Thursday, 2023-12-07

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singhamHello10:56
singhamYosys is a fantastic initiative. I would love to be active here10:56
singhamIn nextpnr, if someone can help me find the chipdb step, I can help by lowering it's required RAM usage by contributing10:57
singhamI have failed in past to build it on RPI3, and I failed yesterday to build it10:57
singhamI use currently hx8k board10:59
jnwhat do you mean by the chipdb step, and by finding it?11:39
singhamThe step which requires lots of RAM to build12:10
singhamThe code in python program which uses memory12:11
singhamblock of code.12:11
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cr1901If I have two modules that are similar (same I/O ports), Is there a way to run a select query that will return "cells in one module but not the other"?21:43
loftycr1901: select syntax is hierarchical, so if you know the name of that module you can use `c:foo/*`, IIRC21:48
cr1901Hmmm, nope "select c:leds-bad/*" selects nothing21:52
cr1901"select leds-bad leds-good %i" returns nothing as well21:54
cr1901(although I guess that's not surprising, seeing that the intersection is technically... nothing. yosys can't figure out which cells are "the same" in between two modules)21:55
jixcr1901: I don't think there is a way to do it with only a select query, but there might be other ways22:12
jixalso when do you consider a cell to be in both modules? will it have the same name? or do you want some structural comparison22:12
cr1901structural comparison22:17
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