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Execute C code Instruction -- 1 clock cycle ( 10^8 per second)
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Run a client side C subroutine -- can do upto 10^6 instructions in time (few milliseconds) that is significant for user
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JavaVM Interpreter -- roughly 50 times slower than C
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JavaVM Just in Time Compiler (effectively compile JavaVM in real time) -- roughly 2 to 8 times slower than C
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Native Java Compiler -- same speed as C
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Perl Interpreter (but does process whole program before interpreting) -- 500 times slower than C except in runtime
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Tcl, JavaScript "true" Interpreters - 5000 times slower than C
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Can still do 100-1000 instructions in time that users don't notice!
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Contact Host via CGI script -- Server, Network and Client HTML page regeneration delay can be measured in seconds.
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