Activity for FastMM

Andreas Wedel created ticket #26

Andreas Wedel — Thu, 27 Dec 2018 16:36:09 -0000

FullDebugMode and LogErrorsToFile ignored

Ivan Ivanov posted a comment on discussion Help

Ivan Ivanov — Tue, 27 Nov 2018 17:25:41 -0000

Is there a way to force FastMM to release freed memory back to the OS? Using Delphi 2009 with buildin FastMM. Tried to change the build configuration to Release instead of Debug, but FastMM still keeps the memory instead of releasing it back. Back in Delphi 7, when you free something, it insta released it back to the OS. I know it might not be good for performance.

CBXE posted a comment on discussion Help

CBXE — Thu, 15 Nov 2018 00:50:49 -0000

I have an application with about 10 DLLs. The program is made with C++Builder XE4 32 bit VCL. The DLLs are all created as VCL Dlls. When I include a call to a Dll using the code below the FastMM gives the ‘cannot be installed’ error seen below. How can I make FastMM work in an app which calls DLLs? Without the calls to the DLL functions FastMM4 works correctly. Is there a recommended way to setup DLL calls? FastMM4 cannot be installed since another third party memory manager has already installed...

CBXE posted a comment on discussion Open Discussion

CBXE — Thu, 08 Nov 2018 23:22:13 -0000

I am using C++Builder XE4 with the VCL 32 bit platform. I have installed FastMM successfully into most of my projects but one project shows the error message below. I am running the program though the IDE in debug mode. I am not sure my project has a .dpr file which is a Delphi file. I have FastMM4.pas list as the top item in the Build Order for the Delphi files and FastMM4BCB.cpp as the top item in the Build Order for the C++ Files. What can I try to solve this problem? FastMM4 cannot be installed...

Remy Lebeau posted a comment on ticket #69

Remy Lebeau — Thu, 05 Jul 2018 21:51:51 -0000

{----------------------------Public types------------------------------} type {Make sure all the required types are available} {$ifdef BCB6OrDelphi6AndUp} {$if CompilerVersion < 20} PByte = PAnsiChar; // <-- REMOVE COMPLETELY, PByte EXISTS IN D/CB 6+! ... {$ifend} ... {$else} PByte = PAnsiChar; // <-- PByte EXISTS IN D/CB 5, TOO! Not sure about D/CB 4, though... ... {$endif}

Remy Lebeau created ticket #69

Remy Lebeau — Thu, 05 Jul 2018 21:44:49 -0000

Redeclaring PByte when not needed

Barry R. Dick created ticket #68

Barry R. Dick — Tue, 08 May 2018 19:29:07 -0000

Delphi (x64) ACCESS Violation resulted by a Freed Object Class

Jeffrey Eib modified a comment on discussion Open Discussion

Jeffrey Eib — Thu, 08 Feb 2018 22:07:56 -0000

Jeffrey Eib modified a comment on discussion Open Discussion

Jeffrey Eib — Thu, 08 Feb 2018 22:07:08 -0000

I have an application that takes some time to open due to significant preloading of lists from a database. I implemented a splash screen, opening it in the project source file. This is the code: begin Application.Initialize; Application.MainFormOnTaskbar := True; frm_SplashScreen := Tfrm_SplashScreen.Create(Application); frm_SplashScreen.ProgramName := 'Garrett Customer Relations'; frm_SplashScreen.CopyrightYear := 2016; frm_SplashScreen.SplashImageRes := 'SPLASHIMAGE'; frm_SplashScreen.ProgressMessage...

Jeffrey Eib posted a comment on discussion Open Discussion

Jeffrey Eib — Thu, 08 Feb 2018 22:06:20 -0000

Sorry. The >> did not display as I expected. The access violation error occurs in the call to LogStackTrace.

Jeffrey Eib posted a comment on discussion Open Discussion

Jeffrey Eib — Thu, 08 Feb 2018 22:05:08 -0000

Remy Lebeau posted a comment on ticket #67

Remy Lebeau — Thu, 05 Oct 2017 19:46:20 -0000

Small correction - 64-bit was added to C++Builder in XE3 Update 1, not in XE2. However, the memory manager functions do use NativeInt in XE2, so please make sure FastMM4.pas is handling that correctly, a least.

