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New posts in cpu-architecture
Calculating execution time for 2-threaded CPUs?
Feb 27, 2026
multithreading
operating-system
cpu-architecture
Why do longer pipelines make a single delay slot insufficient?
Feb 26, 2026
cpu-architecture
How is a critical path formed when there is a data dependency between a loop iterations while a CPU executing instructions?
Feb 26, 2026
performance
assembly
x86-64
cpu-architecture
micro-optimization
What causes kernel memory operations in perf stats for an userspace-only process?
Feb 25, 2026
c++
performance
x86
cpu-architecture
perf
Load/stores per cycle for recent CPU architecture generations
Feb 25, 2026
performance
x86
cpu
cpu-architecture
memory-bandwidth
What happens to the cache-lines for a page when the page is swapped out to the disk?
Feb 24, 2026
caching
operating-system
paging
cpu-architecture
MSI: Why do we need to write the line back when other CPU is going to override it?
Feb 22, 2026
cpu-architecture
cpu-cache
Does INVLPG instruction or mprotect() affect the CPU cache state while invalidating TLB entries?
Feb 22, 2026
assembly
x86
cpu-architecture
cpu-cache
tlb
Memory latency measurement with time stamp counter
Feb 20, 2026
c
performance
x86
cpu-architecture
tsc
How to tell if a number is exactly representable as a 32-bit IEEE float?
Feb 20, 2026
floating-point
binary
bit
cpu-architecture
ieee-754
CPU Cache implementation in C or C++ or SystemC
Feb 19, 2026
c++
c
hardware
modeling
cpu-architecture
How to create binary Debian package (s) for several architectures?
Feb 19, 2026
binary
debian
package
cpu-architecture
How to explain poor performance on Xeon processors for a loop with both sequential copy and a scattered store?
Feb 16, 2026
performance
intel
cpu-architecture
cpu-cache
amd-processor
Direct Memory Access
Feb 17, 2026
cpu-architecture
dma
Would unconditional jump flush the pipeline on x86_64?
Feb 06, 2026
optimization
assembly
x86
cpu
cpu-architecture
What does it mean to "train" a branch predictor?
Feb 06, 2026
security
cpu
cpu-architecture
cpu-cache
branch-prediction
Does the VMX mode have the capability to detect previously non-trappable sensitive instructions?
Feb 05, 2026
x86
intel
cpu-architecture
processor
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