 - 27)	+0.0%	✅⬆️

HttpMessageHandler

Metric	Master (Mean ± 95% CI)	Current (Mean ± 95% CI)	Change	Status
.NET Framework 4.8 - Baseline
duration	191.33 ± (191.26 - 192.06) ms	211.51 ± (211.24 - 212.25) ms	+10.5%	❌⬆️
.NET Framework 4.8 - Bailout
duration	195.07 ± (195.02 - 195.45) ms	215.73 ± (215.40 - 216.45) ms	+10.6%	❌⬆️
.NET Framework 4.8 - CallTarget+Inlining+NGEN
duration	1174.32 ± (1175.82 - 1183.25) ms	1271.64 ± (1272.59 - 1280.91) ms	+8.3%	❌⬆️
.NET Core 3.1 - Baseline
process.internal_duration_ms	188.06 ± (187.65 - 188.47) ms	203.73 ± (203.24 - 204.21) ms	+8.3%	✅⬆️
process.time_to_main_ms	82.51 ± (82.23 - 82.78) ms	90.01 ± (89.74 - 90.29) ms	+9.1%	✅⬆️
runtime.dotnet.exceptions.count	3 ± (3 - 3)	3 ± (3 - 3)	+0.0%	✅
runtime.dotnet.mem.committed	16.24 ± (16.22 - 16.27) MB	16.11 ± (16.09 - 16.13) MB	-0.8%	✅
runtime.dotnet.threads.count	19 ± (19 - 20)	20 ± (20 - 20)	+1.3%	✅⬆️
.NET Core 3.1 - Bailout
process.internal_duration_ms	190.97 ± (190.58 - 191.36) ms	204.63 ± (204.11 - 205.14) ms	+7.1%	✅⬆️
process.time_to_main_ms	85.10 ± (84.91 - 85.28) ms	92.12 ± (91.82 - 92.42) ms	+8.3%	✅⬆️
runtime.dotnet.exceptions.count	3 ± (3 - 3)	3 ± (3 - 3)	+0.0%	✅
runtime.dotnet.mem.committed	16.29 ± (16.26 - 16.31) MB	16.18 ± (16.16 - 16.20) MB	-0.6%	✅
runtime.dotnet.threads.count	21 ± (20 - 21)	21 ± (21 - 21)	+1.7%	✅⬆️
.NET Core 3.1 - CallTarget+Inlining+NGEN
process.internal_duration_ms	380.59 ± (379.29 - 381.90) ms	404.74 ± (403.24 - 406.23) ms	+6.3%	✅⬆️
process.time_to_main_ms	535.63 ± (534.55 - 536.70) ms	572.53 ± (571.04 - 574.02) ms	+6.9%	✅⬆️
runtime.dotnet.exceptions.count	3 ± (3 - 3)	3 ± (3 - 3)	+0.0%	✅
runtime.dotnet.mem.committed	57.97 ± (57.91 - 58.02) MB	59.81 ± (59.72 - 59.89) MB	+3.2%	✅⬆️
runtime.dotnet.threads.count	30 ± (30 - 30)	30 ± (30 - 30)	+1.7%	✅⬆️
.NET 6 - Baseline
process.internal_duration_ms	190.92 ± (190.66 - 191.18) ms	209.12 ± (208.64 - 209.60) ms	+9.5%	✅⬆️
process.time_to_main_ms	71.56 ± (71.38 - 71.75) ms	79.20 ± (78.93 - 79.46) ms	+10.7%	✅⬆️
runtime.dotnet.exceptions.count	4 ± (4 - 4)	4 ± (4 - 4)	+0.0%	✅
runtime.dotnet.mem.committed	16.26 ± (16.11 - 16.42) MB	16.31 ± (16.29 - 16.34) MB	+0.3%	✅⬆️
runtime.dotnet.threads.count	18 ± (18 - 18)	20 ± (19 - 20)	+8.1%	✅⬆️
