BogoMips mini-Howto

Wim van Dorst, baron@clifton.hobby.nl

v, 13 December 1997

This text gives some information about BogoMips, compiled from various sources such as news and e-mail. This text is retrievable from the various Linux archives in .../HOWTO/mini/BogoMips. An article was published in the Linux Journal, issue January 1996. New entries for unlisted CPUs will be highly appreciated. They can be send per e-mail to the author.

1. Lowest and highest single CPU Linux BogoMips ratings

1.1 The Lowest
1.2 The Highest

2. What are BogoMips

3. How to estimate what the proper BogoMips rating should be

4. How to determine what the current BogoMips rating is

5. Variations in BogoMips rating

6. BogoMips ... failed

7. What about clone CPUs (Cyrix, NexGen, AMD, etc)

8. Why to pay attention to BogoMips

9. Compilation of ratings

9.1 Oddly or faultly configured 386 systems
9.2 Normal 386 systems: SX, DX, Nexgen
9.3 Oddly or faultly configured 486 systems
9.4 Normal 486 systems
9.5 Normal 486 variations: Cyrix/IBM, UMC
9.6 Oddly or faultly configured Pentium systems, or variations
9.7 Normal Pentium systems
9.8 Normal Pentium variations: MMX, Pro, II, Cyrix, AMD
9.9 Normal Alpha systems
9.10 Normal Motorola systems
9.11 Other Systems: Sparc, PowerPC, Mips, Intel 8088/286 ELKS
9.12 Normal Multi CPU systems
9.13 Non-Linux systems (reference only)