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A comment on Cache Lines Are The New Registers.

Re:Cache Lines Are The New Registers by Dylan16807 on Sunday September 02, 2012 @03:05PM (#4467792)
Every time the operating system decides that it’s time to run a different process, all caches are invalidated (on account of the virtual memory system).

They what? I know most processors will blow the TLB, but I don't think any processor would toss out megabytes of cache.

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