[libre-riscv-dev] Understanding the LibreSOC core

Luke Kenneth Casson Leighton lkcl at lkcl.net
Mon Jun 8 21:31:28 BST 2020


On Mon, Jun 8, 2020 at 9:12 PM Yehowshua <yimmanuel3 at gatech.edu> wrote:

> > On Jun 8, 2020, at 4:11 PM, Michael Nolan <mtnolan2640 at gmail.com> wrote:
> >
> > LUT4                        14962

is that a lot?  i have no idea of "scale" if you know what i mean.
someone compiled microwatt for spartan-7 and got 11k LUTs
https://hackaday.com/2019/08/23/joining-the-risc-v-ranks-ibms-power-isa-to-become-free/

> Yeah easily - we have an 85k LUT budget.

the VersaECP5 from mouser is sadly only 45k LUTs, it does however have
the advantage of actually being available immediately.

> Awesome!

:)



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