[DUG] Saving aray

[Jeremy Coulter]

or count slower... :-)

Jeremy


On Mon, Jul 7, 2014 at 9:21 PM, Leigh Wanstead <leigh.wanstead at gmail.com>
wrote:

> Hi John,
>
> I would not bother that much. Just save to csv should be fine.
>
> 1.5 million is not that much. 1 billion might be more interesting. :-)
>
> Otherwise save as record as binary file.
>
> Regards
> Leigh
>
>
> On 7 July 2014 20:35, John Bird <johnkbird at paradise.net.nz> wrote:
>
>>   I have a program that builds a very large array (over 1,500,000) of
>> integers, and the calculation to fill the array takes quite a while –
>> around 40-50 secs.   If there is a quick way to do it, I would save the
>> array to disk if it was faster than recalculating it the next time.
>>
>> I am guessing that writing the elements to strings and using CSV etc
>> would be quite slow, as it involves quite a lot of processing.   I will run
>> a test to see.
>>
>> Is there any really fast way to save such an array to disk?   The numbers
>> range between 0 and 256 if that helps.
>>
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>
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