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Changes between Initial Version and Version 1 of Ticket #1680, comment 6

initial	v1
1	1	C++ by design does not provide default values for built in types. This is so that there isn't a performance cost to declaring a variable (or more noticeably a large array). So the pointers and floats will not have any constructors or destructors.
2	2
3		Optimising compilers do lots of fancy stuff. On a 64 bit machine I would guess that none of those variables you have changed would even touch the stack since the compiler uses registers whenever possible. There is a lot of possible optimisation for the game but this kind of micro optimisation won't help.
	3	Optimising compilers do lots of fancy stuff. On a 64 bit machine I would guess that none of those variables you have changed would even touch the stack since the compiler uses registers whenever possible. There is a lot of possible optimisation for the game but this kind of micro optimisation won't help. I did a bit of work on a C++ decompiler recently so have been looking at lots of optimised assembly ;).
	4
	5	The main non-algorithmic performance improvement is gained by improving memory layout.