branch-prediction

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BR/RET timing discrepancy when returning from contrived subroutine to a modified return address
user_44803940
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2
1
97
arm64 branch-prediction arm assembly
constexpr function params for not known at compile time booleans C++
user_130244830
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2
1
153
constexpr variadic-templates branch-prediction templates c++
The pipeline execution diagram with or without a delay slot, with predict-taken
user_125527480
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2
0
467
mips branch-prediction pipeline assembly cpu-architecture
Is valgrind's cachegrind still the go-to tool in 2021?
user_24343480
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5
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200
cachegrind branch-prediction cpu-architecture profiling valgrind
Why do unconditional jumps take up BTB space?
user_458430
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3
0
166
branch-prediction cpu-architecture cpu performance
Why does a loop transitioning from having its uops fed by the Uop Cache to LSD cause a spike in branch-misses?
user_113221310
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4
2
272
micro-architecture branch-prediction x86-64 micro-optimization cpu-architecture
Can branch prediction be optimised when branching on constant data?
user_57459280
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3
0
140
branch-prediction x86 c++ performance
Why is processing an unsorted array the same speed as processing a sorted array with modern x86-64 clang?
user_7589860
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164
1
11318
branch-prediction clang cpu-architecture c++ performance
Correctly using C++20 `[likely]]`/`[[unlikely]]` in `switch` statements
user_6886240
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7
1
634
c++20 branch-prediction switch-statement attributes c++
Why does a high percentage of identical input data reduce performance?
user_83115670
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2
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83
branch-prediction micro-optimization optimization
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