lekernel changed the topic of #milkymist to: Milkymist One, Migen, Milkymist SoC & Flickernoise :: Logs: http://en.qi-hardware.com/mmlogs :: EHSM Berlin Dec 28-30 http://ehsm.eu :: latest video http://www.youtube.com/playlist?list=PL181AAD8063FCC9DC
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<lekernel> wow, vivado takes 2min 18s just to *parse* the lm32 source code
<Fallenou> maybe afterward place and route is much more efficient ? :)
<lekernel> wow no, everything is mega slow
<lekernel> even opening the netlist to automatically create clock constraints in the GUI takes minutes
<Fallenou> weird :/
<Fallenou> even the old ISE was not like that
<lekernel> the power of java: combining the development slowness of compiled languages with the runtime slowness of interpreted languages
<lekernel> aha! seems lm32 can run at 200MHz in kintex 7
<kristianpaul> could* ?
<kristianpaul> or you actually got it runnungin?
<kristianpaul> even 150mhz the worst case, is a nice jump :)
<lekernel> according to vivado p&r results, it can
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<lekernel> actually, among those 2-3min most
<lekernel> are spent loading the libraries
<lekernel> ...
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<Fallenou> nice techno improvement :)
<Fallenou> more than 2x speedup !
<Fallenou> lekernel: is vivado using map, par, xst ? or new tools ?
<Fallenou> is it just another gui?
<lekernel> new tools
<lekernel> seems they rewrote the whole thing in java (lol)
<lekernel> synthesis + PAR of a 8-bit shift register (!) takes more than 30 minutes
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<lekernel> most of it, of course, is spent doing autocrap-style tasks like loading libraries, checking licenses and other inane things, etc.
<Fallenou> dear god
<Fallenou> I can build my minimalist mmu-enabled soc in 5 min with my new core i5 desktop computer :)
<Fallenou> using old tools on 14.1
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<cde> lekernel: could you send me any .jar from vivado, for example from the P&R?
<lekernel> phew, it's huge... gigabytes...
<lekernel> probably easier you download it yourself from xilinx
<lekernel> what are you looking for exactly?
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<GitHub102> [migen] sbourdeauducq pushed 2 new commits to master: https://github.com/milkymist/migen/compare/2e14569b5c64...c273866b08cd
<GitHub102> [migen/master] fhdl: support expressions in instance ports - Sebastien Bourdeauducq
<GitHub102> [migen/master] fhdl: support inverted clock ports in instances - Sebastien Bourdeauducq
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