Bill Allombert on Mon, 17 Feb 2020 23:43:57 +0100


[Date Prev] [Date Next] [Thread Prev] [Thread Next] [Date Index] [Thread Index]

Re: Please test pari-2.11.3 prerelease 1


On Mon, Feb 17, 2020 at 07:47:37PM +0000, James Wanless wrote:
> Hi Bill
> 
> Great, thanks! Fixed.
> 
> [Though I ought to just mention there’s possibly a speed regression???
> On macports version of single-threaded 2.11:
> ? ##
>   ***   last result computed in 24,431 ms.
> On this latest binary (4 threads) :
> ? ##
>   ***   last result computed in 57,177 ms. ]

Could you check using the real time instead of the CPU time ?

p=nextprime(10^500);
for(i=1,10,setrand(i);t=getwalltime();C=primecert(p);print(i,":",getwalltime()-t))

Cheers,
Bill.