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Altera_Forum's avatar
Altera_Forum
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16 years ago

Code in tightly coupled memory

Hi all, I placed a function in a section different from the main code. More exactly, my code is mapped to sdram and I linked a function testcall() into a tightly coupled memory section which I pr...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

I have several functions and many variables in onchip RAM and have no problems with any code or data I moved into it. The speed increase over SDRAM is very substantial. In fact, it can be too fast - I need interpacket delays sending a UDP data stream to the PC or I overrun my 3+GHz quad-core PC.

I have 10k of onchip RAM for code and data so a not insignificant portion of my program is stored there. I did not use ALT_LOAD_SECTION_BY_NAME.

Bill