28.04.2014 23:14, Petr Kristan пишет:
On Mon, Apr 28, 2014 at 06:12:18PM +0200, Tomas Hajny wrote:
On Mon, April 28, 2014 17:56, Mattias Gaertner wrote:
On Mon, 28 Apr 2014 17:20:17 +0200
Petr Kristan petr.kris...@epos.cz wrote:
Hi
I have some application with huge usage ReAllocMem and I
On Tue, April 29, 2014 08:45, Sergei Gorelkin wrote:
.
.
-gv switch in command line disables the optimized i386 Move procedure (and
that's basically the only thing it does),
I presume that you talk about the RTL side (i.e. compiling RTL with -gv).
In compiler (regardless whether you use a RTL
On Mon, Apr 28, 2014 at 09:29:50PM +0200, Mattias Gaertner wrote:
On Mon, 28 Apr 2014 21:14:14 +0200
Petr Kristan petr.kris...@epos.cz wrote:
[...]
Others would be better positioned for more detailed comparison among
various heap managers with regard to speed in different use cases,
29.04.2014 13:00, Jonas Maebe пишет:
On 29/04/14 08:45, Sergei Gorelkin wrote:
-gv switch in command line disables the optimized i386 Move procedure
(and that's basically the only thing it does), so it indeed should cause
slowdown. Comments say that valgrind (some pretty old version of it) is
On Tue, April 29, 2014 10:30, Petr Kristan wrote:
.
.
I use inteligent block increasing. I can optimize program, but why is
fpc heap manager to slow?
Here is the sample stress program compilable with fpc, delphi and kylix:
.
.
And here are results:
.
.
Is possible to speedup heap
On Tue, Apr 29, 2014 at 11:49:20AM +0200, Tomas Hajny wrote:
On Tue, April 29, 2014 10:30, Petr Kristan wrote:
.
.
I use inteligent block increasing. I can optimize program, but why is
fpc heap manager to slow?
Here is the sample stress program compilable with fpc, delphi and kylix:
On Tue, Apr 29, 2014 at 11:41:59AM +0200, Mattias Gaertner wrote:
On Tue, 29 Apr 2014 10:30:43 +0200
Petr Kristan petr.kris...@epos.cz wrote:
[...]
Check if you are increasing buffers in constant steps.
Change the increment to exponentially.
I use inteligent block increasing. I can
On Tue, April 29, 2014 12:12, Petr Kristan wrote:
On Tue, Apr 29, 2014 at 11:49:20AM +0200, Tomas Hajny wrote:
On Tue, April 29, 2014 10:30, Petr Kristan wrote:
.
.
I use inteligent block increasing. I can optimize program, but why
is
fpc heap manager to slow?
.
.
Well, results of
On 29.04.2014 14:37, Tomas Hajny wrote:
I don't know the reason of your difference, but no time necessary at all
(0 ms) for the valgrind variant looks very suspicious to me.
But compiling by kylix compiler, i get the same results as by fpc with
-gv option in linux.
This is the reason why I
On Tue, Apr 29, 2014 at 03:02:44PM +0400, Sergei Gorelkin wrote:
On 29.04.2014 14:37, Tomas Hajny wrote:
I don't know the reason of your difference, but no time necessary at all
(0 ms) for the valgrind variant looks very suspicious to me.
But compiling by kylix compiler, i get the same
Hi
I have some application with huge usage ReAllocMem and I found the big
performance difference if application is compiled with -gv option (cca
20x faster) then without -gv option.
I suspect fpc heap manager. Is possible to tune fpc heap manager?
Is some difference in heap manager if
On Mon, 28 Apr 2014 17:20:17 +0200
Petr Kristan petr.kris...@epos.cz wrote:
Hi
I have some application with huge usage ReAllocMem and I found the big
performance difference if application is compiled with -gv option (cca
20x faster) then without -gv option.
-gv generates code for valgrind.
On Mon, April 28, 2014 17:56, Mattias Gaertner wrote:
On Mon, 28 Apr 2014 17:20:17 +0200
Petr Kristan petr.kris...@epos.cz wrote:
Hi
I have some application with huge usage ReAllocMem and I found the big
performance difference if application is compiled with -gv option (cca
20x faster)
On Mon, Apr 28, 2014 at 06:12:18PM +0200, Tomas Hajny wrote:
On Mon, April 28, 2014 17:56, Mattias Gaertner wrote:
On Mon, 28 Apr 2014 17:20:17 +0200
Petr Kristan petr.kris...@epos.cz wrote:
Hi
I have some application with huge usage ReAllocMem and I found the big
performance
On Mon, 28 Apr 2014 21:14:14 +0200
Petr Kristan petr.kris...@epos.cz wrote:
[...]
Others would be better positioned for more detailed comparison among
various heap managers with regard to speed in different use cases, overall
memory requirements achieved by reuse of previously allocated
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