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Altera_Forum
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11 years ago

Fmax Improvment

I'm trying to improve Fmax in our design. See the archived quartus II proejct file in the attachment. The source files are also attached. In my currrent design, after compilation, Fmax can reach ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Instead of having lots of bits to select the offset value, why not just assign the offset value from the first set of if statements. Then you remove the whole second priority mux. 


if Setting_Pixel_un < (Setting_TotPixel_un/16) then
  grey_offset <= 0;
elsif <next compare> then
  grey_offset <= x"100100100";
.....
out_data <= GrayColor + grey_offset;