From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTP id 58A06483D8 for ; Wed, 3 Jan 2024 00:56:21 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 4EC0C68CAF5; Wed, 3 Jan 2024 02:56:19 +0200 (EET) Received: from w4.tutanota.de (w4.tutanota.de [81.3.6.165]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 40B9F68AABC for ; Wed, 3 Jan 2024 02:56:12 +0200 (EET) Received: from tutadb.w10.tutanota.de (unknown [192.168.1.10]) by w4.tutanota.de (Postfix) with ESMTP id 4A0961060247 for ; Wed, 3 Jan 2024 00:56:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1704243372; s=s1; d=lynne.ee; h=From:From:To:To:Subject:Subject:Content-Description:Content-ID:Content-Type:Content-Type:Content-Transfer-Encoding:Content-Transfer-Encoding:Cc:Date:Date:In-Reply-To:MIME-Version:MIME-Version:Message-ID:Message-ID:Reply-To:References:Sender; bh=hZBwVFaw0sJyYvLKshGvJ3WGo8cKm6qf/YXAkbMQBIo=; b=2mZh3EBmeMFO37JtgfTX6tCFWdGaxAku6HCyTYvNyi4V6HNHSgb+JlgwxaMiL2cX ByD67p4xBWoPeUP/enCO+TMM44E7N0yHe4nsVRiMsLD3N3aZKLUm5uAV9ndbznCyGvM LMqO6Ntfcbt+df0VoFxYpNiPBwgb+80qoPLiw2EtdFO7IW9pzZKBxmSCcTz0jt2OuX+ 4dtFkHkk5peTAZ6SE3tvQyML1H28k9h34mF4N2ddDE14+COJnnzUL8tusOmJmXlFD5M e8eJb/X8jXshMFg9HmzA4Ua8p2W2aq9GPfzCT4ti/78PpZMbcAq7QuvT6xyMUmn+tDj te0LaH/FGg== Date: Wed, 3 Jan 2024 01:56:12 +0100 (CET) From: Lynne To: Ffmpeg Devel Message-ID: MIME-Version: 1.0 Subject: [FFmpeg-devel] Hardware purchase request: AVX512-capable laptop X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: As some of you know, my laptop died nearly 2 years ago, and I've been working on a desktop machine, which is currently a Zen 3. AVX512 has become more popular in the meantime, with Zen 4 and future AMD CPUs shipping with it, but currently, we have very little AVX512. In short, I'd like a machine which runs an AVX512-capable AMD CPU, and as the world is opening up more and more, I'd like for it to be portable. I've looked around a lot, but as Intel still has a firm monopoly, the options are limited (7940H(S), 7945HX, 7845HX, 8945HS). What I think I've settled for is an ASUS Vivobook Pro 15, with a 7940HS CPU (the second least powerful Zen 4 mobile CPU), currently trading for 1999.0 EUR on amazon.de. https://www.amazon.de/-/en/Vivobook-Display-R9-7940HS-Windows-Keyboard/dp/B0BRYTS8MR The other alternative I've found is a Lenovo Legion 7 Pro, but it's more expensive at 2399 EUR (currently seems temporarily discounted due to the holidays). The Lenovo IdeaPad still hasn't been refreshed and uses a Zen 3 CPU, so it doesn't fit the requirements. I'd take other options, but after all the looking I did, the only other laptops to feature Zen 4 CPUs are rather pricy gaming laptops with high-end NVIDIA GPUs, starting at 2500 EUR and going up. I'd be happier with the Vivobook. The OLED screen is a nice bonus too. I'd be open to ARM-based Apple laptops too, but we already have a shared M1 machine, and I'm not really a big Fedora fan. RISC-V is obviously still out of the question at this point. As for my plans for AVX512, I'll first add limited 32-register version of the FFT, which wouldn't be too hard to do, and looking into modifying the existing recombination function to work on 16-point basis. I'll also look into modifying other trivially extendable code like the float_dsp. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".