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[zmath] Replace swizzles with shuffles & remove some unnecessary math complexity to increase perf. #637

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[zmath] Replace swizzles with shuffles & remove some unnecessary math complexity to increase perf. #637

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c40e647
Replace swizzles with shuffles, remove unnecessary math complexity
dmurph Jul 14, 2024
c2c705a
Upgrade all swizzles
dmurph Jul 15, 2024
351559a
using std.simd.iota
dmurph Jul 15, 2024
0bdda7d
updated benchmark data
dmurph Jul 15, 2024
51db2cc
whoops
dmurph Jul 15, 2024
c18ed5b
revert and fix
dmurph Jul 18, 2024
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12 changes: 6 additions & 6 deletions libs/zmath/src/benchmark.zig
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Expand Up @@ -22,13 +22,13 @@
// wave benchmark (SOA) - scalar version: 3.6598s, zmath version: 0.4231s
//
// -------------------------------------------------------------------------------------------------
// 'Apple M1 Max', macOS Version 12.4, Zig 0.10.0-dev.2657+74442f350, ReleaseFast
// 'Apple M1 Pro', macOS Version 12.5, Zig 0.13.0, ReleaseFast
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happy to revert this if you like - or you can re-try with m1 max and do follow-up patch.

// -------------------------------------------------------------------------------------------------
// matrix mul benchmark (AOS) - scalar version: 1.0297s, zmath version: 1.0538s
// cross3, scale, bias benchmark (AOS) - scalar version: 0.6294s, zmath version: 0.6532s
// cross3, dot3, scale, bias benchmark (AOS) - scalar version: 0.9807s, zmath version: 1.0988s
// quaternion mul benchmark (AOS) - scalar version: 1.5413s, zmath version: 0.7800s
// wave benchmark (SOA) - scalar version: 3.4220s, zmath version: 1.0255s
// matrix mul benchmark (AOS) - scalar version: 0.9970s, zmath version: 0.9777s
// cross3, scale, bias benchmark (AOS) - scalar version: 0.6250s, zmath version: 0.6423s
// cross3, dot3, scale, bias benchmark (AOS) - scalar version: 0.9822s, zmath version: 0.9717s
// quaternion mul benchmark (AOS) - scalar version: 0.9872s, zmath version: 0.7767s
// wave benchmark (SOA) - scalar version: 3.3965s, zmath version: 1.0280s
//
// -------------------------------------------------------------------------------------------------
// '11th Gen Intel(R) Core(TM) i7-11800H @ 2.30GHz', Windows 11, Zig 0.10.0-dev.2620+0e9458a3f, ReleaseFast
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