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Re: GNU Java Compiler and Swarm
From: |
Marcus G. Daniels |
Subject: |
Re: GNU Java Compiler and Swarm |
Date: |
23 Jun 2001 09:51:48 -0600 |
User-agent: |
Gnus/5.070084 (Pterodactyl Gnus v0.84) Emacs/20.7 |
>>>>> "PJ" == pauljohn <address@hidden> writes:
PJ> This is still much slower than the objective-c version. Do you see it too?
The next thing is to get -pg -static working. That means that the
dynamic linking emulation needs to work like it does in that Kaffe
profiling example I posted a while ago.. I'll probably have something
to report on that soon. (Profiling code that uses dynamic linking is
hard to do in a portable way..)
>From that, we'll either find a bottleneck in libgcj itself or perhaps
a more expensive garbage collection problem. Then there are the
Objective-C <-> Java lookup conversions. With gcj, we can treat everything
as a C object, so these lookups can be eliminated in favor of extra
ivars, thus eliminating the lookups.
So we should be seeing performance improvements..
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Re: GNU Java Compiler and Swarm - some tactics, jones . peter, 2001/06/23