Talk:Ulam numbers: Difference between revisions

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The total time for the 100,000<sup>th</sup> Ulam number using the original REXX program would've taken a little over three years, and that is on Paul Kislanko's PC. &nbsp; &nbsp; On my old slow PC, &nbsp; it would've taken about a decade or thereabouts. &nbsp; &nbsp; -- [[User:Gerard Schildberger|Gerard Schildberger]] ([[User talk:Gerard Schildberger|talk]]) 21:22, 4 December 2020 (UTC)
The total time for the 100,000<sup>th</sup> Ulam number using the original REXX program would've taken a little over three years, and that is on Paul Kislanko's PC. &nbsp; &nbsp; On my old slow PC, &nbsp; it would've taken about a decade or thereabouts. &nbsp; &nbsp; -- [[User:Gerard Schildberger|Gerard Schildberger]] ([[User talk:Gerard Schildberger|talk]]) 21:22, 4 December 2020 (UTC)

:It certainly demonstrates the importance of using a decent algorithm.

:I was quite pleased with my first version but it's been trumped twice now by the Phix and XPL0 algorithms! --[[User:PureFox|PureFox]] ([[User talk:PureFox|talk]]) 21:36, 4 December 2020 (UTC)

Revision as of 21:36, 4 December 2020

timing for the 100,000th Ulam number

The total time for the 100,000th Ulam number using the original REXX program would've taken a little over three years, and that is on Paul Kislanko's PC.     On my old slow PC,   it would've taken about a decade or thereabouts.     -- Gerard Schildberger (talk) 21:22, 4 December 2020 (UTC)

It certainly demonstrates the importance of using a decent algorithm.
I was quite pleased with my first version but it's been trumped twice now by the Phix and XPL0 algorithms! --PureFox (talk) 21:36, 4 December 2020 (UTC)