micro-optimization

146 Questions
Newest Active Unanswered Frequent
Score
View
Card Compact
Should combining memory fence for mutex acquire-exchange loop (or queue acquire-load loop) be done or should it be avoided?
user_29450270
•
2
2
1518
memory-barriers arm micro-optimization cpu-architecture
How to instruct MS Visual C++ compiler to use an uninitialized __m512i register
user_18928140
•
4
1
177
avx512 intrinsics micro-optimization visual-c++ c++
Mixing SSE with AVX128 for shorter instructions?
user_4591500
•
3
1
255
avx micro-optimization sse x86 assembly
How can one figure out if a loop is being entered with a 16 byte aligned address in x86-64 assembly?
user_56262900
•
2
1
166
x86-64 micro-optimization memory-alignment assembly optimization
Is it faster to prepend to a string with substr?
user_1244860
•
6
1
117
substr micro-optimization benchmarking perl
Are two store buffer entries needed for split line/page stores on recent Intel?
user_1491380
•
9
0
170
micro-architecture micro-optimization intel x86 cpu-architecture
Set an XMM register to a repeating byte pattern (broadcast a constant byte)
user_122025360
•
2
1
598
micro-optimization sse2 sse assembly
What do multiple values or ranges means as the latency for a single instruction?
user_122025360
•
2
1
159
micro-optimization x86 assembly cpu-architecture performance
Why use push/pop instead of sub and mov?
user_39685750
•
4
1
1097
x86-64 micro-optimization x86 assembly cpu-architecture
how to optimize multi independent Conditional branch in Compare Function?
user_85930150
•
4
2
307
branch-prediction micro-optimization comparison c++ performance
Hot Questions