build: pin -std=c11 for instrument-hooks core.c#53
Open
not-matthias wants to merge 2 commits into
Open
CodSpeed HQ / CodSpeed Performance Analysis
succeeded
Jun 24, 2026
Performance Gate Passed
⚠️ Unknown Walltime execution environment detected
Using the Walltime instrument on standard Hosted Runners will lead to inconsistent data.
For the most accurate results, we recommend using CodSpeed Macro Runners: bare-metal machines fine-tuned for performance measurement consistency.
⚡ 8 improved benchmarks
✅ 454 untouched benchmarks
Performance Changes
| Mode | Benchmark | BASE |
HEAD |
Efficiency | |
|---|---|---|---|---|---|
| ⚡ | WallTime | BM_FibonacciRecursive_Darwin[35] |
37.5 ms | 28.3 ms | +32.59% |
| ⚡ | WallTime | BM_Vector_Reserve[10000] |
36.1 µs | 31.2 µs | +15.62% |
| ⚡ | WallTime | BM_Vector_PushBack[10000] |
39.3 µs | 34 µs | +15.48% |
| ⚡ | WallTime | BM_Vector_PushBack[1000] |
4.3 µs | 3.7 µs | +14.94% |
| ⚡ | WallTime | BM_Vector_Reserve[1000] |
3.6 µs | 3.2 µs | +13.91% |
| ⚡ | WallTime | BM_FibonacciRecursive_Darwin[35] |
31.6 ms | 28.3 ms | +11.68% |
| ⚡ | WallTime | BM_RLE_Decode[10000] |
24.6 µs | 22.1 µs | +11.51% |
| ⚡ | WallTime | BM_Vector_Reserve[100] |
390.5 ns | 350.7 ns | +11.34% |
Tip
Curious why this is faster? Comment @codspeedbot explain why this is faster on this PR, or directly use the CodSpeed MCP with your agent.
Comparing cod-2953-use-stdc11-for-instrument-hooks-in-integrations (76985b6) with main (e47ecff)
Loading