[Cuis] Is Smalltalk right for my autonomous car? (was Re: Audio and Video Object Analysis)
Kirk Fraser
overcomer.man at gmail.com
Wed Dec 18 08:37:29 CST 2013
Thanks for the discussion. I didn't know C++ was so bad. Is there any
negatives about Python?
On government, I think ADA is about as dead as Cobol. They aren't
requiring it in the DARPA Robotics Challenge. But I did see on
comp.lang.Smalltalk where one huge government project in Smalltalk failed
because they couldn't stop an unwanted ship from appearing in a simulation
or something like that. So they went to C.
On a vehicle, the worst times I can imagine for a GC of even one second is
just before a decision is needed to round a corner or stop. Is there a way
to fan out GC's so they are more frequent but less time consuming? Perhaps
a millisecond every second - let's see at 60 mph that would be 316800 feet
per hour, 88 feet per second, 0.088 feet per millisecond or 1.056 inches.
The Google car shoots for 1 cm accuracy - 1 in. is close enough. So a
garbage collection of one second means 88 feet off course but a millisecond
would work.
--
Kirk W. Fraser
http://freetom.info/TrueChurch - Replace the fraud churches with the true
church.
http://freetom.info - Example of False Justice common in America
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