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New posts in cpu-architecture
Haswell memory access
Sep 12, 2022
performance
x86
cpu-architecture
avx2
intel-pmu
difference between speculation and prediction
Mar 08, 2022
cpu-architecture
prediction
speculative-execution
Why did Intel change the static branch prediction mechanism over these years?
Oct 01, 2022
x86
compiler-construction
intel
cpu-architecture
branch-prediction
Why are C++ int and long types both 4 bytes?
Sep 11, 2022
c++
cpu-architecture
Branch target prediction in conjunction with branch prediction?
Sep 06, 2022
x86
cpu-architecture
branch-prediction
Does a thread waiting on IO also block a core?
Sep 06, 2022
multithreading
asynchronous
blocking
synchronous
cpu-architecture
TLB misses vs cache misses?
Sep 06, 2022
performance
caching
operating-system
cpu-architecture
tlb
What is the purpose of the Parity Flag on a CPU?
Sep 06, 2022
assembly
cpu-architecture
parity
eflags
When an interrupt occurs, what happens to instructions in the pipeline?
Sep 14, 2022
interrupt
cpu-architecture
why are separate icache and dcache needed [duplicate]
Sep 05, 2022
caching
x86
cpu-architecture
cpu-cache
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
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