From dev-return-3693-archive-asf-public=cust-asf.ponee.io@mxnet.incubator.apache.org Fri Jul 20 06:09:13 2018 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by mx-eu-01.ponee.io (Postfix) with SMTP id D12B8180630 for ; Fri, 20 Jul 2018 06:09:12 +0200 (CEST) Received: (qmail 91151 invoked by uid 500); 20 Jul 2018 04:09:11 -0000 Mailing-List: contact dev-help@mxnet.incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@mxnet.incubator.apache.org Delivered-To: mailing list dev@mxnet.incubator.apache.org Received: (qmail 91139 invoked by uid 99); 20 Jul 2018 04:09:10 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd1-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 20 Jul 2018 04:09:10 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd1-us-west.apache.org (ASF Mail Server at spamd1-us-west.apache.org) with ESMTP id 72514CC2BA for ; Fri, 20 Jul 2018 04:09:10 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd1-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 2.119 X-Spam-Level: ** X-Spam-Status: No, score=2.119 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, HTML_MESSAGE=2, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, T_DKIMWL_WL_MED=-0.01] autolearn=disabled Authentication-Results: spamd1-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd1-us-west.apache.org [10.40.0.7]) (amavisd-new, port 10024) with ESMTP id ufDHH-XeONgn for ; Fri, 20 Jul 2018 04:09:09 +0000 (UTC) Received: from mail-wm0-f45.google.com (mail-wm0-f45.google.com [74.125.82.45]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTPS id 2CF035F3DA for ; Fri, 20 Jul 2018 04:09:09 +0000 (UTC) Received: by mail-wm0-f45.google.com with SMTP id a19-v6so8311596wmb.2 for ; Thu, 19 Jul 2018 21:09:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=KxO8fzM5xQ0b87us7tnBrGsXf97yrp3FVKMi+zgeJ6M=; b=bJndnNjQaIU04L/JVKRhT3/mP9RPUzyzT2V09RBa4pguBBSLO3ll5Z4qJWMuxU5BhM DXt9up7L9vXe13liy/mtosIipJwRFidBym7JBsc0av44vqWDRbH/2jLUNh7JHQh7Uv/v S6DcbKH0E+hH09VPKDGodpB/jW7278H4B8xI8zwgPHqQt2dxMJRfFrnxQSft7NZLCg2z 3+D9HHZCPtG2de9wu6LDbH/xcnIgKgWC78tR9m7Px3tJmkzfCNQV2niYYxMKXW1Dr4CT kmR6BstdE79PxAZy3ym2IptzJSKydC4oX0nfiPNrCk9N/WaBw9SuAmy2Mb3tTU98xzyk OYwQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=KxO8fzM5xQ0b87us7tnBrGsXf97yrp3FVKMi+zgeJ6M=; b=DokXH4Kg4Fvj8LymFBU4iZXwgPHTe9kPDId1XbSeZxq1+0dBEfx0e1jzBApXexukjz 6R9iynVy9KssUYdZnW5wMzZtLY+9IzCyQXXkMF3LWsgUX3MbZt5xKOryJ6jRCJd8z46Z Iz0L1dJACu1xlY7p3cx1oAe9oS1dj+RS+P8744HN+MChVNqlxw3GxDaNzyNDtQGwcttH lgvf2XWWcp4tHIP8tRFQsRtUlnMPclgT0CpKocpHX0ruTnlU/gVHts1UcTlMz5+We/+c SiEPYqgXMwv2w1Q2MAUGBgyqfoj5afPMw5vr1ZbBmgNC5km8k8RbGdIGppP8r3KPjEYu 7/GQ== X-Gm-Message-State: AOUpUlHO6DBUtdj0cPk/m731Y8A7T/bBt8F/S1PGFUxLI2OQzwOIpqJe cwWDBoBXQ/84xFteOTRKVjRlRt5tJfMEL6XiBk4R X-Google-Smtp-Source: AAOMgpergrVF4yDcdTO/UlnpJZ3UHP/rvcq6hqXv7exYlgc8V40fDZEXuGqTTpIrELIzyUYWrZL6QZiGw3Zsf855HTw= X-Received: by 2002:a1c:1748:: with SMTP id 69-v6mr370506wmx.75.1532059743692; Thu, 19 Jul 2018 21:09:03 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Junru Shao Date: Thu, 19 Jul 2018 21:10:06 -0700 Message-ID: Subject: Re: A proposal of supporting dynamic shape and shape symbol To: dev@mxnet.incubator.apache.org Content-Type: multipart/alternative; boundary="000000000000cc2a660571667425" --000000000000cc2a660571667425 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Da, So excited to see this proposal, it empowers MXNet with the capacity to tackle modern CV/NLP tasks with ease! Vote for it. Thanks, Junru On Thu, Jul 19, 2018 at 7:59 PM Zheng, Da wrote= : > Hello all, > > As you know, MXNet performs static shape inference to optimize the > performance. However, there are cases that the output arrays of an operat= or > can=E2=80=99t be statically inferred. In addition, MXNet doesn=E2=80=99t = support shape > symbol. For example, the input shape of mx.sym.ones has to be a Python > tuple right now. > > The design proposal below is trying to fix both problems. > https://cwiki.apache.org/confluence/display/MXNET/Dynamic+shape > > Please let me know if you have any comments and suggestions. > > Best, > Da > --000000000000cc2a660571667425--