Hi,

Some more LBACACHE vs. SMARTDRV tests, I think these are the last ones for
now.

Tests for 386 SX/20, 31 MB FAT16 partition on SCSI hard drive
CONFIG.SYS and AUTOEXEC.BAT remain the same except for the changes in
caching method.

No disk cache, 3:39

LBACACHE 2 MB, 2:54
SMARTDRV 2 MB, 2:34
SMARTDRV WC 2 MB, 1:15

LBACACHE 8 MB, 2:36
SMARTDRV 8 MB, 2:28
SMARTDRV WC 8 MB, 0:50

*** Info: LBACACHE 2 MB ***
XMS handle has size (in kB) 00002048
read  hits:   00016871  read  misses: 00005971
write hits:   00008396  write misses: 00011763
*** kilo-reads:   0022  --> percentage of hits:  0073
*** kilo-writes:  0020  --> percentage of hits:  0041

*** Info: SMARTDRV 2 MB ***
Room for    256 elements of   8,192 bytes each
There have been   4,684 cache hits
    and   3,364 cache misses
Cache size:  2,097,152 bytes
drive   read cache   write cache   buffering
  C:       yes           no           no

*** Info: SMARTDRV WC 2 MB ***
Room for    256 elements of   8,192 bytes each
There have been   6,958 cache hits
    and   1,097 cache misses
Cache size:  2,097,152 bytes
drive   read cache   write cache   buffering
  C:       yes           yes          no

*** Info: LBACACHE 8 MB ***
0x083A  XMS handle has size (in kB) 00008192
read  hits:   00020675  read  misses: 00001967
write hits:   00009444  write misses: 00010697
*** kilo-reads:   0022  --> percentage of hits:  0091
*** kilo-writes:  0020  --> percentage of hits:  0046

*** Info: SMARTDRV 8 MB ***
Room for   1,024 elements of   8,192 bytes each
There have been   4,682 cache hits
    and   3,339 cache misses
Cache size:  8,388,608 bytes
drive   read cache   write cache   buffering
  C:       yes           no           no

*** Info: SMARTDRV WC 8 MB ***
Room for   1,024 elements of   8,192 bytes each
There have been   7,152 cache hits
    and    812 cache misses
Cache size:  8,388,608 bytes
drive   read cache   write cache   buffering
  C:       yes           yes          no

Tests for AMD K5 PR166, 256 MB FAT16 partition on IDE/EIDE hard drive
CONFIG.SYS and AUTOEXEC.BAT remain the same except for the changes in
caching method.

No disk cache, 3:04

LBACACHE 4 MB, 2:40
SMARTDRV 4 MB, 0:42
SMARTDRV WC 4 MB, 0:35

LBACACHE 16 MB, 0:33
SMARTDRV 16 MB, 0:31
SMARTDRV WC 16 MB, 0:19

*** Info: LBACACHE 4 MB ***
XMS handle has size (in kB) 00004096
read  hits:   00013968  read  misses: 00042937
write hits:   00003513  write misses: 00017897
*** kilo-reads:   0056  --> percentage of hits:  0024
*** kilo-writes:  0021  --> percentage of hits:  0016

*** Info: SMARTDRV 4 MB ***
Room for    512 elements of   8,192 bytes each
There have been   8,543 cache hits
    and   10,315 cache misses
Cache size:  4,194,304 bytes
drive   read cache   write cache   buffering
  C:       yes           no           no

*** Info: SMARTDRV WC 4 MB ***
Room for    512 elements of   8,192 bytes each
There have been   15,021 cache hits
    and   3,873 cache misses
Cache size:  4,194,304 bytes
drive   read cache   write cache   buffering
  C:       yes           yes          no

*** Info: LBACACHE 16 MB ***
XMS handle has size (in kB) 00016384
read  hits:   00043294  read  misses: 00013613
write hits:   00003556  write misses: 00017867
*** kilo-reads:   0056  --> percentage of hits:  0076
*** kilo-writes:  0021  --> percentage of hits:  0016

*** Info: SMARTDRV 16 MB ***
Room for   2,048 elements of   8,192 bytes each
There have been   10,211 cache hits
    and   8,573 cache misses
Cache size:  16,777,216 bytes
drive   read cache   write cache   buffering
  C:       yes           no           no

*** Info: SMARTDRV WC 16 MB ***
Room for   2,048 elements of   8,192 bytes each
There have been   16,820 cache hits
    and   1,999 cache misses
Cache size:  16,777,216 bytes
drive   read cache   write cache   buffering
  C:       yes           yes          no

I hope that these tests are useful to you.

Justin



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