When trying to write fast functions operating over many bytes, we sometimes use ‘SWAR’. SWAR stands for SIMD Within A Register, and it is a technique to perform parallel computations on multiple data elements packed into a single word. It treats a register (e.g., 64-bit) as a vector of smaller units (e.g., 8-bit bytes) and … Continue reading Detect control characters, quotes and backslashes efficiently using ‘SWAR’
