clifford changed the topic of #yosys to: Yosys Open SYnthesis Suite: http://www.clifford.at/yosys/ -- Channel Logs: https://irclog.whitequark.org/yosys
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<cr1901_modern> https://twitter.com/cr1901/status/1073368943673442305 I know ppl have had issues compiling yosys on -j 4 on RPi 3 in the past.
<cr1901_modern> I've done it successfully a few times before, but tonight for some reason it wouldn't cooperate
<cr1901_modern> Turns out on these SBCs, the power cable quality matters
<cr1901_modern> or "I only swapped the power cable and now yosys is building correctly"
<ZipCPU> Ouch!
<ZipCPU> I wonder if -j2 would work better ?
<cr1901_modern> -j1 worked fine, -j3 also worked but I could tell that it was close to rebooting
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<ZipCPU> "could tell that it was close to rebooting" ?? What does that look like?
<cr1901_modern> I redid the build w/ -j 4 immediately after and instead of making it to 17% it made it to 2% :)
<ZipCPU> Lol
<ZipCPU> Ok, I got it now
<ZipCPU> What would you recommend based upon this experience?
<cr1901_modern> "If yosys doesn't build on your RPi or SBC clone, not only make sure that the CPU is overheating, but try different power cables"
<ZipCPU> :D
<ZipCPU> Do you use yosys on your RPi often?
<cr1901_modern> Tinkerboard comes w/ a heat sink; I ran tests when it was new, and I never got it to crash even w/ make -j 4 on yosys/openocd etc
<ZipCPU> Better power supply? Bigger capacitors?
<cr1901_modern> Once a month? Mostly sits there lol
<ZipCPU> I tried yosys with my RPi. I was disappointed in how long it took to build a design, and so ... decided to keep using my desktop
<cr1901_modern> My official RPi is a Model A- 256MB RAM- from the end of 2013
<cr1901_modern> it runs NetBSD, and it's not possible to compile yosys on it; not enough RAM
<cr1901_modern> even w/ -j1... gmake just refuses to do it
<qu1j0t3> thx for making me feel old
<cr1901_modern> https://twitter.com/cr1901/status/1073371611670212608 Aaaanyways, I'm gonna have to reinstall
<cr1901_modern> Which I would've had to do anyway eventually, but... good time as any
<cr1901_modern> qu1j0t3: Date code: 1316
<cr1901_modern> week 16 of 2013
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