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markus2 | Regarding determinism of Yosys, I have found that removing code that should not matter for synthesis ($display contained in always block) results in rather large differences in the generated JSON netlist. Which in turn cause my design to fail to meet timing constraints. | 11:36 |
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markus2 | I assume that the iteration order of internal data structures change and that in turn cause passes to behave differently. Is this a known issue (I looked around a bit in github without finding any direct bug report)? | 11:37 |
markus2 | I mean it would be desirable to be generate stable output wrt such changes. | 11:39 |
markus2 | perhaps I should say that the always block is also removed (it only contained the $display statements) but still I would prefer if it did not change the output. | 11:40 |
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