Re: Performance slowdown using alloc?

[Fabio Mascelloni]

----- Original Message ----- 
From: "Marcus G. Daniels" <address@hidden>
To: <address@hidden>
Sent: Saturday, April 15, 2000 4:35 AM
Subject: Re: Performance slowdown using alloc?


> You should get the performance back if you use the single computed
> offset instead of the pointer to pointer indirection

Do you mean getting back to

unsigned short *matrix;

, using

matrix=[[self getZone] alloc: matrixDim*matrixDim*sizeof(unsigned short)];

to allocate it and using

int offset=matrixDim*row+col;
matrix[offset];

to access its members?

Fabio.


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