Re: [libunwind] Unwind information caching for x86-64

[David Mosberger-Tang]

Arun,

This sounds great!  I won't be able to review/integrate it any time
soon, though I hope to get to it eventually.  In the meantime, if you
want to be the czar of all things libunwind-x86-64, that works for me.

Thanks,

  --david

On 2/15/06, Arun Sharma <address@hidden> wrote:
>
> This patch series should apply cleanly to 0.98.5 + bk patch. After the
> patches, I get:
>
> ./Lperf-simple
> unw_getcontext : cold avg=  398.159 nsec, warm avg=  350.475 nsec
> unw_init_local : cold avg=  429.153 nsec, warm avg=  319.481 nsec
> no cache        : unw_step : 1st= 3694.353 min= 3017.698 avg= 3265.029 nsec
> global cache    : unw_step : 1st=  524.521 min=  199.817 avg=  215.836 nsec
> per-thread cache: unw_step : 1st=  324.703 min=  199.817 avg=  225.965 nsec
>
>         -Arun
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