CUSTARD - A Customisable Threaded FPGA Soft Processor and Tools
by Robert G. Dimond, Oskar Mencer, and Wayne Luk
[International Conference on Field Programmable Logic (FPL), Tampere, 2005]


abstract.

We propose CUSTARD--CUStomisable Threaded ARchitecture--a soft processor
design space that combines support for multiple hardware threads and
automatically generated custom instructions. Multiple threads incur
low additional hardware cost and allow ne-grained concurrency without
multiple processor cores or software overhead. Custom instructions,
generated for a specic application, accelerate frequently performed
computations by implementing them as dedicated hardware. In this paper
we present a exible processor and compiler generation system, FPGA
implementations of CUSTARD and performance/area results for media and
cryptography benchmarks.