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improves u3r_mug_bytes() efficiency (a little)

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This commit is contained in:
Joe Bryan 2019-08-14 02:50:36 -07:00
parent 15b0268c6f
commit 72d2b09f83
1 changed files with 8 additions and 4 deletions
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8
pkg/urbit/noun/retrieve.c
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@ -1495,15 +1495,19 @@ u3r_mug_bytes(const c3_y *buf_y,
c3_w syd_w = 0xcafebabe;
c3_w ham_w = 0;
while ( 0 == ham_w ) {
while ( 1 ) {
c3_w haz_w;
MurmurHash3_x86_32(buf_y, len_w, syd_w, &haz_w);
ham_w = (haz_w >> 31) ^ (haz_w & 0x7fffffff);
if ( 0 == ham_w ) {
syd_w++;
}
else {
return ham_w;
}
}
}
/* u3r_mug_chub(): Compute the mug of `num`, LSW first.
*/