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New posts in x86-64

Got "Access is denied" when I tried to install 64-bit mongodb in Windows server 2008

Count each bit-position separately over many 64-bit bitmasks, with AVX but not AVX2

c optimization x86 x86-64 simd

Why does loop alignment on 32 byte make code faster?

Handling calls to (potentially) far away ahead-of-time compiled functions from JITed code

64-bit registers under 32-bit windows

assembly x86 x86-64

How to read input from STDIN in x86_64 assembly?

assembly stdin x86-64

GCC 4.4: Avoid range check on switch/case statement in gcc?

Why is typeA == typeB slower than typeA == typeof(TypeB)?

c# .net assembly x86-64

Running 32 bit assembly code on a 64 bit Linux & 64 bit Processor : Explain the anomaly

linux assembly gdb x86 x86-64

Why are the system call numbers different in amd64 linux?

What is the difference between assembly on mac and assembly on linux?

macos gcc assembly x86 x86-64

How do RIP-relative variable references like "[RIP + _a]" in x86-64 GAS Intel-syntax work?

Reading and writing to x86 and x64 registry keys from the same application

c# .net registry x86-64

what does the cmpq instruction do?

assembly x86 x86-64

How do I interpet this x86_64 assembly opcode?

assembly x86-64

Which inline assembly code is correct for rdtscp?

Compilers: Understanding assembly code generated from small programs

c linux gcc x86-64 disassembly

What does clang's `-Ofast` option do in practical terms especially for any differences from gcc?

Why is `std::copy` 5x (!) slower than `memcpy` for reading one int from a char buffer, in my test program?

Why does MSVC emit a useless MOVSX before performing this Bit Test?