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January 2002, Week 1

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Subject:
Re: Avoiding life as a refugee from MPE
From:
Steve Dirickson <[log in to unmask]>
Reply To:
Steve Dirickson <[log in to unmask]>
Date:
Thu, 3 Jan 2002 16:14:04 -0800
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> Compilers spend nearly all the time in user code, or asking
> the OS formore heap space.

No way. The claim might be reasonable for a comparison of
"instructions that do work locally" as opposed to "instructions that
call OS services", but no way is it accurate for *time*; every file
I/O or memory-allocation call represents, in elapsed time, the
equivalent of thousands or millions of program-internal instructions.

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