Re: Prime 5 multiple calc
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Re: Prime 5 multiple calc
Sorry, I was too lazy to download any kind of documentation. Thanks
for the explanation.
On 30 Sep 1998 23:47:07 GMT, stl137@aol.com (STL137) wrote:
>
>Oooh, a PRIME5 question. I'm the author, so I'll take this.
>PRIME5 uses absolutely *no* link protocols. No central server, no nothing. If
>you'd kindly read the large, descriptive, and useful documentation I
>painstakingly created, then you'd know... here, I'll copy it for ya. :-D
>
>PRIME5D:
>The Distributed Calculating Program
>This is also EXACTLY LIKE PRIME5, except for two things. First of all,
>if you wish to have this on your calculator, you're going to pay with
>52 bytes, as compared to PRIME5. PRIME5D is not faster than PRIME5,
>(as PRIME5B was). What PRIME5D *does* let you do is truly nifty. Here's
>how it works. PRIME5D allows you to spread the often time consuming
>task of factoring/primality testing a number over many TI-85s! First,
>PRIME5D is loaded onto several calculators. Then, each starts it, and
>enters in the number to be tested. THEN, (and this is the new part),
>each calculator must choose a chunk of work to take. When it asks for
>Start# and End#, each calculator must choose a range. One calc's range
>has to start at 4, and another calc's range has to end at 51. Remember
>those numbers. Attempt to make the ranges as equally large as possible.
>For example, say three people with TI-85s want to work on 17439280249.
>They each enter it in, then the people choose these ranges:
>Al: 4 to 19
>Bob: 20 to 35
>Carl: 36 to 51
>Lowest number is the Start#, highest is the End#. All the numbers
>between 4 and 51, inclusive, have to be worked on by someone. Also,
>no one should overlap with anyone else's work. That is why Al stops
>working at 19 and Bob starts at 20. Get the idea? :-D With 3 people,
>PRIME5D will go 3x as fast as PRIME5. With 10 people, PRIME5D will go
>10x as fast as PRIME5. NIFTY! If you wish to make PRIME5D operate
>exactly like PRIME5 (single calc use), choose a range of 4 to 51. If
>you use PRIME5D, please see the note below....
>Oh yeah. PRIME5D won't say "Prime", because that might mislead you.
>What it says, is "No factor found." If all the TI-85 calculators
>working on a number report no factor found, then you may conclude
>it is prime (IF AND ONLY IF all the numbers in the range 4 to 51
>inclusive get worked on by someone.)
>And if you try to use numbers outside the range of 4 to 51, or
>nonintegers, PRIME5D won't be too happy. I refuse to waste space
>writing code that detects noninteger values or values outside
>the range 4 to 51.
>Oh yeah. No calculator linking is involved! Yay!
>
>See that last line? Kewl. Hope this helps.
>Thank you for using PRIME5!
>------
>STL137@aol.com ===> Website: http://members.aol.com/stl137/
>PGP keys: ~~~pgp.html Quotes: ~~~quotes.html
>"I have sworn upon the altar of God eternal hostility against every form of
>tyranny over the mind of man" - Thomas Jefferson
>
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