.NET 6 - Bailout
process.internal_duration_ms	190.81 ± (190.53 - 191.09) ms	209.50 ± (208.99 - 210.00) ms	+9.8%	✅⬆️
process.time_to_main_ms	72.65 ± (72.54 - 72.76) ms	80.77 ± (80.50 - 81.04) ms	+11.2%	✅⬆️
runtime.dotnet.exceptions.count	4 ± (4 - 4)	4 ± (4 - 4)	+0.0%	✅
runtime.dotnet.mem.committed	16.23 ± (16.08 - 16.39) MB	16.47 ± (16.45 - 16.49) MB	+1.5%	✅⬆️
runtime.dotnet.threads.count	20 ± (19 - 20)	21 ± (20 - 21)	+4.1%	✅⬆️
.NET 6 - CallTarget+Inlining+NGEN
process.internal_duration_ms	581.60 ± (579.18 - 584.03) ms	578.20 ± (575.62 - 580.79) ms	-0.6%	✅
process.time_to_main_ms	548.75 ± (547.20 - 550.29) ms	588.15 ± (586.73 - 589.57) ms	+7.2%	✅⬆️
runtime.dotnet.exceptions.count	4 ± (4 - 4)	4 ± (4 - 4)	+0.0%	✅
runtime.dotnet.mem.committed	61.65 ± (61.58 - 61.71) MB	61.54 ± (61.45 - 61.63) MB	-0.2%	✅
runtime.dotnet.threads.count	31 ± (31 - 31)	31 ± (31 - 31)	+0.1%	✅⬆️
.NET 8 - Baseline
process.internal_duration_ms	207.54 ± (207.15 - 207.93) ms	211.03 ± (210.52 - 211.53) ms	+1.7%	✅⬆️
process.time_to_main_ms	78.05 ± (77.77 - 78.32) ms	79.70 ± (79.39 - 80.02) ms	+2.1%	✅⬆️
runtime.dotnet.exceptions.count	4 ± (4 - 4)	4 ± (4 - 4)	+0.0%	✅
runtime.dotnet.mem.committed	11.72 ± (11.70 - 11.75) MB	11.75 ± (11.73 - 11.77) MB	+0.2%	✅⬆️
runtime.dotnet.threads.count	19 ± (19 - 19)	19 ± (19 - 19)	+1.0%	✅⬆️
.NET 8 - Bailout
process.internal_duration_ms	207.63 ± (207.18 - 208.07) ms	207.13 ± (206.68 - 207.58) ms	-0.2%	✅
process.time_to_main_ms	79.47 ± (79.25 - 79.68) ms	79.67 ± (79.40 - 79.94) ms	+0.3%	✅⬆️
runtime.dotnet.exceptions.count	4 ± (4 - 4)	4 ± (4 - 4)	+0.0%	✅
runtime.dotnet.mem.committed	11.79 ± (11.77 - 11.81) MB	11.83 ± (11.80 - 11.86) MB	+0.4%	✅⬆️
runtime.dotnet.threads.count	20 ± (20 - 20)	20 ± (20 - 20)	-0.1%	✅
.NET 8 - CallTarget+Inlining+NGEN
process.internal_duration_ms	514.54 ± (509.77 - 519.32) ms	509.03 ± (505.32 - 512.73) ms	-1.1%	✅
process.time_to_main_ms	525.91 ± (525.01 - 526.81) ms	532.04 ± (531.04 - 533.03) ms	+1.2%	✅⬆️
runtime.dotnet.exceptions.count	4 ± (4 - 4)	4 ± (4 - 4)	+0.0%	✅
runtime.dotnet.mem.committed	51.43 ± (51.37 - 51.48) MB	51.37 ± (51.33 - 51.41) MB	-0.1%	✅
runtime.dotnet.threads.count	30 ± (30 - 30)	30 ± (30 - 30)	+0.1%	✅⬆️

