[REP++] Loop Optimize? - Printable Version

[REP++] Loop Optimize? - Printable Version

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[REP++] Loop Optimize? - KessMan - 24.01.2017

How it is faster and better?
Method 1 or 2? Why?

METHOD 1:

Код HTML:

for(new r = 0; r < cache_num_rows(); ++r)
for(new h = 0; h < sizeof(AllHouses); h++)
for(new h = 0; h < sizeof(AllBizzs); h++)

METHOD 2:

Код HTML:

for(new r = 0, c = cache_num_rows(); r < c; ++r)
for(new h = 0, s = sizeof(AllHouses); h < s; h++)
for(new h = 0, a = sizeof(AllBizzs); h < a; h++)

Re: [REP++] Loop Optimize? - Vince - 24.01.2017

Sizeof is an operator, not a function. It gets evaluated at compile time and has no impact on performance. Use method 1. For a function call use method 2 so the function doesn't get invoked again with every iteration.