Status: New Owner: ---- New issue 1012 by danielheres: Slow Float32Array, Int32Array http://code.google.com/p/v8/issues/detail?id=1012
Chromium is quite a bit slower than Minefield with typed arrays. For example glmatrix (which relies heavy on it): http://glmatrix.googlecode.com/hg/benchmark/matrix_benchmark.html First one v8 (latest build), second tm+jm (Minefield). Multiplication glMatrix - Avg: 16.3ms, Min: 12ms, Max: 34ms glMatrix - Avg: 4.1ms, Min: 3ms, Max: 6ms Translation glMatrix - Avg: 5.9ms, Min: 5ms, Max: 10ms glMatrix - Avg: 1.5ms, Min: 1ms, Max: 2ms Scaling glMatrix - Avg: 6.2ms, Min: 5ms, Max: 10ms glMatrix - Avg: 1.4ms, Min: 1ms, Max: 2ms Rotation (Arbitrary axis) glMatrix - Avg: 9.4ms, Min: 8ms, Max: 14ms glMatrix - Avg: 6.1ms, Min: 6ms, Max: 7ms Rotation (X axis) glMatrix - Avg: 8.7ms, Min: 8ms, Max: 11ms glMatrix - Avg: 5.9ms, Min: 5ms, Max: 6ms Transpose glMatrix - Avg: 4.1ms, Min: 3ms, Max: 8ms glMatrix - Avg: 1.2ms, Min: 1ms, Max: 2ms Inverse glMatrix - Avg: 9.5ms, Min: 9ms, Max: 14ms glMatrix - Avg: 3.8ms, Min: 3ms, Max: 6ms Inverse 3x3 glMatrix - Avg: 6.3ms, Min: 5ms, Max: 11ms glMatrix - Avg: 1.9ms, Min: 1ms, Max: 3ms Vector Transformation glMatrix - Avg: 4ms, Min: 3ms, Max: 6ms glMatrix - Avg: 1.4ms, Min: 1ms, Max: 2ms -- v8-dev mailing list [email protected] http://groups.google.com/group/v8-dev
