[pypy-dev] Benchmarks

[Alex Gaynor]

On Tue, Jul 12, 2011 at 12:06 PM, Armin Rigo <arigo at tunes.org> wrote:

> Hi Alex,
>
> On Tue, Jul 12, 2011 at 8:50 PM, Alex Gaynor <alex.gaynor at gmail.com>
> wrote:
> > speed.pypy.org shows 27df (45168) as being fast, but 058e (45254) as
> being
> > slow, I narrowed it down to 45168:45205, ad there's only one reasonable
> > commit in that range.
>
> The trick is that the two revisions I identify as culprit are (on
> tannit) revision numbers r45155 and r45156, i.e. sequentially before
> r45168 (which has on my repo on tannit the number r45170).  We have
> this structure, all on the "default" branch:
>
>        r45176
>           |
>        r45174
>       /      \
>  r45156       \
>      |        r45170
>  r45155       /
>       \      /
>        r45154
>
> This means that you'll miss the two revisions r45155 and r45156 if you
> do 45168:45205.  In other words it's always subtly wrong to work with
> plain intervals of revision numbers in hg...  The speed.pypy.org measured
> 45170 to be still fast, but I measured all of 45176, 45156 and 45155
> to be slow.  This is why I claim that the culprit is r45155.
>
>
> A bientôt,
>
> Armin.
>

Now I'm really confused, what sha does that correspond to?
https://bitbucket.org/pypy/pypy/changeset/45155 seems to indicate that it is
a rather boring commit on a branch?

Alex

-- 
"I disapprove of what you say, but I will defend to the death your right to
say it." -- Evelyn Beatrice Hall (summarizing Voltaire)
"The people's good is the highest law." -- Cicero
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