peter.mayd...@linaro.org writes: > On 9 December 2013 06:36, Xin Tong <trent.t...@gmail.com> wrote: >> Is it possible for QEMU to obviate some of the translations by attaching a >> signature (e.g. a hash) with every translated basic block and try to reuse >> translated basic block based on the signature as much as possible ? Reuses >> can be a result of rerunning programs or same libraries statically linked to >> programs. > > We already cache translated results. See tb_find_fast() > and tb_find_slow() which do the lookup into the cache.
These are for the current execution context though aren't they? I thought Xin was talking about caching translations between invocations of QEMU. I suspect address space randomisation would be another wrinkle in the side of any such scheme though. > > thanks > -- PMM -- Alex Bennée QEMU/KVM Hacker for Linaro
