From: Staf Verhaegen Date: Fri, 8 May 2020 08:41:02 +0000 (+0200) Subject: Re: [libre-riscv-dev] daily kan-ban 07may2020 update X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=45d9737c65e31b082720467b7a75ce67adc6836f;p=libre-riscv-dev.git Re: [libre-riscv-dev] daily kan-ban 07may2020 update --- diff --git a/5d/8506167d81d6724b23de85734f1d6ce7f01adc b/5d/8506167d81d6724b23de85734f1d6ce7f01adc new file mode 100644 index 0000000..cdd470f --- /dev/null +++ b/5d/8506167d81d6724b23de85734f1d6ce7f01adc @@ -0,0 +1,111 @@ +Return-path: +Envelope-to: publicinbox@libre-riscv.org +Delivery-date: Fri, 08 May 2020 09:41:14 +0100 +Received: from localhost ([::1] helo=libre-riscv.org) + by libre-soc.org with esmtp (Exim 4.89) + (envelope-from ) + id 1jWyZE-0007jD-Tt; Fri, 08 May 2020 09:41:12 +0100 +Received: from vps2.stafverhaegen.be ([85.10.201.15]) + by libre-soc.org with esmtp (Exim 4.89) + (envelope-from ) id 1jWyZD-0007j2-82 + for libre-riscv-dev@lists.libre-riscv.org; Fri, 08 May 2020 09:41:11 +0100 +Received: from hpdc7800 (hpdc7800 [10.0.0.1]) + by vps2.stafverhaegen.be (Postfix) with ESMTP id A3CB111C05B7 + for ; + Fri, 8 May 2020 10:41:10 +0200 (CEST) +Message-ID: +From: Staf Verhaegen +To: libre-riscv-dev@lists.libre-riscv.org +Date: Fri, 08 May 2020 10:41:02 +0200 +In-Reply-To: +References: + + +Organization: FibraServi bvba +X-Mailer: Evolution 3.28.5 (3.28.5-8.el7) +Mime-Version: 1.0 +X-Content-Filtered-By: Mailman/MimeDel 2.1.23 +Subject: Re: [libre-riscv-dev] daily kan-ban 07may2020 update +X-BeenThere: libre-riscv-dev@lists.libre-riscv.org +X-Mailman-Version: 2.1.23 +Precedence: list +List-Id: Libre-RISCV General Development + +List-Unsubscribe: , + +List-Archive: +List-Post: +List-Help: +List-Subscribe: , + +Reply-To: Libre-RISCV General Development + +Content-Type: multipart/mixed; boundary="===============1013853600763958192==" +Errors-To: libre-riscv-dev-bounces@lists.libre-riscv.org +Sender: "libre-riscv-dev" + + +--===============1013853600763958192== +Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; + boundary="=-g9ssUMSDTY8J6l1JnbKl" + + +--=-g9ssUMSDTY8J6l1JnbKl +Content-Type: text/plain; charset="UTF-8" +Content-Transfer-Encoding: quoted-printable + +Luke Kenneth Casson Leighton schreef op vr 08-05-2020 om 03:26 [+0100]: +> On Friday, May 8, 2020, Jacob Lifshay wrote: +> > I attended the OpenPower virtual coffee meeting, there was an interesti= +ngsuggestion to see if we could move to a later tapeout than october, toavo= +id burnout due to deadline crunch. +>=20 +>=20 +> i've written to Staf to see what is available. if you recall we have ana= +greement to let him use the Oct2020 slot. so he is "2nd in queue". +> there were other ideas to do a simpler processor for that slot. howevert= +hese would likely go to the *back* of the queue (as a new request for thats= +lot: "3rd in queue"). + +As a backup plan I had in mind to tape-out some other CPU like a SwerV RISC= +-V core from Western Digital. Alternatively some of the budget could be use= +d so I can look into multi-port RAMs and register files; maybe I can have a= + closer look at a PLL also. These could first be tested on 0.35um which cos= +ts a lot less (ca. $5000 vs. ca $20000). + +There is question about funding. It takes about 3 months after tape-out to = +get the chips and then the debugging of the chip can only begin which typic= +ally also takes a lot of time. So if we delay the tape-out the completion o= +f the testing of the chip will miss the deadline for the current NLNet fund= +ing. I am currently supposed to do the testing of the chip but I won't star= +t that if I don't know if I can get the funding for it. + +0.18um TSMC MPW runs are done at least once a month. You can find the sched= +ule online: https://europractice-ic.com/wp-content/uploads/2020/05/General-= +MPW-EUROPRACTICE-200505-v8.pdf +So last two tape-out dates this year are 18/11 and 2/12 (I think 2/12 was n= +ot there in a previous version of the file). +greets, +Staf. + + + +--=-g9ssUMSDTY8J6l1JnbKl-- + + + +--===============1013853600763958192== +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: base64 +Content-Disposition: inline + +X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGlicmUtcmlz +Y3YtZGV2IG1haWxpbmcgbGlzdApsaWJyZS1yaXNjdi1kZXZAbGlzdHMubGlicmUtcmlzY3Yub3Jn +Cmh0dHA6Ly9saXN0cy5saWJyZS1yaXNjdi5vcmcvbWFpbG1hbi9saXN0aW5mby9saWJyZS1yaXNj +di1kZXYK + +--===============1013853600763958192==-- + + +