How to make Python run as fast (or faster) than Julia

[bartc]

On 27/02/2018 02:27, Chris Angelico wrote:
> On Tue, Feb 27, 2018 at 12:57 PM, bartc <bc at freeuk.com> wrote:
>> On 27/02/2018 00:35, Chris Angelico wrote:

>> Anyway, even this pure Python version can deliver pseudo random numbers at
>> some 200,000 per second, while the built-in generator does 450,000 per
>> second, so it's not bad going.
> 
> The built-in generator is using a completely different algorithm
> though, so rate of generation isn't the entire story. How long is the
> period of the one you're using? (How long before it loops?)

I believe it's 5*2**1320480*(2**64-1) according to the author's comment.

I haven't tested that.

(By looping I understand that to mean, before the same sequence starts 
again. Because as the numbers are 64 bits, individual numbers will 
inevitably be repeated from time to time.)


-- 
Bartc