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Quote: 10x cost for hardware-based extensions vs. 40x cost for kernel-process call-return; also, avoids TLB misses
Topic:
computer architecture
Topic:
operating system security
Quotation Skeleton
We have built an initial prototype that supports … [p. 114] [A normal call and return takes 13 cycles, while an intra-address space, inter-domain extension call and return takes 147 cycles.] Measurements on Linux show that the … [inter-address space], excluding all scheduler and bottom-half interrupt handling overheads, is 280 … [and twice that for a call and return] … In addition, each subsequent TLB miss after context … Google-1 Google-2
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Topic: computer architecture (46 items)
Topic: operating system security (18 items)