At 2006-06-26 16:30 +0200, Johannes Holzer wrote:
Daniel Skorka schrieb:
> Johannes Holzer <hl.ichaus@xxxxxxxx> wrote:
>> I have a Problem with wine. I have one Program, that allogaces many
>> small pieces with "malloc()" in the memory. "many" means over 2 Mio,
>> "small" means "from 8 to 128 bytes" in size.
>>
>> Running this Program on Windows gives me ~300MB Memory Usage (according
>> to one of the values in the Tast manager). In Linux, "top" shows me a
>> physical Usage of about 300MB and a virtual size of ~2.8 GB.
>
> 2e06 chunks of 128 bytes gives about 244 MB. Wine needs 2.8 GB of
> virtual memory because it doesn't. It just needs an address space that
> large.
Right. "top" has a column "RES" ("Resident size"), which shows about 300
MB. This sounds reasonable.
>> With Linux/Wine, the program fails with an "out of memory"-Error (malloc
>> returns NULL).
>
> If it fails, how can you tell its memory usage with top?
The programmer was a good one. He checked the returncode of malloc and
displays a dialog on failure. (yes, it seems, that there is enough RAM
for the dialog.)
Johannes Holzer
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Dumb question: Are you being bounced by ulimit?
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