[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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