Author: Armin Rigo <[email protected]>
Branch:
Changeset: r44913:882f8fdb1244
Date: 2011-06-13 21:53 +0200
http://bitbucket.org/pypy/pypy/changeset/882f8fdb1244/
Log: Add a paragraph for optimizing shadowstack (as a better alternative
to an LLVM backend imho).
diff --git a/pypy/doc/project-ideas.rst b/pypy/doc/project-ideas.rst
--- a/pypy/doc/project-ideas.rst
+++ b/pypy/doc/project-ideas.rst
@@ -124,6 +124,13 @@
for our needs. It's possible that this has changed, reviving the LLVM backend
(or writing new from scratch) for static compilation would be a good project.
+(On the other hand, just generating C code and using clang might be enough.
+The issue with that is the so-called "asmgcc GC root finder", which has tons
+of issues of this own. In my opinion (arigo), it would be definitely a
+better project to try to optimize the alternative, the "shadowstack" GC root
+finder, which is nicely portable. So far it gives a pypy that is around
+7% slower.)
+
.. _`issue tracker`: http://bugs.pypy.org
.. _`mailing list`: http://mail.python.org/mailman/listinfo/pypy-dev
.. _`jitviewer`: http://bitbucket.org/pypy/jitviewer
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