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perf(native): use simd to speedup audio buffer mix (#11717)

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Run `cargo bench -p affine_media_capture`

```
test result: ok. 0 passed; 0 failed; 6 ignored; 0 measured; 0 filtered out; finished in 0.00s

     Running benches/mix_audio_samples.rs (target/release/deps/mix_audio_samples-ffbc55dcf90d3468)
audio mix/simd          time:   [98.380 ns 99.339 ns 100.57 ns]
                        change: [−19.199% −16.928% −14.569%] (p = 0.00 < 0.05)
                        Performance has improved.
Found 12 outliers among 100 measurements (12.00%)
  6 (6.00%) high mild
  6 (6.00%) high severe
audio mix/scalar        time:   [123.99 ns 126.11 ns 128.71 ns]
                        change: [+0.2703% +1.2739% +2.5727%] (p = 0.02 < 0.05)
                        Change within noise threshold.
Found 11 outliers among 100 measurements (11.00%)
  4 (4.00%) high mild
  7 (7.00%) high severe
```
This commit is contained in:
Brooooooklyn
2025-04-16 00:42:30 +00:00
parent e0970daa5a
commit fe86722845
6 changed files with 353 additions and 13 deletions
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.cargo/config.toml
+1 -1
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@@ -5,7 +5,7 @@ rustflags = ["-C", "target-feature=+crt-static"]
[target.'cfg(target_os = "linux")']
rustflags = ["-C", "link-args=-Wl,--warn-unresolved-symbols"]
[target.'cfg(target_os = "macos")']
rustflags = ["-C", "link-args=-all_load", "-C", "link-args=-weak_framework ScreenCaptureKit"]
rustflags = ["-C", "link-args=-Wl,-undefined,dynamic_lookup,-no_fixup_chains", "-C", "link-args=-all_load", "-C", "link-args=-weak_framework ScreenCaptureKit"]
# https://sourceware.org/bugzilla/show_bug.cgi?id=21032
# https://sourceware.org/bugzilla/show_bug.cgi?id=21031
# https://github.com/rust-lang/rust/issues/134820