On 16/10/12 13:20, Michael Gardner wrote:
On Oct 16, 2012, at 5:16 AM, Jim foo.bar wrote:
so you're saying that if I write a for-loop in Java that populates an array
with constants from 1-10000 and then a 2nd loop to add them up, it would happen
at compile-time and i would get the same timing-result?
Maybe, maybe not. Compilers are very smart these days, but I don't know if they
can fold complex expressions like for-loops.
I see... so Clojure macros could indeed have the advantage over regular
Java methods with regards to my trivial example? I do understand that
most of the times you simply don't have the data at compile time but
there must be occasions where you do and replacing a complex expression
with a scalar might provide stunning performance...I've not had the time
to go back to the project of mine where performance really really
matters but I will soon do and let you know if I find anything...
thanks again...
Jim
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