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Merge pull request #25 from TheFakeMontyOnTheRun/fix/fixTypoInCycleEaters

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Fix OCR error/typo in chapter 4
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James Gregory 2019-08-13 21:27:53 +10:00 • committed by GitHub
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@ -1053,7 +1053,7 @@ reduction can vary considerably and unpredictably, depending on how the
DRAM refreshes interact with your code's pattern of memory accesses. DRAM refreshes interact with your code's pattern of memory accesses.
When you use the Zen timer and get a fractional cycle count for the When you use the Zen timer and get a fractional cycle count for the
execution time of an instruction, that's often the DRAM refresh execution time of an instruction, that's often the DRAM refresh
cycle-eater at work. (The display adapter cycleis another possible cycle-eater at work. (The display adapter cycle is another possible
culprit, and, on 386s and later processors, cache misses and pipeline culprit, and, on 386s and later processors, cache misses and pipeline
execution hazards produce this sort of effect as well.) Whenever you get execution hazards produce this sort of effect as well.) Whenever you get
two timing results that differ less or more than they seemingly should, two timing results that differ less or more than they seemingly should,