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Almost all supercomputer type apps need double or extended precision floating point arithmetic, especially computational chemistry codes. You should consider Itanium, which will do up to 8 DP instructions/clock cycle. At 800Mhz, it will peak at 6.4 GFlops DP. This is one of the reasons Intel bought Kuck & Associates, to provide vectorization capability to their own compilers.
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Almost all supercomputer type apps need double or extended precision floating point arithmetic, especially computational chemistry codes.
You should consider Itanium, which will do up to 8 DP instructions/clock cycle.
At 800Mhz, it will peak at 6.4 GFlops DP.
This is one of the reasons Intel bought Kuck & Associates, to provide vectorization capability to their own compilers.