x86-64

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Why does my buffer have more memory allocated on the stack than I asked for?
user_121806050
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4
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155
x86-64 stack-memory assembly c
Force RIP-relative access to fixed offset in NASM
user_85280140
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1
2
242
relative-addressing addressing-mode nasm x86-64 assembly
Are there performance advantages of 32 bit apps over 64 bit ones, on x86-64?
user_148769820
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2
3
546
x86-64 32bit-64bit x86 performance
Which architectures have modulo- / non-modulo-shifting?
user_64696900
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1
2
77
x86-64 bit-shift x86 assembly cpu-architecture
Assembly function address table and data under the function or in data section
user_142439900
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3
2
242
static-data x86-64 micro-optimization x86 assembly
Improving performance of a simple homebrewed JIT for a loop on a register machine VM
user_70590020
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2
1
126
jit x86-64 assembly optimization c
How does gdb start an assembly compiled program and step one line at a time?
user_129365360
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3
1
210
ptrace x86-64 assembly gdb linux
Accumulating a running-total (prefix sum) horizontally across an __m256i vector
user_2835530
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2
1
191
avx2 intrinsics vectorization x86-64 c
Why does my Intel Skylake / Kaby Lake CPU incur a mysterious factor 3 slowdown in a simple hash table implementation?
user_172114210
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79
1
5546
x86-64 gcc hashtable c++ performance
Why would one use "ret" instead of "call" to call a method?
user_118779950
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5
1
150
spectre osdev x86-64 assembly
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