Bernie wrote:
<snip>
>Now, I wanted something like smartdrv.exe that could use more than 32MB of
>RAM (preferly 64MB). I tried the one from w95osr2 today (smartdrv v. 5.02).
>It couldn use more but not much - 37416K is the max you can use (a little
>more than 36.5M).
<snip>
>Perhaps I should settle with making a 64MB RAMDrive (not doable with MS-DOS
>6's ramdrive.sys - xmsdsk.exe can IIRC) and put Arachne on it (or atleast
>Arachne's cache).
<snip>
I use PTSCACHE supplied with PTS-DOS. Its limit is 14MB, but that doesn't
matter; anything over 2MB doesn't speed up Arachne or any of its APMs when using
this cache. It's the best part of the OS.
It also sets up a RAM disk at the same time, but doesn't assign a drive letter.
In other words, if you don't specify the drive letter, you and your apps will
never know it's there as it shares memory with the cache buffer. There're other
neat features, but the main one is truly screaming disk operations. I got better
than a 25% speed increase for Arachne disk operations when I switched to this.
A stand-alone version of this is
ftp://ftp.simtel.net/pub/simtelnet/msdos/diskutil/combi113.zip . This is an
earlier version, and I _think_ it's looking for dosver<=6.0. Maybe you know how
to get around that, or maybe I'm just wrong ;) .
Whatever cache you use, enabling write-behind caching speeds things up. Yes, it
is less stable, especially under NWCACHE. Remember to flush the cache before
turning off or rebooting.
I've assumed that speed is the issue; if it's something else, too let us know.
boB
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