micro-optimization

146 Questions
Newest Active Unanswered Frequent
Score
View
Card Compact
Is it possible to get the unsigned integer quotient and remained at once in C?
user_162172480
•
2
1
85
micro-optimization unsigned-integer division c performance
Do 32-bit and 64-bit registers cause differences in CPU micro architecture?
user_171878360
•
4
1
250
x86-64 micro-optimization intel assembly cpu-architecture
How to extract bitfield of loop-invariant size with varying start?
user_175028860
•
3
0
189
bmi x86-64 micro-optimization assembly performance
Why doesn’t Clang use vcnt for __builtin_popcountll on AArch32?
user_18133490
•
3
1
345
neon arm micro-optimization bit-manipulation clang
How to write a custom exception class derived from std::invalid_argument?
user_134078020
•
5
2
761
c-strings micro-optimization stdstring exception c++
C++ different using declarations for different concepts
user_74872830
•
2
3
108
c++-concepts c++20 micro-optimization optimization c++
Assembly function address table and data under the function or in data section
user_142439900
•
3
2
242
static-data x86-64 micro-optimization x86 assembly
When source registers in avx instruction can be reused
user_30129290
•
3
2
202
avx micro-optimization simd assembly cpu-architecture
Why does clang's epilogue use `add $N, %rsp` instead of `mov %rbp, %rsp` to restore `%rsp`?
user_72751140
•
3
1
185
x86-64 micro-optimization clang assembly
Which sequence of instructions has better performance for zeroing one register or another?
user_36704730
•
3
2
146
mips micro-optimization assembly cpu-architecture performance
Hot Questions