x86-64

769 Questions
Newest Active Unanswered Frequent
Score
View
Card Compact
C# compiled into assembly. Why does it take longer to run fewer assembly instructions?
user_1039590
•
4
0
90
amd-processor x86-64 assembly cpu-architecture c#
C++ calling convention for passing big objects on Linux/x86-84
user_143332800
•
6
1
214
x86-64 calling-convention assembly linux c++
Non-temporal store to bypass L1/L2 but cache in L3 to be read by another core
John_Zwinck_43230
•
2
0
170
x86-64 cpu-cache assembly caching multithreading
Why does this function run so much faster when it makes an extra read of memory?
user_118758450
•
16
1
332
x86-64 clang assembly cpu-architecture performance
PMC to count if software prefetch hit L1 cache
user_113221310
•
3
1
270
intel-pmu memory-barriers x86-64 performancecounter intel
Why "mov %%rsp, %%rbp" causing Segmentation fault?
user_140908170
•
3
2
786
x86-64 inline-assembly segmentation-fault c
Understanding factors in latency bounded memcpy/memset x86_64
user_113221310
•
2
0
159
memory-bandwidth memcpy x86-64 intel cpu-architecture
x86 SIMD instructions 16 byte alignment in assembly (Without C intrinsics)
user_141529960
•
3
1
685
x86-64 simd memory-alignment sse assembly
On x86-64, is the “movnti” or "movntdq" instruction atomic when system crash?
user_148836760
•
5
1
521
persistent-memory x86-64 atomic sse cpu-architecture
Does a Length-Changing Prefix (LCP) incur a stall on a simple x86_64 instruction?
user_46035070
•
4
1
399
x86-64 micro-optimization assembly cpu-architecture performance
Hot Questions