[Python-checkins] python/dist/src/Python ceval.c,2.334,2.335

[Tim Peters]

> Bump default check interval to 100 instructions.  Computers are
> much faster than when this interval was first established.  Checking too
> frequently just adds needless overhead because most of the time there is
> nothing to do and no other threads ready to run.

Note that this needs a NEWS file blurb too.  Lots of "advanced" apps play
with this knob, but more don't, and boosting the interval *may* cause poor
response time in some kinds of multi-threaded apps.