Comparing FPGAs' Performance
There is now a github repository to comare the performance of FPGAs.
The question is how fast are the different FPGAs. The answer is to write a portable test, and see how fast the circuits can run. This work was motivated by the excellent Lattice ICE40 UP5K FPGA's datasheet. (pages 35-38). I kept saying that the GateMate needed similar documentation, and the Nextpnr engineer responsible was kind enough to oblige.
The github repository contains test cases for adders counters and muxes. It looks like more tests are being added as I write this. I encourage everyone to fork it and contribute test cases.
Best to visit the github repository to get the most recent version of the numbers.
I am particularly interested in test cases for memory access speed, and for the more complex issue of LVDS speeds. I encourage everyone to fork it and contribute.
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