In 1996 the fastest computers in the world reached about 1 teraflop in performance. Today you can hop on EC2 and use one (or say, 8) for $17 / instance-hour.
http://www.allthingsdistributed.com/2010/11/cluster_gpu_instances_a...These use NVIDIA GPUs with their CUDA API. So taking advantage of the performance would require some custom coding. But you can't beat that price.
Pat
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