Re: [Flightgear-devel] RAM disk / Unix

2004-02-12 Thread Martin Spott
Jon S Berndt [EMAIL PROTECTED] wrote: On Tue, 10 Feb 2004 15:06:41 -0800 Andy Ross [EMAIL PROTECTED] wrote: Jon S. Berndt wrote: It is thought that the use of a RAM disk might help. My interpretation was that their problem was latency, not I/O throughput. The program cooks along using

Re: [Flightgear-devel] RAM disk / Unix

2004-02-12 Thread Andy Ross
Martin Spott wrote: On the other hand it might be easier to 'preload' the data into memory and prevent this memory area to being swapped out (there should be some operating system call), There certainly is. It's called read(). :) Andy ___

Re: [Flightgear-devel] RAM disk / Unix

2004-02-11 Thread Mathias Fröhlich
On Dienstag, 10. Februar 2004 23:01, Jon S Berndt wrote: Is anyone aware of a RAM disk utility or feature under Unix (specifically, IRIX)? When running a simulation on IRIX we are finding that the disk access is taking too much time at various phase boundaries. It is thought that the use of

[Flightgear-devel] RAM disk / Unix

2004-02-10 Thread Jon S Berndt
Is anyone aware of a RAM disk utility or feature under Unix (specifically, IRIX)? When running a simulation on IRIX we are finding that the disk access is taking too much time at various phase boundaries. It is thought that the use of a RAM disk might help. Jon

RE: [Flightgear-devel] RAM disk / Unix

2004-02-10 Thread Norman Vine
Jon S Berndt writes: Is anyone aware of a RAM disk utility or feature under Unix (specifically, IRIX)? When running a simulation on IRIX we are finding that the disk access is taking too much time at various phase boundaries. It is thought that the use of a RAM disk might help. On

Re: [Flightgear-devel] RAM disk / Unix

2004-02-10 Thread Andy Ross
Jon S. Berndt wrote: Is anyone aware of a RAM disk utility or feature under Unix (specifically, IRIX)? When running a simulation on IRIX we are finding that the disk access is taking too much time at various phase boundaries. It is thought that the use of a RAM disk might help. RAM disks

Re: [Flightgear-devel] RAM disk / Unix

2004-02-10 Thread Andy Ross
Norman Vine wrote: Jon S. Berndt wrote: It is thought that the use of a RAM disk might help. On Windows I have found that increading disk cache size and / or using memory mapped files is more productive then a DAM disk My interpretation was that their problem was latency, not I/O

Re: [Flightgear-devel] RAM disk / Unix

2004-02-10 Thread Jon S Berndt
On Tue, 10 Feb 2004 15:06:41 -0800 Andy Ross [EMAIL PROTECTED] wrote: Norman Vine wrote: Jon S. Berndt wrote: It is thought that the use of a RAM disk might help. On Windows I have found that increading disk cache size and / or using memory mapped files is more productive then a DAM disk My