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New posts in cpu-architecture
Are there any modern CPUs where a cached byte store is actually slower than a word store?
Apr 23, 2022
performance
x86
arm
cpu-architecture
cpu-cache
What does the ARM7 IT (if then) instruction really do?
Aug 24, 2022
arm
cpu-architecture
machine-instruction
How can x86 bsr/bsf have fixed latency, not data dependent? Doesn't it loop over bits like the pseudocode shows?
Feb 21, 2022
performance
assembly
x86
intel
cpu-architecture
Parallel programming using Haswell architecture [closed]
Apr 12, 2015
sse
cpu-architecture
avx
avx2
Return stack buffer?
Feb 20, 2020
x86
cpu
cpu-architecture
branch-prediction
micro-architecture
Condition for memory access conflict in memory-banked vector processors
Apr 11, 2022
vectorization
hardware
cpu-architecture
processor
Cache-as-Ram (no fill mode) Executable Code
Nov 13, 2022
x86
cpu-architecture
cpu-cache
osdev
What are the costs of failed store-to-load forwarding on x86?
Jun 12, 2022
x86
intel
cpu-architecture
micro-optimization
amd-processor
NAN propagation and IEEE 754 standard
Oct 14, 2022
c++
floating-point
nan
cpu-architecture
ieee-754
Why does the latency of the sqrtsd instruction change based on the input? Intel processors
Aug 25, 2022
c
performance
assembly
intel
cpu-architecture
Why flush the pipeline for Memory Order Violation caused by other logical processors?
Apr 21, 2022
assembly
x86
cpu-architecture
memory-barriers
speculative-execution
What is instruction fusion in contemporary x86 processors?
Mar 29, 2021
assembly
x86
cpu-architecture
Is it possible to detect processor architecture in java? [duplicate]
Oct 30, 2022
java
cpu-architecture
Why are registers needed (why not only use memory)? [duplicate]
Aug 17, 2022
performance
assembly
cpu-architecture
cpu-registers
x86 32 bit opcodes that differ in x86-x64 or entirely removed
Oct 18, 2022
assembly
x86
x86-64
cpu-architecture
opcode
I get 'A 32 bit processes cannot access modules of a 64 bit process.' exception invoking Process.Start()
Apr 03, 2020
c#
cpu-architecture
how long is a memory address typically in bits
Sep 18, 2022
memory
byte
word
cpu-architecture
processor
Why doesn't my processor have built-in BigInt support?
Jul 05, 2022
biginteger
cpu-architecture
processor
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