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We really cannot. We were losing larger optimisations all the time by not having frame pointers.
by rwmj 4y ago
We really cannot. We were losing larger optimisations all the time by not having frame pointers.
- mort96 4y agoWhat optimizations are impossible without a frame pointer?
- rwmj 4y agoAny that involve looking at the whole system with perf, especially where you don't want to or cannot ask the user to recompile the entire Linux distro before collecting the data. So pretty much anything that isn't a microbenchmark.