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Date:      Mon, 29 Dec 2003 23:16:31 -0600
From:      Dan Nelson <>
To:        Nigel Weeks <>
Subject:   Re: Is it true?...
Message-ID:  <>
In-Reply-To: <00b401c3ce8a$9f447ba0$>
References:  <00b401c3ce8a$9f447ba0$>

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In the last episode (Dec 30), Nigel Weeks said:
> If I have 'MATH_EMULATE' in my kernel, will it:
> A. Detect that the processor has a hardware FPU, and use that instead
> B. Use the software one, ignoring the hardware FPU?
> (Hopefully the latter - a performance jump will be nice...)

The former.  Hardware FPU is much faster than software emulation. 
MATH_EMULATE is only necessary for CPUs with no hardware FP at all
(386sx or possibly embedded 486-class CPUs).

	Dan Nelson

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