Re: Is short-circuit evaluation possible with parfor() ?

["Ruud H.G. van Tol" <rvtol@isolution.nl>]

On 2026-02-10 07:23, Ruud H.G. van Tol wrote:

> ? upto(lim)= [ n |n<-[1..lim], isok3(n) ];
>
> ? upto(200)
> cpu time = 8,714 ms, real time = 1,086 ms.
> %30 = [18, 23, 24, 32, 50, 78, 86, 88, 115, 118, 131, 133, 137, 143, 
> 145, 146, 149, 152, 153, 157, 159, 162, 165, 190]
>
> BTW, for the OEIS-entry, such an "upto" (or "a_upto") is IMO preferred 
> over any code-example that uses print1.

Alternatively:

first(nn)= my(n=0); vector(nn, i, while(!isok3(n++), ); n)

? first(24)
cpu time = 6,632 ms, real time = 848 ms.
%40 = [18, 23, 24, 32, 50, 78, 86, 88, 115, 118, 131, 133, 137, 143, 
145, 146, 149, 152, 153, 157, 159, 162, 165, 190]

Beware: unfair time comparison.
:)

-- Ruud