Comparison explanation

Execution-time benchmarks measure the whole time it takes to execute a program, and are intended to measure the one-off costs. Cases where the execution time results for the PR are worse than latest master results are highlighted in **red**. The following thresholds were used for comparing the execution times:

• Welch test with statistical test for significance of 5%
• Only results indicating a difference greater than 5% and 5 ms are considered.

Note that these results are based on a single point-in-time result for each branch. For full results, see the dashboard.

Graphs show the p99 interval based on the mean and StdDev of the test run, as well as the mean value of the run (shown as a diamond below the graph).

Duration charts

FakeDbCommand (.NET Framework 4.8)

gantt
    title Execution time (ms) FakeDbCommand (.NET Framework 4.8)
    dateFormat  x
    axisFormat %Q
    todayMarker off
    section Baseline
    This PR (8967) - mean (71ms)  : 68, 74
    master - mean (74ms)  : 70, 78

    section Bailout
    This PR (8967) - mean (75ms)  : 74, 77
    master - mean (76ms)  : 73, 80

    section CallTarget+Inlining+NGEN
    This PR (8967) - mean (1,091ms)  : 1043, 1138
    master - mean (1,089ms)  : 1038, 1139

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FakeDbCommand (.NET Core 3.1)

gantt
    title Execution time (ms) FakeDbCommand (.NET Core 3.1)
    dateFormat  x
    axisFormat %Q
    todayMarker off
    section Baseline
    This PR (8967) - mean (110ms)  : 107, 113
    master - mean (113ms)  : 108, 118

    section Bailout
    This PR (8967) - mean (111ms)  : 108, 114
    master - mean (112ms)  : 110, 114

    section CallTarget+Inlining+NGEN
    This PR (8967) - mean (789ms)  : 759, 819
    master - mean (781ms)  : 759, 804

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FakeDbCommand (.NET 6)

gantt
    title Execution time (ms) FakeDbCommand (.NET 6)
    dateFormat  x
    axisFormat %Q
    todayMarker off
    section Baseline
    This PR (8967) - mean (102ms)  : 96, 108
    master - mean (102ms)  : 96, 108

    section Bailout
    This PR (8967) - mean (102ms)  : 96, 107
    master - mean (99ms)  : 97, 102

    section CallTarget+Inlining+NGEN
    This PR (8967) - mean (946ms)  : 910, 982
    master - mean (942ms)  : 908, 975

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FakeDbCommand (.NET 8)

gantt
    title Execution time (ms) FakeDbCommand (.NET 8)
    dateFormat  x
    axisFormat %Q
    todayMarker off
    section Baseline
    This PR (8967) - mean (97ms)  : 94, 100
    master - mean (96ms)  : 93, 99

    section Bailout
    This PR (8967) - mean (101ms)  : 95, 108
    master - mean (101ms)  : 96, 105

    section CallTarget+Inlining+NGEN
    This PR (8967) - mean (825ms)  : 781, 869
    master - mean (819ms)  : 782, 856

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HttpMessageHandler (.NET Framework 4.8)

gantt
    title Execution time (ms) HttpMessageHandler (.NET Framework 4.8)
    dateFormat  x
    axisFormat %Q
    todayMarker off
    section Baseline
    This PR (8967) - mean (212ms)  : 206, 217
    master - mean (192ms)  : 188, 196

    section Bailout
    This PR (8967) - mean (216ms)  : crit, 211, 221
    master - mean (195ms)  : 193, 197

    section CallTarget+Inlining+NGEN
    This PR (8967) - mean (1,277ms)  : crit, 1215, 1339
    master - mean (1,180ms)  : 1127, 1233

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HttpMessageHandler (.NET Core 3.1)

gantt
    title Execution time (ms) HttpMessageHandler (.NET Core 3.1)
    dateFormat  x
    axisFormat %Q
    todayMarker off
    section Baseline
    This PR (8967) - mean (303ms)  : 297, 310
    master - mean (280ms)  : 272, 288

    section Bailout
    This PR (8967) - mean (306ms)  : crit, 299, 313
    master - mean (285ms)  : 280, 291

    section CallTarget+Inlining+NGEN
    This PR (8967) - mean (1,020ms)  : crit, 999, 1042
    master - mean (957ms)  : 933, 982

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HttpMessageHandler (.NET 6)

gantt
    title Execution time (ms) HttpMessageHandler (.NET 6)
    dateFormat  x
    axisFormat %Q
    todayMarker off
    section Baseline
    This PR (8967) - mean (298ms)  : 290, 306
    master - mean (272ms)  : 267, 276

    section Bailout
    This PR (8967) - mean (299ms)  : crit, 292, 307
    master - mean (272ms)  : 269, 275

    section CallTarget+Inlining+NGEN
    This PR (8967) - mean (1,206ms)  : 1173, 1238
    master - mean (1,164ms)  : 1119, 1208

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HttpMessageHandler (.NET 8)

gantt
    title Execution time (ms) HttpMessageHandler (.NET 8)
    dateFormat  x
    axisFormat %Q
    todayMarker off
    section Baseline
    This PR (8967) - mean (302ms)  : 293, 311
    master - mean (297ms)  : 289, 305

    section Bailout
    This PR (8967) - mean (298ms)  : 292, 303
    master - mean (298ms)  : 291, 304

    section CallTarget+Inlining+NGEN
    This PR (8967) - mean (1,079ms)  : 1007, 1150
    master - mean (1,076ms)  : 1007, 1145

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