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New posts in cpu-architecture
Understanding CYCLE_ACTIVITY.* Haswell Performance-Monitoring Events
May 16, 2021
intel
performancecounter
cpu-architecture
cpu-cache
perf
How does MIPS I handle branching on the previous ALU instruction without stalling?
Apr 11, 2022
assembly
mips
pipeline
cpu-architecture
Are there architectures which are not using two's complement for representation of negative values?
Dec 23, 2019
cpu-architecture
dataformat
How is ARM system mode different from arm supervisor mode?
Apr 16, 2022
arm
embedded
embedded-linux
cpu-architecture
Does _mm_clflush really flush the cache?
May 24, 2022
linux
x86-64
cpu-architecture
cpu-cache
cache-locality
GCC compiler porting to new architecture : Call external library function
Nov 04, 2022
c
gcc
compiler-construction
porting
cpu-architecture
Aarch64 what is late-forwarding?
Jun 12, 2022
assembly
cpu-architecture
arm64
What parts of ARMv4/5/6 code will not work on ARMv7?
Apr 24, 2019
arm
backwards-compatibility
cpu-architecture
binary-compatibility
Why predict a branch, instead of simply executing both in parallel?
May 26, 2019
cpu-architecture
branch-prediction
Calculating memory size based on address bit-length and memory cell contents
Sep 22, 2022
memory
cpu-architecture
memory-address
How to distinguish armhf (ARMv7) and armel (ARMv4) in C code?
Nov 07, 2022
c
linux
gcc
arm
cpu-architecture
How does an instruction decoder tell the difference between a prefix and a primary opcode?
Oct 16, 2022
assembly
x86
cpu-architecture
machine-code
instruction-encoding
streaming loads and non USWC memory
Apr 27, 2022
c++
sse
memcpy
cpu-architecture
Installing amd_64 or i386 packages on raspbian (arm hf)
Sep 14, 2022
linux
raspberry-pi
x86
raspbian
cpu-architecture
Why does high-memory not exist for 64-bit cpu?
Aug 30, 2022
linux
cpu-architecture
virtual-memory
GCC highest set of instructions compatible with multiple architectures
Jun 26, 2022
c
gcc
cpu-architecture
Committed Vs Retired instruction
Oct 18, 2022
x86
cpu-architecture
cpu-cache
instructions
Why can the MESI protocol not guarantee atomicity of CMPXCHG on x86 without the LOCK prefix?
Aug 26, 2022
x86
atomic
cpu-architecture
compare-and-swap
mesi
Why is LOCK a full barrier on x86?
Jan 19, 2022
x86
cpu-architecture
memory-barriers
What does memory_order_consume really do?
Sep 07, 2022
c++
cpu-architecture
lock-free
memory-model
stdatomic
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