Understanding your code and optimization for HW is where future progress in HPC is going to come from. Throwing more and more hardware at a problem has a diminishing return.
I recent wrote a paper for InsideHPC/Mellanox about the co-design process where machine designers, coders and application specialist are literally in the same room working on new systems (Summit and Sierra) Back in the day (okay I said it), when there were just a handful of supercomputer companies, each company would have whole teams that would optimize potential customer codes for their machines. On many customer codes they would get huge speedups (the top 20 known packages were well understood on the target machine). I was convinced at one point that customers just roughed out the code, and let the companies optimize for them. But then the customer was plunking down 6-7 figures for a system so code optimization was probably the cheap part of the sales effort. Okay, now get off my lawn. -- Doug > > his is an old article, but it's relevant to the recent discussion on > programming for Xeon Phis, 'code modernization', and the speedups 'code > modernization' can provide. > > https://www.hpcwire.com/2015/08/24/cosmos-team-achieves-100x-speedup-on-cosmology-code/ > > -- > Prentice > > _______________________________________________ > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing > To change your subscription (digest mode or unsubscribe) visit > http://www.beowulf.org/mailman/listinfo/beowulf > > -- > Mailscanner: Clean > -- Doug -- Mailscanner: Clean _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
