3 ms·
If older chips from Intel and AMD could be overclocked to twice their baseline rates with high-end cooling, I wonder what you could clock this beast up to? And
by api 13y ago
If older chips from Intel and AMD could be overclocked to twice their baseline rates with high-end cooling, I wonder what you could clock this beast up to?
And yes there is a market for this. There are certain workloads that are simply not parallelizable -- they're linear chains of dependencies where the output of the first process goes into the second and so on and each step depends on all N-1 steps.
- DanBC 13y agoHere's a nice example of a challenge that is very hard to parallelize (http://people.csail.mit.edu/rivest/lcs35-puzzle-description.txt http://people.csail.mit.edu/rivest/lcs35-puzzle-description....) (http://crypto.stackexchange.com/questions/5831/what-is-the-progress-on-the-mit-lcs35-time-capsule-crypto-puzzle http://crypto.stackexchange.com/questions/5831/what-is-the-p...) (https://people.csail.mit.edu/rivest/pubs/RSW96.pdf https://people.csail.mit.edu/rivest/pubs/RSW96.pdf)
- DuskStar 13y agoContrary to this, AMD's current strength is extremely multithreaded wordloads, and their single-threaded performace is rather slow. http://www.anandtech.com/show/6396/the-vishera-review-amd-fx8350-fx8320-fx6300-and-fx4300-tested/2 http://www.anandtech.com/show/6396/the-vishera-review-amd-fx... This shows at least part of what I mean - Vishera (slightly lower clocks than what was just announced) loses to Ivy Bridge by a mile in most single-tread tests, but nearly ties in multithreaded ones.
- samatman 13y agoA classic example being numeric approximations of ordinary differential equations. Parametric curve fitting, however, is an embarrassingly parallel application of chained ODE solutions. That is to say, for most strictly serial processes, there's an application where you'll want to run it many times on independent data.