From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
To: Libre-RISCV General Development <libre-riscv-dev@lists.libre-riscv.org>
Subject: Re: [libre-riscv-dev] daily kan-ban update 26may2020
Date: Tue, 26 May 2020 18:07:14 +0100
Message-ID: <CAPweEDxHYaQR77Tr6xcJRFaPDy=0owUsevH+EJfk_uh3_UkXHw@mail.gmail.com> (raw)
In-Reply-To: <125e37a2-e549-83d6-c987-db4d316631ed@gmail.com>
On Tue, May 26, 2020 at 5:44 PM Cesar Strauss <cestrauss@gmail.com> wrote:
> * Found out about ongoing formal proof work on the very module to which
> I'm adding unit tests. Interesting subject, formal proofs. I've been
> learning it myself, in order to apply it to my work, but have as yet no
> practical experience.
samuel falvo was the first one to explain the benefits of formal proofs.
http://chiselapp.com/user/kc5tja/repository/kestrel-3/artifact/96ea88450c1a3fc6
the insight that he gave particularly hit home when we had to run
literally hundreds of thousands of tests (which takes about a week to
run) for the IEEE754 FPU...
... and yet, despite that, we *still have no guarantee of hitting all
corner-cases*.
so we have hundreds of thousands of tests - with no guarantee - or, we
write *ONE* formal proof that covers them all.
it's not a difficult choice to make.
> Today:
>
> * Advance on the parallel tests. Hopefully, get good progress on the
> rd/wr protocol.
one step at a time.
l.
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Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-26 14:40 Luke Kenneth Casson Leighton
2020-05-26 16:44 ` Cesar Strauss
2020-05-26 17:07 ` Luke Kenneth Casson Leighton [this message]
2020-05-26 16:47 ` Michael Nolan
2020-05-26 17:02 ` Cole Poirier
2020-05-26 17:24 ` Luke Kenneth Casson Leighton
2020-05-26 17:29 ` Cole Poirier
2020-05-26 17:35 ` Luke Kenneth Casson Leighton
2020-05-26 18:00 ` Cole Poirier
2020-05-26 19:46 ` Luke Kenneth Casson Leighton
2020-05-26 17:08 ` Luke Kenneth Casson Leighton
2020-05-26 17:49 ` Luke Kenneth Casson Leighton
2020-05-26 17:57 ` Michael Nolan
2020-05-26 19:13 ` Jacob Lifshay
2020-05-26 19:51 ` Luke Kenneth Casson Leighton
2020-05-26 19:54 ` Tobias Platen
2020-05-26 20:00 ` Luke Kenneth Casson Leighton
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