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The following page has been changed by udanax:
http://wiki.apache.org/hama/Architecture

* A map task receives a blockID n as a key, and two submatrices as its value
* Reduce task computes sum of blocks
 === Computes maximum absolute row sum ===
+ === Find the maximum absolute row sum of matrix ===
* https://issues.apache.org/jira/browse/HAMA171
* A map task receives a row n as a key, and vector as its value
* emit (row, the sum of the absolute value of each entries)
* Reduce task selects the maximum one
 === Computes determinant of matrix ===
+ === Compute the determinant of matrix ===
* http://issues.apache.org/jira/browse/HAMA66
