%T BPU Simulator
%A Martin Rehr, Kenneth Skovhede, Brian Vinter
%E Peter H. Welch, Frederick R. M. Barnes, Jan F. Broenink, Kevin Chalmers, Jan Bækgaard Pedersen, Adam T. Sampson
%B Communicating Process Architectures 2013
%X A number of scientific applications start their life as a
Matlab prototype that is later re\-implemented in a low
level programming language, typically C++ or Fortran for the
sake of performance. Bohrium is a project that seeks to
eliminate both the cost and the potential errors introduced
in that process. Our goal is to support all execution
platforms, and in this work we introduce the
Bohrium Processing Unit, BPU, which will be the FPGA backend
for Bohrium. The BPU is modeled as a PyCSP application, and
the clear advantages of using CSP for simulating a new CPU
is described. The current PyCSP simulator is able to
simulate 2^20 Monte Carlo simulations in less than 35
seconds in the smallest BPU simulation.
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