A question came up recently about my choice of definitions for “MB” used in the computation of memory bandwidth (in “MB/s”) in the STREAM benchmark. According to this reference from NIST, the convention is: Binary Powers Value abbreviation full name 2^10 1,024 KiB kibibyte 2^20 1,048,576 MiB mebibyte 2^30 1,073,741,824… read more