Question

Declaring/initializing variables inside or outside of a double (or multiple) loop

score 163 · Answer 1 · 2025-01-06 00:32:07

163

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Declaring/initializing variables inside or outside of a double (or multiple) loop

Published on 06 January 2025 at 00:32

score 16.6k · Answer 2 · 2025-01-06 00:32:06

16.6k

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What's the easiest way to determine if a register's value is equal to zero or not?

Published on 06 January 2025 at 00:32

score 688 · Answer 3 · 2025-01-06 00:32:12

688

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Efficient UTF-8 character-length decoding for a non-zero character in a 32 bit register

Published on 06 January 2025 at 00:32

score 257 · Answer 4 · 2025-01-06 00:31:50

257

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Storing document and window references in an object to get better performance

Published on 06 January 2025 at 00:31

score 381 · Answer 5 · 2025-01-06 00:21:32

381

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c# Denormalized Floating Point: is "zero literal 0.0f" slow?

Published on 06 January 2025 at 00:21

score 4k · Answer 6 · 2025-01-06 00:32:10

4k

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Branch alignment for loops involving micro-coded instructions on Intel SnB-family CPUs

Published on 06 January 2025 at 00:32

score 149 · Answer 7 · 2025-01-03 22:38:36

149

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Sort pairs to be more consecutive

Published on 03 January 2025 at 22:38

score 42k · Answer 8 · 2024-12-26 22:15:37

42k

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What does `rep ret` mean?

Published on 26 December 2024 at 22:15

score 942 · Answer 9 · 2025-01-06 00:31:48

942

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Fast way to find an ascii character in long integers using bitwise operations?

Published on 06 January 2025 at 00:31

score 4.5k · Answer 10 · 2025-01-03 22:45:36

4.5k

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Using SIMD/AVX/SSE for tree traversal

Published on 03 January 2025 at 22:45

score 315 · Answer 11 · 2025-01-03 22:37:47

315

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Is there better option than map?

Published on 03 January 2025 at 22:37

score 1.2k · Answer 12 · 2025-01-06 00:32:04

1.2k

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Instruction reordering in x86 / x64 asm - performance optimisation with latest CPUs

Published on 06 January 2025 at 00:32

score 1.7k · Answer 13 · 2025-01-03 22:45:36

1.7k

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Do Dart property result need to cache?

Published on 03 January 2025 at 22:45

score 2.5k · Answer 14 · 2025-01-06 00:31:48

2.5k

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Can modern x86 implementations store-forward from more than one prior store?

Published on 06 January 2025 at 00:31

score 976 · Answer 15 · 2025-01-06 00:30:08

976

Views

What are the costs of failed store-to-load forwarding on x86?

Published on 06 January 2025 at 00:30

score 199 · Answer 16 · 2025-01-03 23:02:40

199

Views

Using IACA with non-assembly routine

Published on 03 January 2025 at 23:02

score 14k · Answer 17 · 2025-01-06 00:28:19

14k

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Why should code be aligned to even-address boundaries on x86?

Published on 06 January 2025 at 00:28

score 9.6k · Answer 18 · 2025-01-06 00:30:07

9.6k

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Is there a performance overhead to a private inner class in Java?

Published on 06 January 2025 at 00:30

score 433 · Answer 19 · 2025-01-06 00:31:43

433

Views

Fast search of some nibbles in two ints at same offset (C, microoptimisation)

Published on 06 January 2025 at 00:31

score 96 · Answer 20 · 2025-01-03 22:45:34

96

Views

Micro-optimization of IF statement

Published on 03 January 2025 at 22:45

List Question

Declaring/initializing variables inside or outside of a double (or multiple) loop

What's the easiest way to determine if a register's value is equal to zero or not?

Efficient UTF-8 character-length decoding for a non-zero character in a 32 bit register

Storing document and window references in an object to get better performance

c# Denormalized Floating Point: is "zero literal 0.0f" slow?

Branch alignment for loops involving micro-coded instructions on Intel SnB-family CPUs

Sort pairs to be more consecutive

What does `rep ret` mean?

Fast way to find an ascii character in long integers using bitwise operations?

Using SIMD/AVX/SSE for tree traversal

Is there better option than map?

Instruction reordering in x86 / x64 asm - performance optimisation with latest CPUs

Do Dart property result need to cache?

Can modern x86 implementations store-forward from more than one prior store?

What are the costs of failed store-to-load forwarding on x86?

Using IACA with non-assembly routine

Why should code be aligned to even-address boundaries on x86?

Is there a performance overhead to a private inner class in Java?

Fast search of some nibbles in two ints at same offset (C, microoptimisation)

Micro-optimization of IF statement

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