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New posts in avx
GCC emits vastly different code using "-march=native" on similar architectures
Sep 10, 2022
c
gcc
assembly
sse
avx
How to quickly count bits into separate bins in a series of ints on Sandy Bridge? [duplicate]
Oct 31, 2022
c++
assembly
x86
simd
avx
Scatter intrinsics in AVX
Feb 20, 2022
intrinsics
avx
avx2
Vectorizing with unaligned buffers: using VMASKMOVPS: generating a mask from a misalignment count? Or not using that insn at all
Feb 17, 2022
gcc
assembly
x86
sse
avx
RyuJIT not making full use of SIMD intrinsics
Nov 01, 2022
c#
sse
simd
avx
ryujit
Unaligned load versus unaligned store
Dec 01, 2020
c++
performance
x86
memory-alignment
avx
When the compiler reorders AVX instructions on Sandy, does it affect performance?
Mar 05, 2022
c
performance
optimization
intrinsics
avx
Is it worth bothering to align AVX-256 memory stores?
Mar 16, 2022
performance
assembly
x86-64
memory-alignment
avx
intel
Why do SSE instructions preserve the upper 128-bit of the YMM registers?
Sep 17, 2022
performance
x86
avx
Is NOT missing from SSE, AVX?
Feb 02, 2022
x86
bit-manipulation
simd
sse
avx
How to solve the 32-byte-alignment issue for AVX load/store operations?
Jun 26, 2022
c++
sse
simd
memory-alignment
avx
Transpose an 8x8 float using AVX/AVX2
Feb 24, 2022
simd
avx
avx2
How to find the horizontal maximum in a 256-bit AVX vector
Mar 28, 2014
x86
simd
avx
vector-processing
avx2
AVX VMOVDQA slower than two SSE MOVDQA?
Mar 25, 2022
assembly
sse
bignum
arbitrary-precision
avx
How to sum __m256 horizontally?
Sep 03, 2021
sse
vectorization
intrinsics
avx
Loop unrolling to achieve maximum throughput with Ivy Bridge and Haswell
Aug 30, 2022
c++
x86
intel
sse
avx
Does ICC satisfy C99 specs for multiplication of complex numbers?
Oct 24, 2022
c
assembly
complex-numbers
avx
icc
How to rotate an SSE/AVX vector
Oct 11, 2018
c
x86
sse
intrinsics
avx
Disable AVX-optimized functions in glibc (LD_HWCAP_MASK, /etc/ld.so.nohwcap) for valgrind & gdb record
Mar 03, 2022
linux
linker
gdb
glibc
avx
Choice between aligned vs. unaligned x86 SIMD instructions
Aug 11, 2022
x86
sse
simd
avx
avx512
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