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The following page has been changed by udanax: http://wiki.apache.org/hama/PerformanceEvaluation ------------------------------------------------------------------------------ * Dense matrix add * Dense matrix multiply - '''NOTE''' that 10,000 by 10,000 matrix takes 800MB and 1 hour on single node. - - ||<bgcolor="#ececec"> Version ||<bgcolor="#ececec"> Operation ||<bgcolor="#ececec"> Cluster Size ||<bgcolor="#ececec"> Rows ||<bgcolor="#ececec"> Columns ||<bgcolor="#ececec"> Total Maps ||<bgcolor="#ececec"> Total Reduces ||<bgcolor="#ececec"> Time (seconds) ||<bgcolor="#ececec"> Bytes Written|| - ||Trunk 712655 ||Add ||2 node ||1,000 ||1,000 ||2||2||17 seconds ||66,326,104|| - ||Trunk 712658 || Mult ||2 node ||300 ||300 ||2||2||181 seconds || 5,929,512 || - - ||<bgcolor="#ececec"> Version ||<bgcolor="#ececec"> Operation ||<bgcolor="#ececec"> Cluster Size ||<bgcolor="#ececec"> Rows ||<bgcolor="#ececec"> Columns ||<bgcolor="#ececec"> Total Maps ||<bgcolor="#ececec"> Total Reduces ||<bgcolor="#ececec"> Time (seconds) ||<bgcolor="#ececec"> Bytes Read ||<bgcolor="#ececec"> Bytes Written|| + ||<bgcolor="#ececec"> Version ||<bgcolor="#ececec"> Operation ||<bgcolor="#ececec"> Cluster Size ||<bgcolor="#ececec"> Rows ||<bgcolor="#ececec"> Columns ||<bgcolor="#ececec"> Total Maps ||<bgcolor="#ececec"> Total Reduces ||<bgcolor="#ececec"> Time (seconds) ||<bgcolor="#ececec"> Bytes Read ||<bgcolor="#ececec"> Bytes Written||<bgcolor="#ececec"> mapred.child.java.opts || - ||Trunk 718158 || Mult ||2 node ||300 ||300 ||2||2||12 seconds ||1,464,484 || 2,929,092|| + ||Trunk 718158 || Mult ||2 node ||300 ||300 ||2||2||12 seconds ||1,464,484 || 2,929,092|| -Xmx200m || - ||Trunk 720735 || Mult ||2 node ||1,000 ||1,000 ||2||2||20 seconds || 16,166,452 || 32,333,028 || + ||Trunk 720735 || Mult ||2 node ||1,000 ||1,000 ||2||2||20 seconds || 16,166,452 || 32,333,028 || -Xmx200m || - ||Trunk 722320 || Add || 2 node ||3,000 ||3,000 ||4||2||298 seconds || 1,053,503,366 || 1,575,781,107 || + ||Trunk 722320 || Add || 2 node ||3,000 ||3,000 ||4||2||298 seconds || 1,053,503,366 || 1,575,781,107 || -Xmx200m || - ||Trunk 722320 || Mult ||2 node ||3,000 ||3,000 ||4||2||124 seconds || 590,672,392 || 872,228,808 || + ||Trunk 722320 || Mult ||2 node ||3,000 ||3,000 ||4||2||124 seconds || 590,672,392 || 872,228,808 || -Xmx200m || {{{ NOTE: The following numbers are obtained by using poe+ on the entire code, including minimal I/O and matrix construction.
