Welcome back! Sent from my iPhone
On 23/08/2011, at 23:50, Jack <gykazequ...@earthlink.net> wrote: > > For years, I have told people to use as much cache as > possible with UIDE, to handle today's large files and > still "leave space in the cache" for DOS directories. > > Today, Tuesday 23-Aug-2011, I ran "experiments" using > a driver equal to UIDE-S, with a new 10-MB cache size > of 1280 8K-byte data blocks. I never liked the 5-MB > cache that some users MUST have (only 640 blocks, not > enough data!) so I chose to try a 10-MB "tiny" cache. > > I ran my usual test of copying a 635-MB video drivers > CD to disk. With my regular 500-MB UIDE cache, this > test takes around 124 seconds, plus-or-minus about 2. > > With only the 10-MB cache, the test took 128 seconds, > merely 4 seconds more! I checked 25, 50, and 100-MB > caches as well, and none suffered in speed from being > small-sized! Each performed as well, maybe a "hair" > better in some cases, as the 10-MB cache! > > So, it seems I may have been "All wet!" (misinformed) > re: UIDE's cache performance v.s. cache size. Users > may want to check this on their systems, maybe across > a variety of applications. And I expect there are a > few "large file" systems which do need larger caches. > > But, it now seems that "casual" users of DOS and UIDE > need NOT worry re: using only a 25/50/100-MB cache -- > They do seem to perform a LOT better than I expected! > > Jack R. Ellis > > > ------------------------------------------------------------------------------ > EMC VNX: the world's simplest storage, starting under $10K > The only unified storage solution that offers unified management > Up to 160% more powerful than alternatives and 25% more efficient. > Guaranteed. http://p.sf.net/sfu/emc-vnx-dev2dev > _______________________________________________ > Freedos-user mailing list > Freedos-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/freedos-user ------------------------------------------------------------------------------ EMC VNX: the world's simplest storage, starting under $10K The only unified storage solution that offers unified management Up to 160% more powerful than alternatives and 25% more efficient. Guaranteed. http://p.sf.net/sfu/emc-vnx-dev2dev _______________________________________________ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user
