On Fri, Dec 26, 2014 at 1:39 PM, Antoine Pitrou
On Fri, 26 Dec 2014 13:11:19 -0700 David Mertz
wrote: I think the 5-6 year estimate is pessimistic. Take a look at http://en.wikipedia.org/wiki/Xeon_Phi for some background.
"""Intel Many Integrated Core Architecture or Intel MIC (pronounced Mick or Mike[1]) is a *coprocessor* computer architecture"""
Enough said. It's not a general-purpose chip. It's meant as a competitor against the computational use of GPU, not against traditional general-purpose CPUs.
Yes and no: The cores of Intel MIC are based on a modified version of P54C design, used in the original Pentium. The basis of the Intel MIC architecture is to leverage x86 legacy by creating a x86-compatible multiprocessor architecture that can utilize existing parallelization software tools. Programming tools include OpenMP, OpenCL, Cilk/Cilk Plus and specialised versions of Intel's Fortran, C++ and math libraries. x86 is pretty general purpose, but also yes it's meant to compete with GPUs too. But also, there are many projects--including Numba--that utilize GPUs for "general computation" (or at least to offload much of the computation). The distinctions seem to be blurring in my mind. But indeed, as many people have observed, parallelization is usually non-trivial, and the presence of many cores is a far different thing from their efficient utilization.
Regards
Antoine.
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