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New posts in cpu-architecture
Write-back vs Write-Through caching?
caching
cpu-architecture
cpu-cache
Size of store buffers on Intel hardware? What exactly is a store buffer?
performance
assembly
x86
intel
cpu-architecture
Bubble sort slower with -O3 than -O2 with GCC
c
gcc
x86-64
cpu-architecture
compiler-optimization
Maximum memory which malloc can allocate
c
memory-management
operating-system
malloc
cpu-architecture
FLOPS per cycle for sandy-bridge and haswell SSE2/AVX/AVX2
cpu
intel
cpu-architecture
avx
flops
Slow jmp-instruction
assembly
x86
intel
cpu-architecture
branch-prediction
When an interrupt occurs, what happens to instructions in the pipeline?
interrupt
cpu-architecture
Why is processing an unsorted array the same speed as processing a sorted array with modern x86-64 clang?
c++
performance
clang
cpu-architecture
branch-prediction
What is difference between sjlj vs dwarf vs seh?
c++
compiler-construction
mingw
cpu-architecture
mingw-w64
How does MIPS I handle branching on the previous ALU instruction without stalling?
assembly
mips
pipeline
cpu-architecture
What is a Partial Flag Stall?
assembly
x86
intel
cpu-architecture
Why is a boolean 1 byte and not 1 bit of size?
c++
boolean
byte
cpu-architecture
abi
Is it possible for an x86 processor to match an ARM processor in terms of performance per watt?
performance
power
x86
arm
cpu-architecture
What is the "FS"/"GS" register intended for?
assembly
x86
cpu-architecture
cpu-registers
memory-segmentation
What happens after a L2 TLB miss?
performance
x86
cpu
cpu-architecture
tlb
Understanding the impact of lfence on a loop with two long dependency chains, for increasing lengths
performance
assembly
x86
cpu-architecture
perf
What is the stack engine in the Sandybridge microarchitecture?
assembly
x86
intel
cpu-architecture
So really, what is the overhead of virtualization and when should I be concerned?
virtualization
virtual-machines
central-processing-unit
cpu-architecture
What is the difference between Trap and Interrupt?
x86
operating-system
kernel
interrupt
cpu-architecture
What's the main difference between Intel processor generations?
cpu
cpu-architecture
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