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- Strided memory access
Strided memory access
May 10, 2013 at 6:35pm
Hi...
why is it said that using a loop as one below is bad in terms of performance ?
for(i = 0; i < N; i+=M)
{
//some code
}
where M is any number > 1
But, I get higher performance for the same loop if I go to higher powers of 2..e.g. 16,32,64 etc...
why is it said that using a loop as one below is bad in terms of performance ?
for(i = 0; i < N; i+=M)
{
//some code
}
where M is any number > 1
But, I get higher performance for the same loop if I go to higher powers of 2..e.g. 16,32,64 etc...
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