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From Amareshwari Sri Ramadasu <amar...@yahoo-inc.com>
Subject Re: How to write a matrix multiplication program in C ++ using Hadoop?
Date Thu, 07 Feb 2008 11:57:39 GMT
You can use Hadoop pipes for c++ map/reduce.
Some info available at 
http://hadoop.apache.org/core/docs/r0.15.3/api/org/apache/hadoop/mapred/pipes/package-summary.html
Hadoop wrote:
> I do not see any code at the link : 
> https://issues.apache.org/jira/browse/HADOOP-2515
> and when I tried to register to login, I got following the error message:
>
> Errors: Your session has timed out
>
> I have found this link at Haoop web site:
> http://wiki.apache.org/hadoop/Matrix?highlight=%28matri%29
> but it does not solve my problem for three reasons:
> 1-The code is for shared-memory architecture but I am looking for a code for
> multicomputer (commodity cluster) architecture 
> 2- The code generate random numbers for the matrix but I am looking for a
> code to read the inputs form text files and write the result to a text file
> 3- How can I write the code in c++ and run it on Haoop?
>
>
>
>
> edward yoon-3 wrote:
>   
>> Please see https://issues.apache.org/jira/browse/HADOOP-2515
>>
>> On 1/26/08, Hadoop <hadoop@hotmail.com> wrote:
>>     
>>> How can I write a C++ program that reads two text files (MatriX1 and
>>> Matrix2),
>>> multiplies the two matrices, and writes the result in a text file
>>> (Matrix3)
>>> using Hadoop?
>>>
>>>
>>> --
>>> View this message in context:
>>> http://www.nabble.com/How-to-write-a-matrix-multiplication-program-in-C-%2B%2B-using-Hadoop--tp15013753p15013753.html
>>> Sent from the Hadoop lucene-users mailing list archive at Nabble.com.
>>>
>>>
>>>       
>> -- 
>> B. Regards,
>> Edward yoon @ NHN, corp.
>>
>>
>>     
>
>   


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