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1992-11-05
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12KB
Date: Wed, 19 Feb 1992 07:24 EST
From: KAUFFMAN_E_WAYNE_II@LILLY.COM
Subject: Speedy System 7 Finder Patches
I came across the following patches ealier this week and am passing them along
to the Mac community. I am not the author!!!
===============================================
Finder 7 Improvements Patches & Info by Renmhir The Moose 30-Jan-92
-----------------------------------------------------------------------------
Here are two versions of patches to fix/augment Finder 7/7.0.1 in the
following ways:
1) Improved throughput on File Copies
The Finder will now use all (but 20k) of remaining Temporary memory as a
buffer for copying/duplicating files. Also, the transfer size has been
boosted to read/write the maximum number of blocks per transaction. Not only
does this dramatically improve throughput (see benchmarks below), but for
single floppy users, entire floppies may be read in, requiring fewer Mac-
wrist actions on the part of the user.
Note: one can install the fast copy patch or the large buffer patches
singly. The current Finder routine uses a 200-block buffer, which is still
an improvement over the 32-blocks-at-time silliness the Finder currently uses.
And for those who LIKE a slow computer, the large buffer (alone) can make
floppy copying a little less physically taxing.
2) Some additional fmap entries
>>>>> Note <<<<<
Also, there is an optional CODE patch to remove the silly ALERT which asks
you if you care about launching an application to open the file which is other
than the one which created the document.
Comments/flames to:
Internet: moofster@world.std.com
Copy Improvement Times
----------------------
Before After
10 MB 1'04" 22" (1 7MB file, 1 3MB file)
5 MB 46" 28" (56 files totalling 1.8MB, 1 3MB file, 1 350k)
3 MB 20" 6" (single 3MB file)
====================================================
Brought to you by Wayne Kauffman Internet Wayne@lilly.com
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