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Process context identifiers, which are basically tags for regions of cache/TLB, allowing for fast context switching on multi-CPU systems. Introduced in Haswell
by tadfisher 9y ago
Process context identifiers, which are basically tags for regions of cache/TLB, allowing for fast context switching on multi-CPU systems.
Introduced in Haswell I believe.
- jorvi 9y agoReading the Twitter responses PCID was introduced with Westmere and INVPCID with Haswell.