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This page contains an archived post to the Design Forum (formerly called the Flexible Java Forum) made prior to February 25, 2002.
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Message:
HotSpot on Merced looks nice...
Posted by Cagatay Kavukcuoglu on 19 Jun 1998, 1:56 AM
I don't hear much about the potential of HotSpot on a VLIW
architecture like Merced. They are particularly well suited
to each other because VLIW depends heavily on the compiler to
do optimization and find out "hidden" parallelism. The downside
is the dependence of the compiler, and so the binaries to a particular
microprocessor architecture (I know EPIC has some tricks like
templates that helps with this). What HotSpot means for VLIW is
a change from hardware-based runtime optimization (out of order
execution, branch prediction, vs.) to a software-based solution
to manage the runtime image of an application. IMHO, the fact
that HotSpot can do this at runtime instead of compile-time
will mean a performance advantage over traditional compilers
Every time I hear Intel doing Java research, the more I believe
they have already thought this out...But it's just me, maybe.
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