JRockit defaults to 64M heap in most cases: http://e-docs.bea.com/jrockit/geninfo/diagnos/memman_basics.html#wp10762 37
In standard JRockit (not the Harmony VM release) you can use "jrcmd <pid> print_memusage" command to get more info, see: http://edocs.bea.com/jrockit/geninfo/diagnos/ctrlbreakhndlr.html#wp99976 1 -- Henrik > -----Original Message----- > From: Aleksey Ignatenko [mailto:[EMAIL PROTECTED] > Sent: Monday, February 19, 2007 12:18 PM > To: [email protected] > Subject: Re: [vm] Memory usage of DRLVM/IBM VME/JRockit > > Did you set the same -Xmx -Xms options for all VMs? It will > garantee you run all VMs on the same heap size and the > results could differ from those you presented. > > Best regards, > Aleksey. > > > On 2/19/07, Tim Ellison <[EMAIL PROTECTED]> wrote: > > > > I'm running a simple Hello World app on Windows XP x86, and > looking at > > the corresponding private virtual memory usage with Sysinternals. > > > > Virtual Memory > > Private Bytes version > > Sun with client VM ~13Mb 1.5.0b10 > > Harmony with IBM VME ~15Mb head with VMEv4 > > Harmony with DRLVM ~40Mb snapshot r505120 > > Harmony with JRockit ~80Mb head with H_27_2_1 > > > > The DRL numbers add up, seems to be using big libraries with large > > working sets. I can't account for the JRockit total. > > > > I printed out the large DLLs (>1Mb size/working set) for each > > Harmony-based runtime below. > > > > IBM VME > > ------- > > Name Description Size WS Total > > icudt34.dll ICU Data DLL 8,640 K 80 K > > j9jit23.dll J9 Virtual Machine Runti* 2,784 K 1,696 K > > ... > > > > DRLVM > > ----- > > Name Description Size WS Total > > icudt34.dll ICU Data DLL 8,640 K 60 K > > shell32.dll Windows Shell Common Dll 8,276 K 120 K > > hythr.dll 4,124 K 132 K > > harmonyvm.dll 4,008 K 3,960 K > > jitrino.dll 3,900 K 3,880 K > > comctl32.dll User Experience Controls 1,036 K 156 K > > ... > > > > JRockit > > ------- > > Name Description Size WS Total > > icudt34.dll ICU Data DLL 8,640 K 68 K > > jvm.dll BEA JRockit(r) Java Virtua* 2,532 K 2,004 K > > ole32.dll Microsoft OLE for Windows 1,268 K 68K > > ... > > > _______________________________________________________________________ Notice: This email message, together with any attachments, may contain information of BEA Systems, Inc., its subsidiaries and affiliated entities, that may be confidential, proprietary, copyrighted and/or legally privileged, and is intended solely for the use of the individual or entity named in this message. If you are not the intended recipient, and have received this message in error, please immediately return this by email and then delete it.
