Sucessful upgrade of 3B1 from 1MB to 2MB

mark varnell mark at mkvpc.UUCP
Sat Jan 21 11:41:45 AEST 1989


I would like to thank Peter Fales (att!ttrde!pfales) and Andrew Hay 
(att!mvuxq!adh) for posting what they did to
upgrade their 1-Meg. UNIX-PCs to 2-Meg of memory
<810 at ttrde.UUCP> and <2981 at cbnews.ATT.COM>.
My machine has the same type motherboard as Andrew's and sat with the
2nd Meg installed but not doing any good for about 7 months.

Just for anyone who is interested, I timed a few commands before and
after getting my upgrade working.
Besides the improvements listed below,
things do seem to zip along a little better, especially 'ua'.
Below are three commands that I timed using the 'time' command.

# First I ran compress on a text file with 89776 characters:
	BEFORE			AFTER
real	1m29.33s		0m10.81s
user	0m8.28s			0m7.71s
sys	0m1.50s			0m1.16s

(This improvement seems a bit extreme compared to one below. I did a
compress -d filename before timing the compress command after the upgrade
which may have sped things up a bit???)

# Next I compiled a small c-program (7672 chars):
	BEFORE			AFTER
real	0m37.95s		0m32.83s
user	0m17.91s		0m18.00s
sys	0m3.55s			0m3.40s

# Finally in my home directory I did a /bin/ls:
	BEFORE			AFTER
real	0m0.68s			0m0.66s
user	0m0.05s			0m0.06s
sys	0m0.20s			0m0.13s

Both times I timed these commands no uucp or daemon activity was going on
(I think) so they should be approximate estimations of the improvement
due to the memory upgrade.

-- 
           +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
            Mark Varnell mark at mkvpc.UUCP
            {mtune!gladys, kd4nc!gladys, bakerst}!rbdc!mkvpc!mark
           +++++++++++++++++++++++++++++++++++++++++++++++++++++++++



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