Remy Lebeau created ticket #67

Remy Lebeau — Thu, 05 Oct 2017 19:42:30 -0000

FastMM4BCB.cpp does not compile in XE2+ 64bit

Maxim Masiutin posted a comment on discussion Open Discussion

Maxim Masiutin — Fri, 14 Jul 2017 05:46:12 -0000

FastMM4, by default, on thread contention, when one thread cannot acquire access to data, locked by another thread, calls Windows API function Sleep(0), and then, if the lock is still not available enters a loop by calling Sleep(1) after each check of the lock. Each call to Sleep(0) experiences the expensive cost of a context switch, which can be 10000+ cycles; it also suffers the cost of ring 3 to ring 0 transitions, which can be 1000+ cycles. As about Sleep(1) – besides the costs associated with...

Maxim Masiutin posted a comment on discussion Open Discussion

Maxim Masiutin — Wed, 21 Jun 2017 01:15:04 -0000

What do you think about an option to fill freed (not actually used) pages with zero bytes? This may improve performance under Windows, and also under VMWare and other virtual machine environments? For example, VMWare and HyperV calculate hash of memory pages, and, if the contents is the same, mark this page as "shared" inside a virtual machine and between virtual machines on the same host, until the page is modified. It effectively decreases memory consumption. Windows does the same - it handles...

Andrei Korshunov modified a comment on discussion Help

Andrei Korshunov — Wed, 15 Feb 2017 04:57:58 -0000

A similar problem. In search of memory leaks write a memory dump every 10 minutes...

Andrei Korshunov modified a comment on discussion Help

Andrei Korshunov — Wed, 15 Feb 2017 04:55:55 -0000

A similar problem. In search of memory leaks write a memory dump every 10 minutes...

Andrei Korshunov posted a comment on discussion Help

Andrei Korshunov — Wed, 15 Feb 2017 04:55:18 -0000

A similar problem. In search of memory leaks write a memory dump every 10 minutes...

Jason DeBettencourt posted a comment on ticket #66

Jason DeBettencourt — Wed, 07 Dec 2016 14:25:48 -0000

In FastMM4BCB.cpp, change lines 507, 508 to the following: #if (__BORLANDC__ < 0x0560)...

Dércio Luis Zanatta posted a comment on discussion Help

Dércio Luis Zanatta — Tue, 22 Nov 2016 18:22:37 -0000

Hello. I have an application made in Delphi 7 and had several problems with "out...

Taro Tanaka posted a comment on discussion Help

Taro Tanaka — Tue, 11 Oct 2016 05:25:49 -0000

Mr. Muetze1. Thank you for advice. Firm to confirm the contents of the FastMM4Options.inc,...

Muetze1 posted a comment on discussion Help

Muetze1 — Sat, 08 Oct 2016 10:24:26 -0000

Hi! Please take a look in the FastMM4Options.inc for the possible options. Inside...

Taro Tanaka posted a comment on discussion Help

Taro Tanaka — Fri, 07 Oct 2016 01:25:07 -0000

Create a program to the memory leak, and run from the IDE to detect memory leaks,...

Remy Lebeau created ticket #66

Remy Lebeau — Fri, 02 Sep 2016 17:55:58 -0000

FastMM does not work in C++Builder 10.1 Berlin

Pierre le Riche posted a comment on discussion Help

Pierre le Riche — Fri, 22 Jul 2016 22:28:17 -0000

Hi Bogdan, If you can whittle the issue down to a small test case I'll take a look....

Bogdan Matiu modified a comment on discussion Help

Bogdan Matiu — Thu, 21 Jul 2016 13:09:12 -0000

Hi Pierre, Thank you for your answer. I've tried for a few hours and I enabled ShareMMIfLibrary...

Bogdan Matiu modified a comment on discussion Help

Bogdan Matiu — Thu, 21 Jul 2016 13:08:48 -0000

Hi Pierre, Thank you for your answer. I've tried for a few hours and I enabled ShareMMIfLibrary...

Bogdan Matiu posted a comment on discussion Help

Bogdan Matiu — Thu, 21 Jul 2016 13:08:04 -0000

Hi Pierre, Thank you for your answer. I've tried for a few hours and I enabled ShareMMIfLibrary...

Pierre le Riche posted a comment on discussion Help

Pierre le Riche — Wed, 20 Jul 2016 06:45:17 -0000

Hi Bogdan, The important steps for sharing the memory manager between the main application...

