On Thu, Jan 23, 2014 at 10:33 AM, Jeff King <p...@peff.net> wrote:
> On Wed, Jan 22, 2014 at 06:05:36PM -0800, Jonathan Nieder wrote:
>> Jeff King wrote:
>> > EWAH is a word-aligned compressed variant of a bitset (i.e. a data
>> > structure that acts as a 0-indexed boolean array for many entries).
>> I suspect that for some callers it's not word-aligned.
> Yes, the mmap'd buffers aren't necessarily word-aligned. I don't think
> we can fix that easily without changing the on-disk format (which comes
> from JGit anyway).
Ouch, sorry about that. JGit doesn't mmap the file so we didn't think
about the impact of words not being aligned. I should have caught
that, but I didn't.
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