[Libre-silicon-devel] Device security - Help wanted

Tim Edwards tim at opencircuitdesign.com
Mon Apr 15 14:01:20 CEST 2019


Hello Philipp,

> Several months ago, I thought about reproducable builds for qflow,
> specifically Graywolf, and I came to problem that Graywolf had poor
> single-threaded performance for huge projects, so parallelisation was the
> obvious solution for that, but I did not had a good idea how simulated
> annealing could be done in a reproducable way in parallel.

The way to go is not to use simulated annealing (e.g., graywolf) but to
use analytic placement (e.g., RePlaCe from abk-openroad (UCSD) on github).

					---Tim

+--------------------------------+-------------------------------------+
| R. Timothy Edwards (Tim)       | email: tim at opencircuitdesign.com    |
| Open Circuit Design            | web:   http://opencircuitdesign.com |
| 19601 Jerusalem Road           | phone: (240) 489-3255               |
| Poolesville, MD 20837          | cell:  (408) 828-8212               |
+--------------------------------+-------------------------------------+


More information about the Libre-silicon-devel mailing list