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Wayne Hayes wrote:
Since scanf and the floating point arithmetic is implemented in newlib, I've redirected this message there. Does anybody have an idea, what could slow down float scanning in sscanf by a factor of 20?
Thanks! Just to be pedentic, I realized that it's worse than a factor of 20.
My *entire simulation* slows down by a factor of 20; there's significant
other computation in it. So the scanf slowdown is probably closer to
hundreds of times. *Something* fishy must be going on. :-)
The reason for the slow down is long double support. A new routine _strtold is used instead of _strtod_r. I am working on a patch to use the old routine for non-long-doubles to avoid the slow down.
-- Jeff J.
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