Re: [computer-go] Pattern Matcher

[Darren Cook <darren@xxxxxxxxx>]

> On an altogether note: when running the same program in debugging mode, in
> Java there's only a minor performance hit. In C++ the difference is more
> like 10 times slower in debugging mode. Why is this? 
Does java debugging use the reflection API? Maybe that helps?

Many C++ libraries (e.g. the STL) makes many assumptions about what an 
optimizing compiler will get rid of; without optimizations the code can be 
quite inefficient. G++ allows using optimization in debug mode.

I've not particularly noticed a slow-down due to running with debug info 
compiled in but I get over an order of magnitude slow-down with asserts on 
as I use asserts as pre-conditions at the start of every function, and 
commonly throughout a function as well.

Darren
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