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From: Cesar Strauss <cestrauss@gmail.com>
To: libre-riscv-dev@lists.libre-riscv.org
Subject: Re: [libre-riscv-dev] daily kan-ban update 29may2020
Date: Fri, 29 May 2020 13:51:55 -0300
Message-ID: <dfb0cc93-009c-6e2d-d868-4d88a46824ed@gmail.com> (raw)
In-Reply-To: <CAPweEDyRcO_eXcP04H+WyoQ10e8mie7NivGJtyW8D06YOMQsnQ@mail.gmail.com>

Going along nicely, if slowly, with the parallel unit test of
src/soc/experiment/compalu_multi.py. Thankfully, the weekend is near, so
I expect to finally finish this task, and move along the queue.

Got a nice unplanned example of a race condition when, surprisingly,
running the test twice in a row passed, then failed, without changing
anything. Hint: when passing information from one co-routine to another,
do it around a synchronization point / barrier.

Also, learned how to use Settle() to respond asynchronously to outputs
of the DUT. It's useful for simulating a zero-delay response to a
request, or a purely combinatorial ALU.

Overall, I am quite enjoying the exercise.

Regards,

Cesar

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  parent reply index

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-29 12:04 Luke Kenneth Casson Leighton
2020-05-29 13:51 ` Yehowshua
2020-05-29 14:14   ` Luke Kenneth Casson Leighton
2020-05-29 14:21     ` Yehowshua
2020-05-29 16:51 ` Cesar Strauss [this message]
2020-05-29 17:27   ` Luke Kenneth Casson Leighton
2020-05-29 23:58   ` Luke Kenneth Casson Leighton
2020-05-29 23:19 ` Jacob Lifshay
2020-05-29 23:55   ` Luke Kenneth Casson Leighton

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