Bogdan Matiu modified a comment on discussion Help

Bogdan Matiu — Mon, 18 Jul 2016 15:41:38 -0000

I've changed a few weeks ago ShareMem to FastMM4 in our application that runs in...

Bogdan Matiu modified a comment on discussion Help

Bogdan Matiu — Mon, 18 Jul 2016 15:39:49 -0000

I've changed a few weeks ago ShareMem to FastMM4 in our application that runs in...

Bogdan Matiu modified a comment on discussion Help

Bogdan Matiu — Mon, 18 Jul 2016 15:38:10 -0000

I've changed a few weeks ago ShareMem to FastMM4 in our application that runs in...

Bogdan Matiu posted a comment on discussion Help

Bogdan Matiu — Mon, 18 Jul 2016 15:34:42 -0000

I've changeda few weeks ago ShareMem to FastMM4 in our application that runs in Delphi2007....

Daniel Venter modified a comment on discussion Help

Daniel Venter — Wed, 06 Jul 2016 09:32:40 -0000

I’m very new to FastMM. I installed the latest version and followed all the instructions....

Daniel Venter posted a comment on discussion Help

Daniel Venter — Wed, 06 Jul 2016 09:32:03 -0000

I’m very new to FastMM. I installed the latest version and followed all the instructions....

Pierre le Riche created a blog post

Pierre le Riche — Wed, 17 Feb 2016 17:45:00 -0000

Moved to GitHub

svanderclock posted a comment on ticket #8

svanderclock — Tue, 03 Nov 2015 13:18:29 -0000

yes scalemm is much much more faster than fastmm on multithread scenario ! where...

andre mussche posted a comment on ticket #8

andre mussche — Tue, 03 Nov 2015 10:22:33 -0000

warning is fixed. scalemm2 is used in production by some users, but there is in some...

svanderclock posted a comment on ticket #8

svanderclock — Mon, 02 Nov 2015 14:27:05 -0000

yes i know ScaleMM, but is it really stable? for exemple just trying to compile under...

andre mussche posted a comment on ticket #8

andre mussche — Mon, 02 Nov 2015 12:28:41 -0000

Btw: I made my own MM with almost perfect scaling: ScaleMM https://github.com/an...

svanderclock posted a comment on ticket #8

svanderclock — Sun, 01 Nov 2015 18:20:38 -0000

I often hear people who are ready to pay to have a version of fastMM that work fast...

Arnaud Bouchez posted a comment on ticket #3

Arnaud Bouchez — Thu, 15 Oct 2015 10:49:54 -0000

Please note that, from my preliminary testing, the patch for FPC does not work under...

Pierre le Riche posted a comment on ticket #3

Pierre le Riche — Thu, 15 Oct 2015 09:41:49 -0000

Thanks Arnaud, much appreciated!

Pierre le Riche committed [r70]

Pierre le Riche — Thu, 15 Oct 2015 09:39:35 -0000

Added Kylix and other compatibility fixes by Ar...

Arnaud Bouchez posted a comment on ticket #3

Arnaud Bouchez — Thu, 15 Oct 2015 08:56:28 -0000

The patch is great, but has some problems. Especially it broke Kylix compatibility....

Pierre le Riche committed [r69]

Pierre le Riche — Tue, 13 Oct 2015 06:37:02 -0000

Support added for Free Pascal's OS X and Linux ...

Pierre le Riche posted a comment on ticket #3

Pierre le Riche — Tue, 13 Oct 2015 06:28:19 -0000

Thank you, that's awesome! I'll commit it to the repository shortly.

Zoë Peterson created ticket #3

Zoë Peterson — Mon, 12 Oct 2015 22:53:10 -0000

Free Pascal OS X & Linux 32/64-bit support

Maxx created ticket #65

Maxx — Mon, 13 Jul 2015 20:58:06 -0000

FastMM crash in XE5 RemoteDebugger

Alex posted a comment on ticket #14

Alex — Mon, 18 May 2015 11:57:35 -0000

Manual fix for FastMM4: http://pastebin.com/fNkNvenp

hpw created ticket #64

hpw — Sat, 09 May 2015 14:08:57 -0000

D2007 compile library FastMM_FullDebugMode Version 1.63

hpw posted a comment on ticket #14

hpw — Fri, 08 May 2015 10:32:04 -0000

Well (using D2007), My issue is using Eurekalog V7 on the App and using the FastMM_FullDebugMode.dll...

FastMM released /OldFiles/FastMM423.zip