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Have any tool can check bottleneck of AOCL?

Altera_Forum
Honored Contributor II
‎03-13-2016 09:33 AM
1,396 Views

I want use lookup table to enhance performance. Like the following example, 

 

myCos = cos(); ---------Converted into--------> myCos = checkLutCos(); 

 

Change original cosine function into check Lut, but “Performance does not improve”, 

 

Even if Converted cos() into constant zero 

 

myCos = cos(); ---------Converted into--------> myCos = 0; 

 

also not improve 

 

So I think this cosine function isn't in bottleneck.Have any tools can see bottleneck of AOCL?
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Altera_Forum
Honored Contributor II
‎03-14-2016 08:33 AM
644 Views

I don't have a tool, but I just take loads of measurements, changing types, changing implementations and than comparing those to see which is faster or uses less resources. Though if someone does have a tool, I would like to know about it as wel.

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