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Author	SHA1	Message	Date
Yunqing Wang	7e3a1e7361	Fix full-search SAD function crash in Visual Studio Unlike GCC, Visual Studio compiler doesn't allocate SAD output array 16-byte aligned, which causes crash in visual studio. Change-Id: Ia755cf5a807f12929bda8db94032bb3c9d0c2362	2010-10-28 15:26:58 -04:00
Yunqing Wang	71ecb5d7d9	Full search SAD function optimization in SSE4.1 Use mpsadbw, and calculate 8 sad at once. Function list: vp8_sad16x16x8_sse4 vp8_sad16x8x8_sse4 vp8_sad8x16x8_sse4 vp8_sad8x8x8_sse4 vp8_sad4x4x8_sse4 (test clip: tulip) For best quality mode, this gave encoder a 5% performance boost. For good quality mode with speed=1, this gave encoder a 3% performance boost. Change-Id: I083b5a39d39144f88dcbccbef95da6498e490134	2010-10-27 13:36:31 -04:00

Author

SHA1

Message

Date

Yunqing Wang

7e3a1e7361

Fix full-search SAD function crash in Visual Studio

Unlike GCC, Visual Studio compiler doesn't allocate SAD output
array 16-byte aligned, which causes crash in visual studio.

Change-Id: Ia755cf5a807f12929bda8db94032bb3c9d0c2362

2010-10-28 15:26:58 -04:00

Yunqing Wang

71ecb5d7d9

Full search SAD function optimization in SSE4.1

Use mpsadbw, and calculate 8 sad at once. Function list:
vp8_sad16x16x8_sse4
vp8_sad16x8x8_sse4
vp8_sad8x16x8_sse4
vp8_sad8x8x8_sse4
vp8_sad4x4x8_sse4

(test clip: tulip)
For best quality mode, this gave encoder a 5% performance boost.
For good quality mode with speed=1, this gave encoder a 3%
performance boost.

Change-Id: I083b5a39d39144f88dcbccbef95da6498e490134

2010-10-27 13:36:31 -04:00

2 Commits