The system I built/overclocked is a Pentium-II 266 with a Shuttle
Computer International HOT-641 motherboard and 256 megs of 10ns RAM.
The original bus clock speed was 66 mhz which I upped to 83 mhz in the
BIOS Configuration Utility. I had to remove the case and train a 3"
desk fan on the CPU to
Aaron,
You are correct in identifying overheating as the main problem. Most
major manufactures give a maximum air temperature of 35-40C inside the PC
case. If the air temperature is lower, the processor will run somewhat
faster. The speedup is on the order of 1-3MHz per degree C, depending
Luke Welsh writes:
TTBOMK, the theory was never formalized. Regardless, Peter Lawrence
Montgomery settled the issue:
http://www2.netdoor.com/~acurry/mersenne/archive2/0032.html
I assume that the island theory was settled in the negative? I have read the
post, and others. Instead of
> > And below M3600, there are 159,975 exponents (again repeating Brian)
> > with at least 10 million digits.
>
> Fine, but are the efforts being made in that region centrally registered?
Not to my knowledge - seems pointless since few programs currently
available can cope with exponents in
Paul Leyland <[EMAIL PROTECTED]> wrote:
>The radix is always 10.
{snip}
>or, more concisely, (1+1+1)^(1+1) + 1.
>
>Can anyone represent that number in fewer than (1+1+1)! ones?
How about
1 << 1,
where the shift is, of course, decimal.
Your shifty friend,
-Ernst
At 09:10 AM 6/8/99 +0100, you wrote:
>On Mon, Jun 07, 1999 at 04:37:32PM -0500, JON STRAYER wrote:
>> > You need to test exponent (1000 / log 2) = 33219281 or above.
>
>Time for an n bit multiply using DWT is O(n log n) plus some fiddly
>bits to do with decreasing precision available when usin
Hi,
An aside: Please try to rename the subject like I did
above when the thread has strayed way off the original topic). Thanks.
At 06:34 AM 6/8/99 -0500, Mikus Grinbergs wrote:
>I have seen opinions on this mailing list that the
>existing 16-hour self-test might not be enough to bring
Hi,
At 04:39 PM 6/7/99 -0700, J. Williams wrote:
>Error: Illegal Sumout
This error can be a hardware problem, but is very often caused by a
faulty driver or program (usually related to the audio card).
>Is this anything I need to be concerned about and is there a listing of
>such messages?
Thi
L.S.,
> And below M3600, there are 159,975 exponents (again repeating Brian)
> with at least 10 million digits.
Fine, but are the efforts being made in that region centrally registered?
YotN,
Henk Stokhorst.
Unsubscribe & l
> If you've overclocked your system at all (_not_ reccomended, but I
> know it can be successful in some cases) then I suggest you let
> the torture test run for a couple of days before committing yourself
> to doing "real" work. It can happen that an overclocked system
> appears to run fine for "
Note to the QA testers:
I personally do not overclock, but from time to time I do upgrade
motherboards. I have seen opinions on this mailing list that the
existing 16-hour self-test might not be enough to bring hardware
deficiencies to light. Someone suggested running the torture
test - but is
Mersenne Digest Tuesday, June 8 1999 Volume 01 : Number 570
--
Date: Mon, 7 Jun 1999 11:01:43 +0200
From: "Steinar H. Gunderson" <[EMAIL PROTECTED]>
Subject: Mersenne: Re: Mersenne Digest V1 #568
On Sat, Jun
On Tue, Jun 08, 1999 at 11:53:30AM +0200, Alex Kruppa wrote:
>The math is really quite simple: a number n has log_10(n) (logarithm with base 10)
>decimal digits or ld(n) (ld = log_2 = logarithm with base 2) bits.
>You can do a base conversion between logarithms from base a to base b by
>dividing l
On Mon, Jun 07, 1999 at 04:37:32PM -0500, JON STRAYER wrote:
> I'm I correct in thinking that since the exponent is five times the
> size of current exponents that the LL test will take 25 times as
> long (give the same processor)?
>
> > You need to test exponent (1000 / log 2) = 33219281 or
"Ethan Hansen" <[EMAIL PROTECTED]> writes:
> This is especially important if you are using a Xeon
> processor, as there are interesting cache functionality problems that only
> appear when a certain percentage of the die is used.
Eh?
256K FFT = 2Mbyte work vector. Two copies needed, plus odds &
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