x86

1199 Questions
Newest Active Unanswered Frequent
Score
View
Card Compact
ADD slower than ADC in the first step of a bigint multiply on Coffee Lake (Skylake)
user_8992550
•
12
0
262
micro-optimization x86 assembly cpu-architecture performance
Stack cleanup in stdcall (callee-pops) for variable arguments
user_11718980
•
3
1
298
calling-convention x86 assembly variadic-functions
Is _mm_prefetch asynchronous? Profiling shows a lot of cycles on it
user_43941690
•
2
1
234
intrinsics prefetch x86 c++ performance
Why “movnti” followed by an “sfence” guarantees persistent ordering？
user_148836760
•
3
1
159
persistent-memory memory-barriers x86 cpu-architecture
Why does some Windows booloader code zero registers with `sub` instead of `xor`?
user_150479740
•
2
2
109
zero-initialization micro-optimization x86 assembly
Failed to reproduce the high-precision time measuring kernel module from intel's white paper
user_79749710
•
3
1
108
rdtsc microbenchmark benchmarking x86 linux
Double buffering in x86 VGA
user_65046330
•
2
1
322
double-buffering tasm blit x86 assembly
Understanding Executable code generated by MASM assembler
user_81435040
•
2
2
133
coff masm dos x86 assembly
Why is this jump instruction so expensive when performing pointer chasing?
user_65735100
•
3
1
233
perf pointers x86 assembly cpu-architecture
Tracing and disassembling Linux Kernel instructions not matching kernel image file
user_87515530
•
4
1
157
x86 assembly linux-kernel trace gcc
Hot Questions