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We need to use compilers on tightly coupled systems such as MPP's (shared and distributed memory)
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But for metacomputing, the hardware intrinsically has latencies that suggests increased flexibility of interpreters is more appropriate
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This implies a hybrid compiler-interpreter environment
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Maybe frontends should be built with interpreters such as object-oriented PERL5 so easier to link with Web.
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Note that interpreted environment will have best software engineering support and so suggestion is -- taking SP2 as example:
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debug on SP2 set up with compute-enhanced Web Server on each node with say MPI running on top of HTTP message passing protocol
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execute debugged code on conventional SP2 with high performance compiled environment
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