Subject: 256mb limit in cygwin - heap_chunk_in_mb not working?
From: "Dylan Cuthbert" <[email-masked]>
To: [email-masked]
Date: Fri, 2 Aug 2002 17:39:06 +0900
Newsgroups: gmane.os.cygwin

Hi all

I have edited/created the DWORD registry entry heap_chunk_in_mb (the ls of
/proc/registry is below) and it reads 512 in regedit.

I reboot but still a simple program that does new char[ 256 * 1024 * 1024 ]
will run out of memory.

AFAIK I am using the recent versions of absolutely everything. (cygcheck
below)

Any ideas what's going on, I want to run some memory intensive algorithmic
programs and can't because of this problem.

Regards

---------------------------------
Q-Games, Dylan Cuthbert.
http://www.q-games.com
P2P internet radio - http://www.peercast.org

 $ ls -l
total 0
dr-xr-xr-x    0 Dylan    なし            0 Feb  1 10:16 Program Options
-r--r--r--    1 Dylan    なし            4 Aug  2 17:18 heap_chunk_in_mb
dr-xr-xr-x    0 Dylan    なし            0 Feb 17 14:19 mounts v2
Dylan@DCUTHBERT-2K /proc/registry/HKEY_CURRENT_USER/Software/Cygnus
Solutions/Cygwin

 $ cygcheck -s

Cygwin Win95/NT Configuration Diagnostics
Current System Time: Fri Aug 02 17:33:28 2002

Windows 2000 Professional Ver 5.0 Build 2195 Service Pack 2

Path:   d:\cygwin\usr\local\bin
        d:\cygwin\bin
        d:\cygwin\bin
        c:\WINNT\system32
        c:\WINNT
        c:\WINNT\System32\Wbem
        d:\cygwin\home\dylan\projects\global
        d:\cygwin\usr\local\bin
        d:\cygwin\bin
        c:\WINNT\system32
        c:\WINNT
        c:\WINNT\System32\Wbem

SysDir: C:\WINNT\System32
WinDir: C:\WINNT

CYGWIN = `binmode'
HOME = `d:\cygwin\home\Dylan'
MAKE_MODE = `unix'
PWD = `/proc/registry/HKEY_CURRENT_USER/Software/Cygnus Solutions/Cygwin'
USER = `Dylan'

Use `-r' to scan registry

a:  fd           N/A    N/A
c:  hd  NTFS   51199Mb  11% CP CS UN PA FC     WIN2K
d:  hd  NTFS   44351Mb  17% CP CS UN PA FC     WORK
f:  cd  CDFS       0Mb -2147483548%    CS              Audio CD

.              /cygdrive  user    textmode,cygdrive
d:/cygwin      /          system  binmode
d:/cygwin/bin  /usr/bin   system  binmode
d:/cygwin/lib  /usr/lib   system  binmode
.              /cygdrive  user    binmode,cygdrive

Found: d:\cygwin\bin\bash.exe
Found: d:\cygwin\bin\cat.exe
Found: d:\cygwin\bin\cpp.exe
Found: d:\cygwin\bin\find.exe
Found: d:\cygwin\bin\gcc.exe
Found: d:\cygwin\bin\gdb.exe
Found: d:\cygwin\bin\ld.exe
Found: d:\cygwin\bin\ls.exe
Found: d:\cygwin\bin\make.exe
Found: d:\cygwin\bin\sh.exe

   58k 2002/05/07 d:\cygwin\bin\cygbz2-1.dll
  621k 2002/05/17 d:\cygwin\bin\cygcrypto.dll
  452k 2002/07/17 d:\cygwin\bin\cygcurl-2.dll
   50k 2002/03/17 d:\cygwin\bin\cygexslt-0.dll
   45k 2001/04/25 d:\cygwin\bin\cygform5.dll
   35k 2002/01/09 d:\cygwin\bin\cygform6.dll
   19k 2002/02/20 d:\cygwin\bin\cyggdbm.dll
   20k 2002/07/17 d:\cygwin\bin\cyghistory5.dll
  929k 2002/06/24 d:\cygwin\bin\cygiconv-2.dll
   22k 2001/12/13 d:\cygwin\bin\cygintl-1.dll
   23k 2002/06/24 d:\cygwin\bin\cygintl-2.dll
   21k 2001/06/20 d:\cygwin\bin\cygintl.dll
   45k 2002/02/08 d:\cygwin\bin\cygjbig1.dll
  119k 2002/02/09 d:\cygwin\bin\cygjpeg6b.dll
   25k 2002/07/16 d:\cygwin\bin\cygltdl-3.dll
   26k 2001/04/25 d:\cygwin\bin\cygmenu5.dll
   20k 2002/01/09 d:\cygwin\bin\cygmenu6.dll
  156k 2001/04/25 d:\cygwin\bin\cygncurses++5.dll
  175k 2002/01/09 d:\cygwin\bin\cygncurses++6.dll
  226k 2001/04/25 d:\cygwin\bin\cygncurses5.dll
  202k 2002/01/09 d:\cygwin\bin\cygncurses6.dll
   15k 2001/04/25 d:\cygwin\bin\cygpanel5.dll
   12k 2002/01/09 d:\cygwin\bin\cygpanel6.dll
   40k 2001/11/21 d:\cygwin\bin\cygpcre.dll
   39k 2001/11/21 d:\cygwin\bin\cygpcreposix.dll
  179k 2002/07/22 d:\cygwin\bin\cygpng12.dll
  170k 2002/01/21 d:\cygwin\bin\cygpng2.dll
   22k 2002/06/09 d:\cygwin\bin\cygpopt-0.dll
  127k 2002/07/17 d:\cygwin\bin\cygreadline5.dll
   66k 2001/11/20 d:\cygwin\bin\cygregex.dll
  156k 2002/05/17 d:\cygwin\bin\cygssl.dll
  549k 2002/07/19 d:\cygwin\bin\cygtcl83.dll
   11k 2002/07/19 d:\cygwin\bin\cygtclpip83.dll
  253k 2002/02/10 d:\cygwin\bin\cygtiff3.dll
  221k 2002/07/19 d:\cygwin\bin\cygtix4183.dll
  830k 2002/07/19 d:\cygwin\bin\cygtk83.dll
  633k 2002/07/22 d:\cygwin\bin\cygxml2-2.dll
   41k 2002/01/20 d:\cygwin\bin\cygXpm-noX4.dll
   46k 2002/01/20 d:\cygwin\bin\cygXpm-X4.dll
  152k 2002/03/17 d:\cygwin\bin\cygxslt-1.dll
   15k 2002/03/17 d:\cygwin\bin\cygxsltbreakpoint-1.dll
   50k 2002/03/12 d:\cygwin\bin\cygz.dll
  883k 2002/07/06 d:\cygwin\bin\cygwin1.dll
    Cygwin DLL version info:
        DLL version: 1.3.12
        DLL epoch: 19
        DLL bad signal mask: 19005
        DLL old termios: 5
        DLL malloc env: 28
        API major: 0
        API minor: 54
        Shared data: 3
        DLL identifier: cygwin1
        Mount registry: 2
        Cygnus registry name: Cygnus Solutions
        Cygwin registry name: Cygwin
        Program options name: Program Options
        Cygwin mount registry name: mounts v2
        Cygdrive flags: cygdrive flags
        Cygdrive prefix: cygdrive prefix
        Cygdrive default prefix:
        Build date: Sat Jul 6 02:16:58 EDT 2002
        CVS tag: cygwin-1-3-12-1
        Shared id: cygwin1S3

