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New posts in cpu-architecture
How to target multiple architectures using NDK?
Mar 21, 2022
android
android-ndk
java-native-interface
cpu-architecture
Why doesn't GCC use partial registers?
Apr 21, 2021
assembly
gcc
x86
x86-64
cpu-architecture
Difference between word addressable and byte addressable
Sep 05, 2022
memory
operating-system
cpu-architecture
How prevalent is branch prediction on current CPUs?
Sep 04, 2022
arm
cpu-architecture
branch-prediction
Branch Prediction and Division By Zero
Sep 04, 2022
c++
optimization
error-handling
cpu-architecture
branch-prediction
What does the R stand for in RAX, RBX, RCX, RDX, RSI, RDI, RBP, RSP? [duplicate]
Sep 04, 2022
assembly
x86
x86-64
cpu-registers
cpu-architecture
intel
Differences between arm "versions?" (ARMv7 only)
Sep 04, 2022
linux
arm
cpu-architecture
abi
What happens after a L2 TLB miss?
Oct 31, 2022
performance
x86
cpu
cpu-architecture
tlb
What's the purpose of the rotate instructions (ROL, RCL on x86)?
Sep 03, 2022
assembly
x86
cpu-architecture
bit-shift
instruction-set
Cycles/cost for L1 Cache hit vs. Register on x86?
Sep 03, 2022
performance
x86
cpu-architecture
cpu-cache
micro-optimization
Is performance reduced when executing loops whose uop count is not a multiple of processor width?
Sep 10, 2022
performance
assembly
x86
cpu-architecture
micro-optimization
What is locality of reference?
Sep 03, 2022
caching
memory
cpu-architecture
cpu-cache
Lost Cycles on Intel? An inconsistency between rdtsc and CPU_CLK_UNHALTED.REF_TSC
Aug 31, 2019
performance
x86
x86-64
cpu-architecture
rdtsc
What is meant by data cache and instruction cache?
Sep 24, 2022
assembly
arm
cpu-architecture
cpu-cache
What exactly is a dual-issue processor?
Dec 25, 2018
embedded
arm
pipeline
cpu-architecture
Why does breaking the "output dependency" of LZCNT matter?
Mar 16, 2022
performance
assembly
x86
cpu-architecture
micro-optimization
Which CPU architectures support Compare And Swap (CAS)?
Sep 01, 2022
multithreading
multicore
atomic
cpu-architecture
Temporal vs Spatial Locality with arrays
Sep 01, 2022
arrays
caching
cpu-architecture
cpu-cache
Why is the size of L1 cache smaller than that of the L2 cache in most of the processors?
Aug 31, 2022
caching
memory
cpu-architecture
processor
cpu-cache
Why is Intel Haswell XEON CPU sporadically miscomputing FFTs and ART?
Sep 25, 2022
intel
cpu-architecture
processor
avx2
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