Hi!

The SystemNotification mechanism was slowing down the all process of installing changeset. KCP-0220 improves that a lot, and I show it. When I was doing a similar changeset in my corner, I discovered that Nathanael already sent one. So I just give some benchmark instead.

There is two benchmarks, the first present the very famous piece of code:
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t1 := Time millisecondsToRun: [1 to: 600 do: [:i| Object compile: 'bar', i printString, ' 1 + 2 + 3 + 4 + 5. ^ 100 factorial']].
Transcript show: 'Time to compile 600 methods: ', t1 printString; cr.

t2 := Time millisecondsToRun: [1 to: 600 do: [:i| Object organization classify: (#bar , i printString) asSymbol under: #'dummy-test']].
Transcript show: 'Time to classify 600 methods: ', t2 printString; cr.
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Without the changeset (in a fresh 5878 for instance), the result in the transcript is:
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Time to compile 600 methods: 15461
Time to classify 600 methods: 14907
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and with the change it is:
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Time to compile 600 methods: 3434
Time to classify 600 methods: 3350
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Second benchmark, loading the refactoring browser:
Time millisecondsToRun: [self installFileNamed: 'Refactory-md.3.7.32.mcz']

Gives 103250 ms on a fresh 5878 image, and only 23809 ms with the changeset so 77% faster (!)

Cheers,
Alexandre

-- 
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Alexandre Bergel  http://www.iam.unibe.ch/~bergel
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