compiler-optimization

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How can I get the compiler to output faster code for a string search loop, using SIMD vectorization and/or parallelization?
user_14596690
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6
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203
compiler-optimization vectorization simd assembly c
why glibc memcpy not choose avx512 version?
user_14364500
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4
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1250
avx512 compiler-optimization glibc c
Why can't readonly field check be optimised out of a loop?
user_125338520
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2
3
136
compiler-optimization c#
Forcing clang to emit pmull2/umull2 variants of opcodes
user_17163390
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3
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106
compiler-optimization arm64 neon assembly
Is there a reason why Roslyn does not optimize multiple increments?
Admin1
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3
1
156
compiler-optimization x86-64 roslyn assembly c#
Why is ARM gcc calling __udivsi3 when dividing by a constant?
user_2715040
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4
3
728
compiler-optimization cortex-m integer-division arm gcc
Why doesn't Hotspot JIT perform loop unrolling for long counters?
user_33408290
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7
2
221
loop-unrolling compiler-optimization jvm-hotspot jit java
Why can't g++ (and clang++) avoid string construction here?
user_15930770
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2
0
57
copy-elision compiler-optimization clang++ g++ c++
Why aren't clang++ and g++ de-duplicating these instructions?
user_15930770
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2
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36
compiler-optimization clang++ redundancy g++ c++
GCC - Function inlining, LTO and optimizations
user_28560410
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3
2
637
compiler-optimization microbenchmark inlining assembly gcc
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