When you're optimizing code for performance, especially in C or C++, using compiler options like -march=native can significantly boost speed by enabling all the SIMD instruction sets and CPU-specific optimizations...

When building modern C or C++ projects, it's common to want to use the latest compiler features and optimizations. But not all compilers - or even versions of the same...

The cpuid is a command line tool that lets you query and display detailed CPU information directly from the CPUID instruction - without needing to write any code. This tutorial...

Compiler warnings help developers write cleaner, safer, and more maintainable code. They help catch potential bugs early, enforce good practices, and improve code quality. But unless explicitly enabled, many compilers...

When we usually compile a C or C++ program, we just run a single command like gcc main.c -o test, and we have an executable. The compiler doesn't magically transform...

When you're working with C or C++ and using macros (via #define), it can be helpful to see what the preprocessor is actually doing - especially when debugging tricky macro...

When working with C or C++ code, it can be helpful to know what macros (via #define) the gcc or g++ compiler defines automatically. These predefined macros give you insight...

In heterogeneous environments that span multiple CPU architectures (e.g. x86_64, ARM), identifying the architecture of Docker images is an essential step for ensuring reliable builds and deployments. This is especially...

If you're learning how programs are translated into low-level instructions, or just curious about what the C or C++ code looks like at the assembly level, you can easily generate...

When working with big datasets on a GPU, it's helpful to keep values within a certain range. This process, called clamping, can be done quickly using parallel computing. It helps...