Re:Why I Write Games in C (yes, C)
by squeaky-clean on Saturday September 21, 2019 @09:10PM
(#21038985)
You'd have to very solidly prove that in the wors-case a cache only ever make execution time equal to or faster than a processor not using cache and never causes anything to be slower.
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Even that is not enough. The cache may make everything faster, but it could lead to higher contention on a different physical resource slowing things down there. The cache cannot be guaranteed to prevent that.