Date: Sun, 6 Oct 1996 13:27:32 +1000 From: Bruce Evans <bde@zeta.org.au> To: ache@nagual.ru, bde@zeta.org.au Cc: current@FreeBSD.ORG, freebsd-hackers@FreeBSD.ORG, joerg_wunsch@uriah.heep.sax.de Subject: Re: I plan to change random() for -current (was Re: rand() and random()) Message-ID: <199610060327.NAA08899@godzilla.zeta.org.au>
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>You forget the fact that srandom() called only _once_ (usually), >so speed is unimportant here. I was thinking of getting it right here and copying it to the kernel random() and the user rand(). >> Perhaps make this a subroutine to avoid duplication and allow easy >> changing. Division takes 10-20 times longer than a subroutine call >> on Pentiums. Actually 5-10 times on Pentiums, 3-5 times on 486's, 1-2 times on 386's. >We can't relay on Pentium times in machine-independent code. Speed is unimportant here :-). >I am thinking about making it #define or inline, which one >is better? Inline. Bruce
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