On 12/22/2023 8:08 PM, Michael Niedermayer wrote:
On Thu, Dec 21, 2023 at 10:15:49PM -0300, James Almer wrote:
On an Intel Core i7 12700k:
decorrelate_ls_c: 814.3
decorrelate_ls_sse2: 165.8
decorrelate_ls_avx2: 101.3
decorrelate_sf_c: 1602.6
decorrelate_sf_sse4: 640.1
decorrelate_sf_avx2: 324.6
decorrelate_sm_c: 1564.8
decorrelate_sm_sse2: 379.3
decorrelate_sm_avx2: 203.3
decorrelate_sr_c: 785.3
decorrelate_sr_sse2: 176.3
decorrelate_sr_avx2: 99.8
Signed-off-by: James Almer <jamr...@gmail.com>
on AMD Ryzen 9 3950X 16-Core Processor
Illegal instruction (core dumped)
threads=1
tests/Makefile:308: recipe for target 'fate-lossless-tak' failed
make: *** [fate-lossless-tak] Error 132
(gdb) disassemble $rip-32, $rip+32
Dump of assembler code from 0x55555651a580 to 0x55555651a5c0:
0x000055555651a580: or $0x17,%al
0x000055555651a582: movdqa %xmm1,(%rdi,%rdx,1)
0x000055555651a587: add $0x10,%rdx
0x000055555651a58b: jl 0x55555651a562
0x000055555651a58d: retq
0x000055555651a58e: nop
0x000055555651a58f: nop
0x000055555651a590: shl $0x2,%edx
0x000055555651a593: add %rdx,%rdi
0x000055555651a596: add %rdx,%rsi
0x000055555651a599: neg %rdx
0x000055555651a59c: vmovd %ecx,%xmm2
=> 0x000055555651a5a0: vpbroadcastd %r8d,%ymm3
Right, on linux the fifth argument is on a gpr, and vpbroadcastd with
gpr source is avx512.
Will fix and resend.
0x000055555651a5a6: vbroadcasti128 0x4bc751(%rip),%ymm4 #
0x5555569d6d00
0x000055555651a5af: vmovdqa (%rsi,%rdx,1),%ymm1
0x000055555651a5b4: vpsrad %xmm2,%ymm1,%ymm1
0x000055555651a5b8: vpmulld %ymm3,%ymm1,%ymm1
0x000055555651a5bd: vpaddd %ymm4,%ymm1,%ymm1
End of assembler dump.
[...]
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