[chuck] shreduler skew : critical patch

[Ge Wang]

Dear All,

We have discovered and fixed a shreduling issue where
accumulated rounding errors caused timing skew depending
on the duration used to advanced time.  It is noticeable in
tightly timed shreds (like otf_*.ck) after a few minutes.
This problem has been fixed.  chuck-1.1.5.2 is identical
to the earlier release today except for this fix.  This
is what Micro$oft might call a "critical update".

    http://chuck.cs.princeton.edu/

If you get this update, fire up otf_*.ck : the easiest
way (using Perry's one shell manuever):

   > chuck --loop &
   > chuck + otf_01.ck
   ...
   > chuck + otf_02.ck
   ...

If it still sounds OK (the shreds don't phase) after a few minutes,
then the problem is gone.

Best,
Ge!


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