Re: [Qemu-devel] [RFC 0/7] tcg: parallel code generation (Work in Progress)

[Richard Henderson]

On 06/29/2017 01:28 PM, Emilio G. Cota wrote:
> - Patches 2-3 remove *tbs[] to use a binary search tree instead.
>    This removes the assumption in tb_find_pc that *tbs[] are ordered
>    by tc_ptr, thereby allowing us to generate code regardless of
>    its location on the host (as we do after patch 6).

Have you considered a scheme by which the front end translation and tcg 
optimization are done outside the lock, but final code generation is done 
inside the lock?

It would put at least half of the translation time in the parallel space 
without requiring changes to code_buffer allocation.


r~