Noun
MWIPS pl (plural only)
Initialism for million Whetstone instructions per second.
The Whetstone Report has a table showing MWIPS speeds of PCs via early interpreters and compilers up to modern languages. Source: Internet
The first PC compiler was for BASIC (1982) when a 4.8 MHz 8088/87 CPU obtained 0.01 MWIPS. Source: Internet