Return-Path: Delivered-To: apmail-incubator-hama-commits-archive@minotaur.apache.org Received: (qmail 88164 invoked from network); 16 Mar 2009 02:19:58 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 16 Mar 2009 02:19:58 -0000 Received: (qmail 56652 invoked by uid 500); 16 Mar 2009 02:19:58 -0000 Delivered-To: apmail-incubator-hama-commits-archive@incubator.apache.org Received: (qmail 56634 invoked by uid 500); 16 Mar 2009 02:19:57 -0000 Mailing-List: contact hama-commits-help@incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hama-dev@ Delivered-To: mailing list hama-commits@incubator.apache.org Received: (qmail 56623 invoked by uid 99); 16 Mar 2009 02:19:57 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 15 Mar 2009 19:19:57 -0700 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [192.87.106.226] (HELO aurora.apache.org) (192.87.106.226) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 16 Mar 2009 02:19:57 +0000 Received: from aurora.apache.org (localhost [127.0.0.1]) by aurora.apache.org (8.13.8+Sun/8.13.8) with ESMTP id n2G2JZ9q000344 for ; Mon, 16 Mar 2009 02:19:35 GMT Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Apache Wiki To: hama-commits@incubator.apache.org Date: Mon, 16 Mar 2009 02:19:35 -0000 Message-ID: <20090316021935.275.48308@aurora.apache.org> Subject: [Hama Wiki] Trivial Update of "Architecture" by udanax X-Virus-Checked: Checked by ClamAV on apache.org Dear Wiki user, You have subscribed to a wiki page or wiki category on "Hama Wiki" for change notification. The following page has been changed by udanax: http://wiki.apache.org/hama/Architecture ------------------------------------------------------------------------------ The transpose of a matrix is another matrix in which the rows and columns have been reversed. The matrix must be square for this work. + * http://issues.apache.org/jira/browse/HAMA-174 + {{{ + + + + | a11 a12 a13 | | a11 a21 a31 | @@ -100, +102 @@ - A map task receives a row n as a key, and vector of each row as its value - emit (Reversed index, the entry with the given index) - ex) row = 1, { 1: a11, 2: a12, 3: a13} + ex) row = 1, { 1: a11, 2: a12, 3: a13 } a11, a11 a21, a12