Chen Guo wrote: > I'm still working on sort, now as a part of a group project in Professor > Eggert'sclass, and I wanted to show you guys some prelim results. > > Tests are conducted on an otherwise free 8 core machine (Xeon X5460, > 2 dies of 4 cores each). The input file is 1 million lines, 96 MB, and a > buffer size of 500M is specified. > >>From Glen's patch last year, we had elapsed times of > 1 thread: 5.59 s > 4 threads: 2.34 s > 8 threads: 1.94 s > > Our results are: > 1 thread: 5.15 s > 4 threads: 2.05 s > 8 threads: 1.65 s > > The main speed up in the 1 thread case is because we moved > output to the top level of merging. At any rate, expect a patch > submission in a few weeks.
Looking forward to it. Thanks for persevering!
