x86-64

769 Questions
Newest Active Unanswered Frequent
Score
View
Card Compact
Why does GCC chose dword movl to copy a long shift count to CL?
user_141382830
•
2
2
150
x86-64 micro-optimization assembly gcc
How many bytes does it take to encode the assembly-code line "xorq, %rdx, %rdx"?
Admin1
•
2
2
893
x86-64 machine-code assembly
Segment fault Assembly NASM on print array values
user_141096800
•
2
0
78
nasm x86-64 assembly linux
sys_nanosleep inhibits movement of cursor in terminal
user_81155510
•
3
0
44
x86-64 system-calls x86 assembly
Checking if a uint8_t[8] contains any non 0s and accessing a non-zero slot with one memory load
user_113221310
•
2
1
151
x86-64 micro-optimization bit-manipulation assembly c++
Performance of a string operation with strlen vs stop on zero
Admin1
•
6
1
247
x86-64 gcc c++ string performance
Enabling AVX512 support on compilation significantly decreases performance
user_4656620
•
4
1
3254
avx512 x86-64 gcc linux performance
Dramatic slowdown of a function with AVX2
user_47518580
•
3
0
117
avx2 x86-64 visual-c++ c++ performance
Why linux nasm working even WITHOUT 16 bytes stack alignment
user_52536360
•
2
1
242
ubuntu-20.04 nasm x86-64 glibc assembly
optimizing percpu 2 level bit vector in restartable sequence on x86-64, skylake
user_113221310
•
2
0
127
x86-64 micro-optimization assembly linux-kernel c
Hot Questions