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Re: Changed path filter hash differs from murmur3 if char is signed

From
Taylor Blau <me@ttaylorr.com>
Date
May 12, 2023, 21:27 UTC
Message-ID
<ZF6vW7/BhKqUyP7R@nand.local>
In-Reply-To
<20230512205427.1090937-1-jonathantanmy@google.com>
On Fri, May 12, 2023 at 01:54:27PM -0700, Jonathan Tan wrote:
Show 11 quoted lines
> > > I don't have statistics on this, but if the majority of repos have
> > > only <=0x7f filenames (which seems reasonable to me), this might save
> > > sufficient work that we can proceed with bumping the version number and
> > > ignoring old data.
> > >
> > >> Better yet, we should be able to reuse existing Bloom filter data for
> > >> paths that have all characters <=0xff, and only recompute them where
> >
> > "ff" -> "7f" I presume?
>
> That was my assumption too, but Taylor can clarify.
Sorry, yes, I meant "0x7f" here not "0xff". Thanks for catching, both.

Thanks, Taylor

Previous: Jonathan Tan
Message 7 of 7 in “Changed path filter hash differs from murmur3 if char is signed”
  1. Jonathan TanMay 11, 2023
  2. Junio C HamanoMay 11, 2023
  3. Taylor BlauMay 11, 2023
  4. Jonathan TanMay 12, 2023
  5. Junio C HamanoMay 12, 2023
  6. Jonathan TanMay 12, 2023
  7. Taylor BlauMay 12, 2023

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