Patches item #682992, was opened at 2003-02-08 17:53
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Juozas Baliuka (baliuka)
Assigned to: Nobody/Anonymous (nobody)
Summary: optimization
Initial Comment:
eleminates reflection to read/write properties and
newInstance (if possible), persister disables
optimizations on error in cglib.
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>Comment By: Juozas Baliuka (baliuka)
Date: 2003-02-11 20:30
Message:
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I have tested situation like this ( iteration )
String query1= "from fo in class FoPrivate" ;
String query2= "from fo in class FoPublic" ;
java.util.Iterator i = s.iterate( query );
long time = System.currentTimeMillis();
while(i.hasNext())
i.next();
System.out.println( (System.currentTimeMillis() -
time) );
It shows 3%- 5% Performance incremet with optimizer, but I
do not trust this kind of test very mutch. I know generated
code it is faster, but can't say any numbers, It is not trivial to
test.
BTW: It is a problem in situation like this:
for(int i=0 i< 1000; i++ )
s.iterate( query ).next();
java.lang.OutOfMemoryError with -Xmx256M
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Comment By: Gavin King (oneovthafew)
Date: 2003-02-11 11:33
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Cool. This looks very nice. Have you tried to run any
performance tests to see if there is an observable difference
in performance?
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Comment By: Juozas Baliuka (baliuka)
Date: 2003-02-09 08:08
Message:
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user_id=337001
crappy UI
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Comment By: Gavin King (oneovthafew)
Date: 2003-02-09 00:11
Message:
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user_id=384580
Theres no attached file.....
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