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lib: Increase stream allocation speed.

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Modify stream_new in this way:

1) ALLOC allocations do not fail, they cause a crash so remove
if tests for it.

2) Modify usage of XCALLOC to XMALLOC and then hand set all the
relevant data in the stream pointer.

With this modification stream allocation of 10000000 streams at
10k bytes each reduced from on average 1.43 seconds to 0.65 seconds.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2018-08-02 13:42:15 -04:00
parent 25f5f03987
commit 565b5561ac
1 changed files with 4 additions and 8 deletions
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12
lib/stream.c
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@ -100,16 +100,12 @@ struct stream *stream_new(size_t size)
assert(size > 0);
s = XCALLOC(MTYPE_STREAM, sizeof(struct stream));
s = XMALLOC(MTYPE_STREAM, sizeof(struct stream));
if (s == NULL)
return s;
if ((s->data = XMALLOC(MTYPE_STREAM_DATA, size)) == NULL) {
XFREE(MTYPE_STREAM, s);
return NULL;
}
s->data = XMALLOC(MTYPE_STREAM_DATA, size);
s->getp = s->endp = 0;
s->next = NULL;
s->size = size;
return s;
}