🚀 go-pugleaf

Pete Golda (PGOLDA@eleceng.uct.ac.za) wrote:
: Hi,

: I'm working on some large data sets (+100Meg), and GNUC has solved
: most of my problems in that I can allocate enough memory to hold the
: entire file. However, when swapping to disk begins, the entire process
: infinitely slows down. Knowing that my PC has 32meg of RAM, and that
: about 2 meg is already used, I now allocate a +/- 28meg array, block
: read 28meg from file and process. Once that's finished I write to file
: and read in the next 28meg block.

: My question:

: Is there any way to find out the size of the available free memory 
: (including base and extended and all that) ??

: I want to automate this process of memory allocation such as:

: FreeMem = FindAllFreeMemory();
: FreeMem *= 0.9  /* Leave 10% of memory for safety */
: char *array = malloc( (long) FreeMem );

: so that the programs can run on machines with any amount of RAM, and
: automatically detect how large the array may be so as to aviod disk
: swapping.

: Thanx in advance,
: Pete.

In the sample/test programs there is one that returns all the memory
statistics including physical free memory, I think it was called 
DPMI.C.

Sorry I can't remember the routine name, but it is in there.

S.Hull@bradford.ac.uk