Evaluating the performance of Carmack’s fast inverse square root against a regular 1/sqrt(x) calculation and the rsqrt instruction on a modern processor.
Computer Science learning blog
Evaluating the performance of Carmack’s fast inverse square root against a regular 1/sqrt(x) calculation and the rsqrt instruction on a modern processor.
Evaluating the effect of the data set size and the access pattern on the read bandwidth with the memory mountain.
Evaluating the performance of a program when referencing array elements in row-major and column-major order. Analysis of CPU cache and program locality.