Dan Werthimer - CASPER - University of California, Berkeley
Dan Werthimer - CASPER - University of California, Berkeley
Dan Werthimer - CASPER - University of California, Berkeley
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Correlator Comparison - 2009 benchmarks<br />
GPU:<br />
CPU:<br />
1.3 MHz per GPU, Greenhill et al, http://www.scigpu.org<br />
2.0 MHz per 8 core computer, Roy, Gupta, et al, optimized code<br />
FPGA: 10.4 MHz per FPGA (<strong>CASPER</strong> : Xilinx XC5VSX95T roach boards)<br />
Power (critical for SKA)<br />
GPU: 150 watts/MHz (including GPU, CPU/motherboard, P.S.)<br />
CPU:<br />
FPGA:<br />
ASIC:<br />
150 watts/MHz<br />
6 watts per MHz (including digitizers, P.S., CPU, motherboard)<br />
2 watts per MHz (estimate)<br />
(For 32 antenna, dual polarization, 500 MHz correlator)
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