[Python-Dev] String hash function multiplier (original) (raw)
Raymond Hettinger python at rcn.com
Thu Apr 15 14:20:34 EDT 2004
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Tim> What makes the current stepping of some flavor of P4 overwhelmingly Tim> important <0.3 wink>?
Unrelated to this thread, what does "stepping" mean? A quick Google search for "Pentium stepping glossary" yielded this page http://processorfinder.intel.com/scripts/help3.asp but doesn't explain why Intel uses "stepping" instead of "version" or "revision".
[Channeling Tim]
In this context, "stepping" means all of the idiosyncratic implementation details of processor workflow.
The word "stepping" is natural after staring at Gantt charts showing timings, data dependencies, speculative execution, and parallel operations.
Tim is advising me to against focusing on one processor at one point in history because the "stepping" is guaranteed to change over time.
Raymond Hettinger
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