On Sat, Dec 07, 2019 at 01:05:17PM +0900, Akira Yokosawa wrote: > Hi Paul, > > This patch set fixes minor issues I noticed while reading your > recent updates. Queued and pushed, along with a fix to another of my typos, thank you very much! > Apart from the changes, I'd like you to mention in the answer to > Quick Quiz 9.43 that modern Intel CPUs don't execute x86_64 > instructions directly, but decode them into uOPs (via MOP) and > keep them in a uOP cache [1]. > So the execution cycle is not necessarily corresponds to instruction > count, but heavily depends on the behavior of the microarch, which > is not predictable without actually running the code. > > [1]: https://en.wikichip.org/wiki/intel/microarchitectures/skylake_(server) My thought is that I should review the "Hardware and it Habits" chapter, add this information if it is not already present, and then make the answer to this Quick Quiz refer back to that. Does that seem reasonable? Also, I am thinking in terms of a release (not yet an edition) in the near term. Anything else that absolutely must be fixed first? Thanx, Paul > Thanks, Akira > -- > Akira Yokosawa (2): > toyrcu: Use mathcal O for 'orders of' > defer/rcuusage: Fix typo (that -> than) > > appendix/toyrcu/toyrcu.tex | 2 +- > defer/rcuusage.tex | 2 +- > perfbook.tex | 2 +- > 3 files changed, 3 insertions(+), 3 deletions(-) > > -- > 2.17.1 >
