micro-optimization

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Understanding `_mm_prefetch`
user_43941690
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3
2
1450
intrinsics micro-optimization prefetch c++ performance
Does a Length-Changing Prefix (LCP) incur a stall on a simple x86_64 instruction?
user_46035070
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4
1
399
x86-64 micro-optimization assembly cpu-architecture performance
jump/jump compilation strategy for stackless functions. (Using a link register manually instead of call/ret)
user_8900160
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3
2
162
calling-convention micro-optimization x86 assembly compiler-construction
Parsing binary file too slow in C++ using memory-mapped files
user_37648040
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8
2
661
memory-mapped-files micro-optimization optimization c++
Timing of executing 8 bit and 64 bit instructions on 64 bit x64/Amd64 processors
user_24957760
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2
1
208
x86-64 micro-optimization assembly 64-bit performance
Is it possible to "skip" the branch predictor when you know the path ahead of time?
user_129365360
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2
1
122
branch-prediction x86-64 micro-optimization assembly optimization
Does it cost significant resources for a modern CPU to keep flags updated?
user_458430
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5
1
167
eflags micro-optimization assembly cpu-architecture performance
Why is POP slow when using register R12?
user_104619730
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7
1
293
micro-optimization intel x86 cpu-architecture performance
Understanding the optimization order for vpermd (or vpermps)
user_113221310
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2
1
248
avx x86-64 micro-optimization assembly
Efficient computation of the average of three unsigned integers (without overflow)
user_7807170
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24
7
980
extended-precision micro-optimization bit-manipulation c algorithm
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