Log of /trunk/core/cont/inc/TExMap.h
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Revision
29598 -
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Modified
Mon Jul 27 15:37:29 2009 UTC (5 years, 5 months ago) by
rdm
File length: 3681 byte(s)
Diff to
previous 25271
change TExMap hash, key and values from (U)Long_t to (U)Long64_t. This
makes TExMap streamable in a portable way. On 64-bit platforms there is
no difference, but on 32-bit platforms all values will now be 64-bit.
This fixes a big portability issue with THnSparse which uses TExMap internally
where the versions created on a 32-bit platform could not be read on
a 64-bit platform and vice versa.
Revision
25271 -
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Modified
Wed Aug 27 03:29:43 2008 UTC (6 years, 4 months ago) by
pcanal
File length: 3617 byte(s)
Diff to
previous 22961
From Axel:
Improve the performance of reading TExMap object by a large factor (x50 faster for large array) by
changing the onfile format of the TExMap (around 16% larger). [The performance of reading old
files is unchanged)
Revision
22961 -
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Modified
Thu Apr 3 13:32:57 2008 UTC (6 years, 9 months ago) by
rdm
File length: 3617 byte(s)
Diff to
previous 20882
move the directories:
base clib cont meta metautils newdelete pcre rint thread unix utils
winnt zip
under the new core meta directory.
Revision
15849 -
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Modified
Wed Jul 26 13:36:44 2006 UTC (8 years, 6 months ago) by
rdm
Original Path:
trunk/cont/inc/TExMap.h
File length: 3673 byte(s)
Diff to
previous 15134
Instead of providing default implementations for copy ctor's and assignment
operators we better make them private (and not implemented) to avoid people
from accidentally using them. Especially the collections classes and the
TQObject derived classes. In these classes the default implementations would
cause havoc due to multiple deletions of the same objects and other
potential memory corruptions.
Revision
15134 -
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Modified
Tue May 23 04:47:42 2006 UTC (8 years, 8 months ago) by
brun
Original Path:
trunk/cont/inc/TExMap.h
File length: 3675 byte(s)
Diff to
previous 15017
From Federico Carminati:
"I have implemented all copy and equal operators needed to silence all
warnings in AliRoot, as requested. I have implemented shallow copies as
would do the default operators synthetized by the compiler.
Most operators are protected. If users complain, you just have to move
them into the public area, but class derivation is of course supported.
It has been a terrible job, I have modified 278 files, but the changes
are backward compabile, and this goes a long way to permitting user to
use the effc++ flag with root headers."
Revision
13764 -
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Modified
Thu Dec 22 19:03:11 2005 UTC (9 years, 1 month ago) by
pcanal
Original Path:
trunk/cont/inc/TExMap.h
File length: 3505 byte(s)
Diff to
previous 11016
Improve run-time performance of TExMap's constructor and Delete.
Add a new method AddAt which allows to pass a slot number where the
object should first try to insert the value. This improves performance
when using the following pattern:
if ((idx = (ULong_t)fMap->GetValue(hash, key, slot)) != 0) {
...
} else {
fMap->AddAt(slot,hash,key,value);
}
Revision
10986 -
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Modified
Wed Jan 26 06:42:24 2005 UTC (9 years, 11 months ago) by
brun
Original Path:
trunk/cont/inc/TExMap.h
File length: 3405 byte(s)
Diff to
previous 6756
From Maarten:
This new implementation results in a 30% performance improvement
in reading complex trees. (e.g with Event). I replaced the separately
allocated (hash,key,value) structs with an array, using the lowest bit
of the hash as a flag for indicating if a slot is free or not.
(This also means a 25% memory reduction.) The general hashing behaviour
should not be affected as we use the hash value modulo a (large) prime.
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