Cygwin Package Information
Package             Version
_update-info-dir    00037-1
ash                 20020131-1
autoconf-devel      2.53a-1
autoconf-stable     2.13-4
automake-devel      1.6.2-1
automake-stable     1.4p5-5
bash                2.05b-1
bc                  1.06-1
binutils            20020706-2
bison               1.35-1
byacc               1.9-1
bzip2               1.0.2-2
clear               1.0-1
compface            1.4-5
cpio                2.4.2
cron                3.0.1-7
crypt               1.0-1
ctags               5.2-1
curl                7.9.8-2
cvs                 1.11.0-1
cygrunsrv           0.95-1
cygutils            1.1.2-1
cygwin              1.3.12-2
dejagnu             20010117-1
diff                1.0-1
diffutils           2.8.1-1
ed                  0.2-1
expect              20010117-1
figlet              2.2-1
file                3.37-1
fileutils           4.1-1
findutils           4.1.7-4
flex                2.5.4-2
fortune             1.8-2
gawk                3.0.4-1
gcc                 3.1.1-4
gcc-mingw           3_1-20020516-2
gcc2                2.95.3-9
gdb                 20020718-1
gdbm                1.8.0-4
gettext             0.11.2-2
ghostscript         7.05-1
gperf               0.0
grep                2.5-1
groff               1.17.2-1
gzip                1.3.3-3
indent              2.2.8-1
inetutils           1.3.2-19
irc                 20010101-1
jbigkit             1.2-6
jpeg                6b-7
less                374-1
libbz2_1            1.0.2-2
libiconv2           1.8-2
libintl             0.10.38-3
libintl1            0.10.40-1
libintl2            0.11.2-2
libltdl3            20020705-2
libncurses5         5.2-1
libncurses6         5.2-8
libpng              1.2.4-2
libpng12            1.2.4-2
libpng2             1.0.12-1
libpopt0            1.6.4-4
libreadline4        4.1-2
libreadline5        4.3-1
libtool             20020705-1
libtool-devel       20020705-2
libtool-stable      1.4.2-2
libxml2             2.4.23-1
libxslt             1.0.13-1
links               0.96-1
login               1.4-3
lynx                2.8.4-1
m4                  0.0
make                3.79.1-7
man                 1.5g-2
mingw-runtime       2.0-2
mktemp              1.4-1
mt                  2.0.1-1
mutt                1.4-1
nano                1.0.7-1
ncftp               3.1.3-1
ncurses             5.2-8
newlib-man          20001118-1
opengl              1.1.0-6
openssh             3.4p1-4
openssl             0.9.6d-1
openssl-devel       0.9.6d-1
patch               2.5-3
pcre                3.7-1
perl                5.6.1-2
popt                1.6.4-4
postgresql          7.2.1-2
python              2.2.1-1
rcs                 5.7-3
readline            4.3-1
regex               4.4-2
robots              2.0-1
rsync               2.5.5-1
rxvt                2.7.2-10
sed                 3.02-1
sh-utils            2.0-2
sharutils           4.2.1-2
shutdown            1.2-2
squid               2.4.STABLE7-1
ssmtp               2.38.7-3
tar                 1.13.19-1
tcltk               20001125-1
tcsh                6.11.00-4
termcap             20020403-1
terminfo            5.2-3
tetex-beta          20001218-4
texinfo             4.2-3
texmf               20000804-2
texmf-base          20000804-2
texmf-doc           20000804-2
texmf-extra         20000804-2
texmf-tiny          20000804-2
textutils           2.0.21-1
tiff                3.5.7-1
time                1.7-1
units               1.77-1
unzip               5.50-1
vim                 6.1-2
w32api              1.5-1
wget                1.8.2-1
which               1.5-1
whois               4.5.17-1
xpm-nox             4.2.0-1
zip                 2.3-2
zlib                1.1.4-1

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