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This commits the performance mods that give the priority processing engine in the pbx, a 25-30% speed boost. The two updates used, are, first, to merge the ast_exists_extension() and the ast_spawn_extension() where they are called sequentially in a loop in the code, into a slightly upgraded version of ast_spawn_extension(), with a few extra args; and, second, I modified the substitute_variables_helper_full, so it zeroes out the byte after the evaluated string instead of demanding you pre-zero the buffer; I also went thru the code and removed the code that zeroed this buffer before every call to the substitute_variables_helper_full. The first fix provides about a 9% speedup, and the second the rest. These figures come from the 'PIPS' benchmark I describe in blogs, conf. reports, etc.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@88166 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Steve Murphy
2007-11-01 22:26:51 +00:00
parent 842b1a34fe
commit 63f2f04cf4
25 changed files with 103 additions and 117 deletions
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apps/app_queue.c
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@@ -2978,7 +2978,6 @@ static int try_calling(struct queue_ent *qe, const char *options, char *announce
if (p == tmpid2 + sizeof(tmpid2))
tmpid2[sizeof(tmpid2) - 1] = '\0';
memset(tmpid, 0, sizeof(tmpid));
pbx_substitute_variables_helper(qe->chan, tmpid2, tmpid, sizeof(tmpid) - 1);
}
@@ -3005,7 +3004,6 @@ static int try_calling(struct queue_ent *qe, const char *options, char *announce
if (p == meid2 + sizeof(meid2))
meid2[sizeof(meid2) - 1] = '\0';
memset(meid, 0, sizeof(meid));
pbx_substitute_variables_helper(qe->chan, meid2, meid, sizeof(meid) - 1);
}