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Improve hb_set_digest_t 

Make Amiri rendering faster a whopping 45% again!  Speends up pretty
much anything I tested.
This commit is contained in:
Behdad Esfahbod 2013-04-17 18:19:21 -04:00
parent c7851efcd3
commit 0d5798a137
1 changed files with 23 additions and 5 deletions
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26
src/hb-set-private.hh
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@ -167,11 +167,29 @@ struct hb_set_digest_combiner_t
tail_t tail; tail_t tail;
}; };
typedef hb_set_digest_combiner_t<
hb_set_digest_common_bits_t, /*
hb_set_digest_lowest_bits_t<unsigned long, 0> * hb_set_digest_t
*
* This is a combination of digests that performs "best".
* There is not much science to this: it's a result of intuition
* and testing.
*/
typedef hb_set_digest_combiner_t
<
hb_set_digest_lowest_bits_t<unsigned long, 4>,
hb_set_digest_combiner_t
<
hb_set_digest_lowest_bits_t<unsigned long, 0>,
hb_set_digest_lowest_bits_t<unsigned long, 9>
> >
hb_set_digest_t; > hb_set_digest_t;
/*
* hb_set_t
*/
/* TODO Make this faster and memmory efficient. */ /* TODO Make this faster and memmory efficient. */