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Altera_Forum's avatar
Altera_Forum
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8 years ago

Why do these other designs not fit?

Dear all, I've got another question about why designs do not fit on our Arria 10 board . This time, the designs do not overly use resources. I've used --high-effort. The first kernel has ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

Sadly, this does not help. As an example of my problems, consider the altera matrix multiplication example from altera's website:

https://www.altera.com/support/support-resources/design-examples/design-software/opencl/matrix-multiplication.html

This was designed for the stratix 5, with a blocksize of 64 and 4 simd paths. The arria 10 has more resources, so to utilize them I instead set the blocksize to 104 and created 8 simd paths. However, this does not route even though the resource usage is not that high. I do not know why or how to reason about this. Any suggestions?