~/talk

The nextpnr FOSS FPGA place-and-route tool

on YouTube 33m
Talkat ORConf 2018 · 2018-09-21..09-23· [embedded-and-hardware, open-source]

speaker

name:Clifford Wolf
links:none on file

resources

video:https://youtu.be/XbwrOff59ck
slides:none on file

summary

nextpnr is a retargetable FOSS place-and-route tool that replaces arachne-pnr for the iCE40 flow and already supports ice40 and ECP5 backends; it exposes a ~100-method architecture API, implements timing-driven algorithms, provides an optional GUI and a Python scripting API, and can generate device-specific bitstreams once a packer and bitstream backend are added. two database strategies (flat, deduplicated) and a tile-based approach are implemented or planned; current results match arachne in quality but show slightly higher run times.

AI-written summary · about

chapters (6)

  1. 0:00Start
  2. 7:34nextpnr architecture
  3. 9:28Design Database
  4. 13:46Adding a new Architecture
  5. 18:00Strategies for implementing nexton Architecture databases
  6. 21:31Next steps

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