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Subject: Re: to windows crafty operators

Author: Robert Hyatt

Date: 08:30:11 12/22/03

Go up one level in this thread


On December 22, 2003 at 00:32:42, Eugene Nalimov wrote:

>On December 21, 2003 at 23:50:21, Robert Hyatt wrote:
>
>>On December 21, 2003 at 01:22:53, Eugene Nalimov wrote:
>>
>>>On December 20, 2003 at 23:03:54, Robert Hyatt wrote:
>>>
>>>>On December 19, 2003 at 20:43:41, Sean Mintz wrote:
>>>>
>>>>>This has been occuring with the past few versions of Crafty (19.5 to 19.8).  If
>>>>>run for an extended period of time (a few hours), the amount of virtual memory
>>>>>Crafty uses gradually adds up.  Over time this adds up to almost a gigabyte.
>>>>>Does anyone else experience this?
>>>>>
>>>>>Sean Mintz
>>>>
>>>>
>>>>Your adaptive command produces one question you can answer for me...
>>>>
>>>>use your adaptive command in "text mode" (console mode).
>>>>
>>>>then type a "level 0 5 3" command
>>>>
>>>>and the hash size will self-adjust.  Check the memory usage.  Then
>>>>do
>>>>
>>>>" level 0 60 60" which should adjust hash size way up.
>>>>
>>>>Check memory usage again.  Then back to the level 0 5 3 and so forth,
>>>>and the memory size should _not_ slowly increase. If it does, that will
>>>>point me to what is happening in windows....
>>>
>>>If you can compile your own version of Crafty, can you please make the following
>>>experiment: in file utility.c search for "WinFreeInterleaved", and replace
>>>
>>>void WinFreeInterleaved(void *pMemory, size_t cBytes) {
>>>  VirtualFree(pMemory,                      // base address of block
>>>              cBytes,                       // bytes of committed pages
>>>              MEM_DECOMMIT|MEM_RELEASE);    // decommit the pages
>>>}
>>>
>>>by
>>>
>>>void WinFreeInterleaved(void *pMemory, size_t cBytes) {
>>>  VirtualFree(pMemory, 0, MEM_RELEASE);
>>>}
>>>
>>>I suspect that will fix the problem.
>>>
>>>Thanks,
>>>Eugene
>>
>>
>>OK.  If that fixes it, is it something I should do in the existing source?
>>Will it affect crafty/NUMA/windows?
>
>Yes, please pick it up. You see, I never wrote "real" Windows applications :-),
>so I don't know memory-related Windows API well, so I screwed up memory free. I
>was not freeing memory when resizing (or re-allocating) hash tables...
>
>Thanks,
>Eugene


Har-de-har-har.  :)

What is a "real windows application"???

:)

IE I'd think TBgen would fit that nicely...




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