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Technology Stocks : All About Sun Microsystems
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To: Scott McPeely who wrote (9069)4/15/1998 1:55:00 PM
From: Scott McPeely  Read Replies (1) of 64865
 
Meet Java's savior, Henry Massalin: cs.columbia.edu

cs.columbia.edu

The Synthesis kernel combines several new techniques to provide
high performance without sacrificing the expressive power or security
of the system. The new ideas include:

Run-time code synthesis -- a systematic way of creating executable
machine code at runtime to optimize frequently-used kernel routines --
queues, buffers, context switchers, interrupt handlers, and system
call dispatchers -- for specific situations, greatly reducing their execution time.

Fine-grain scheduling -- a new process-scheduling technique based on
the idea of feedback that performs frequent scheduling actions and
policy adjustments (at sub-millisecond intervals) resulting in an
adaptive, self-tuning system that can support real-time data streams.

Lock-free optimistic synchronization is shown to be a practical,
efficient alternative to lock-based synchronization methods for the
implementation of multiprocessor operating system kernels. An
extensible kernel design that provides for simple expansion to support
new kernel services and hardware devices while allowing a tight
coupling between the kernel and the applications, blurring the
distinction between user and kernel services.

The result is a significant performance improvement over traditional
operating system implementations in addition to providing new
services.

**********************

The origin of Hotspot. Maybe Sun should just hire the guy instead of
stealing his work so we don't have to waste another two years on the
JavaOS.
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