x86

1199 Questions
Newest Active Unanswered Frequent
Score
View
Card Compact
Why is LOCK a full barrier on x86?
user_13321710
•
6
1
741
memory-barriers x86 cpu-architecture
Unexpectedly high latency spikes measured with hwlat
user_122857290
•
2
0
146
preempt-rt x86 real-time linux performance
Kernel.c not executing complete code [OS from scratch]
user_122847870
•
3
1
164
bootloader osdev kernel x86 assembly
Does Skylake need vzeroupper for turbo clocks to recover after a 512-bit instruction that only reads a ZMM register, writing a k mask?
user_2241320
•
10
1
622
avx512 micro-optimization intel x86 assembly
Long latency instruction
user_1491380
•
3
2
387
microbenchmark micro-optimization x86 cpu-architecture optimization
Storing a general purpose register in st0
user_1491380
•
2
2
689
x87 x86-64 floating-point x86
Problem with BIOS INT 13H (Read Sectors From Drive)
user_41592730
•
3
1
874
bios bootloader virtualbox x86 assembly
AVX512BW: handle 64-bit mask in 32-bit code with bsf / tzcnt?
user_122025360
•
2
2
379
avx512 micro-optimization 32-bit x86 assembly
Clang compiler (x86): 80 bit long double
user_122696050
•
4
0
522
x87 long-double clang x86 c++
Does SSE/AVX provide a means of determining if a result was rounded up?
user_106243550
•
4
1
349
avx simd sse x86 rounding
Hot Questions