Speed of csvReader

data pulverizer via Digitalmars-d-learn digitalmars-d-learn at puremagic.com
Thu Jan 21 14:46:20 PST 2016


On Thursday, 21 January 2016 at 20:46:15 UTC, Gerald Jansen wrote:
> On Thursday, 21 January 2016 at 09:39:30 UTC, data pulverizer 
> wrote:
>> I have been reading large text files with D's csv file reader 
>> and have found it slow compared to R's read.table function
>
> This great blog post has an optimized FastReader for CSV files:
>
> http://tech.adroll.com/blog/data/2014/11/17/d-is-for-data-science.html

Thanks a lot Gerald, the blog and the discussions were very 
useful and revealing - for me it shows that you can use the D 
language to write fast code and then if you need it, to wring 
more performance and you can go as low level as you want all 
without leaving the D language or its tooling ecosystem.


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