Ralph Johnson   
<[EMAIL PROTECTED]> to A
From: Ralph Johnson <[EMAIL PROTECTED]> 
Date: Aug 8, 2006 7:43 AM


On 8/8/06, ХȻ <[EMAIL PROTECTED]> wrote:
> But, the GC of Smalltalk is not realtime, it's a big problem for realtime
> control.

The GC of Squeak is not realtime, but people have made Smalltalks with
realtime memory management.

The original OTI Smalltalk, which morphed into IBM's VisualAge for
Smalltalk, was real-time.  When OTI reengineered it for IBM, one of
the first things they did was write a faster, but non-realtime,
garbage collector.

See http://www.oovm.com/ for a commercial system that might see the
light of day.  I played with it a bit and it was pretty nice, though
they changed the langauge to improve its performance on very small
machines.

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