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Commit Graph

2 Commits (770a5c6d025e9c8eb3f5aba9cf1d7d7938fb918a)

Author	SHA1	Message	Date
Christophe Gisquet	e5c9de2ab7	rv40: x86 SIMD for biweight ... Provide MMX, SSE2 and SSSE3 versions, with a fast-path when the weights are multiples of 512 (which is often the case when the values round up nicely). *_TIMER report for the 16x16 and 8x8 cases: C: 9015 decicycles in 16, 524257 runs, 31 skips 2656 decicycles in 8, 524271 runs, 17 skips MMX: 4156 decicycles in 16, 262090 runs, 54 skips 1206 decicycles in 8, 262131 runs, 13 skips MMX on fast-path: 2760 decicycles in 16, 524222 runs, 66 skips 995 decicycles in 8, 524252 runs, 36 skips SSE2: 2163 decicycles in 16, 262131 runs, 13 skips 832 decicycles in 8, 262137 runs, 7 skips SSE2 with fast path: 1783 decicycles in 16, 524276 runs, 12 skips 711 decicycles in 8, 524283 runs, 5 skips SSSE3: 2117 decicycles in 16, 262136 runs, 8 skips 814 decicycles in 8, 262143 runs, 1 skips SSSE3 with fast path: 1315 decicycles in 16, 524285 runs, 3 skips 578 decicycles in 8, 524286 runs, 2 skips This means around a 4% speedup for some sequences. Signed-off-by: Diego Biurrun <diego@biurrun.de>	13 years ago
Diego Biurrun	91bafb52ae	x86: Give RV40 init file a more suitable name.	13 years ago
Diego Biurrun	c30b198381	x86: Place mm_flags variable declaration below the appropriate #ifdef. ... This fixes some unused variable warnings with YASM disabled.	13 years ago
Kostya Shishkov	d241f51e0f	Move RV3/4-specific DSP functions into their own context ... Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>	13 years ago