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Commit Graph

7 Commits (1019cef329b508f0a9033b355cc18bf8026caf31)

Author	SHA1	Message	Date
Mirjana Vulin	8d2eb5fe58	mips: optimization for float aac decoder (sbr module) ... Signed-off-by: Mirjana Vulin <mvulin@mips.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Janne Grunau	f101eab1be	x86: call most of the x86 dsp init functions under if (ARCH_X86) ... Rename the called dsp init functions to *_init_x86.	12 years ago
Christophe GISQUET	dabf8dd34a	SBR DSP: unroll sum_square ... The length is even, so some unrolling can be performed. Timings are for x86: - 32bits: 102c -> 82c - 64bits: 82c -> 69c Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>	13 years ago
Christophe GISQUET	34454c761f	SBR DSP x86: implement SSE sbr_sum_square_sse ... The 32bits targets have been compiled with -mfpmath=sse for proper reference. sbr_sum_square C /32bits: 82c (unrolled)/102c C /64bits: 69c (unrolled)/82c SSE/32bits: 42c SSE/64bits: 31c Use of SSE4.1 dpps to perform the final sum is slower. Not unrolling to perform 8 operations in a loop yields 10 more cycles. Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>	13 years ago
Christophe GISQUET	2e74a5abc2	SBR DSP: use intptr_t for the ixh parameter. ... Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>	13 years ago
Mans Rullgard	be822d77b6	aacsbr: ARM NEON optimised sbrdsp functions ... Overall speedup of HE-AAC decoding 2.3x on Cortex-A8, 1.2x on A9. Signed-off-by: Mans Rullgard <mans@mansr.com>	13 years ago
Mans Rullgard	aac46e088d	aacsbr: move some simdable loops to function pointers ... This prepares for assembly optimisations by moving the most time-consuming loops to functions called through pointers in a new context. Signed-off-by: Mans Rullgard <mans@mansr.com>	13 years ago