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* mu-msg-iter.cc: pre-fetch documents in an mset, makes search slightly faster

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This commit is contained in:
Dirk-Jan C. Binnema
2011-06-03 08:22:56 +03:00
parent 4dfe33609b
commit f14de4784b
1 changed files with 9 additions and 0 deletions
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9
src/mu-msg-iter.cc
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@ -28,6 +28,10 @@
#include "mu-msg.h"
#include "mu-msg-iter.h"
/* just a guess... */
#define MAX_FETCH_SIZE 10000
static gboolean update_msg (MuMsgIter *iter);
struct _MuMsgIter {
@ -36,6 +40,11 @@ struct _MuMsgIter {
_matches = _enq.get_mset (0, maxnum);
_cursor = _matches.begin();
/* this seems to make search slightly faster, some
* non-scientific testing suggests. 5-10% or so */
if (_matches.size() <= MAX_FETCH_SIZE)
_matches.fetch ();
if (!_matches.empty())
update_msg (this);