Thanks, applied. On Thu, Jan 31, 2013 at 6:47 PM, Evgeny Voevodin <evgenyvoevo...@gmail.com> wrote: > > This set of patches moves rest global variables to tcg_ctx. > Also second patch introduces new TBContext for translation blocks > ans moves translation block globals there. We place tb_ctx inside > tcg_ctx and get noticable speed-up. > > > After this patchset was aplied, > I noticed ~4-5% speed-up of code generation. > > Here is the test procedure: > 1. Boot Linux Kernel 5 times. > 2. For each iteration wait while "JIT cycles" is stable for ~10 seconds > 3. Write down the "cycles/op" > > Here are the results (tested on gcc-4.6): > > Before clean-up: > min: 662.4 > max: 696 > avg: 672.28 > standard deviation: ~17 ~= 3.5% > > Average cycles/op = 672 +- 17 > > > After clean-up: > min: 635 > max: 650.5 > avg: 640.14 > standard deviation: ~8 ~= 1.6% > > Average cycles/op = 640 +- 8 > > Evgeny Voevodin (2): > TCG: Final globals clean-up > TCG: Move translation block variables to new context inside tcg_ctx: > tb_ctx > > cpu-exec.c | 18 +++-- > include/exec/exec-all.h | 27 +++++--- > linux-user/main.c | 6 +- > tcg/tcg.c | 2 +- > tcg/tcg.h | 16 ++++- > translate-all.c | 173 > +++++++++++++++++++++++------------------------ > 6 files changed, 130 insertions(+), 112 deletions(-) > > -- > 1.7.9.5 >
