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Thanks Himanshu -----Original Message----- From: Glenn Weidner (JIRA) [mailto:j...@apache.org] Sent: Saturday, September 09, 2017 6:43 AM To: iss...@systemml.apache.org Subject: [jira] [Updated] (SYSTEMML-1591) Improve efficiency sparse-unsafe cellwise operations [ https://issues.apache.org/jira/browse/SYSTEMML-1591?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Glenn Weidner updated SYSTEMML-1591: ------------------------------------ Fix Version/s: (was: SystemML 1.0) SystemML 0.15 > Improve efficiency sparse-unsafe cellwise operations > ---------------------------------------------------- > > Key: SYSTEMML-1591 > URL: https://issues.apache.org/jira/browse/SYSTEMML-1591 > Project: SystemML > Issue Type: Sub-task > Components: Compiler, Runtime > Reporter: Matthias Boehm > Assignee: Matthias Boehm > Fix For: SystemML 0.15 > > > For sparse-unsafe cellwise operations, we currently iterate over all cells > and use binary search to access the individual values. This is unnecessarily > inefficient to should be reworked in favor of a sequential scan with gap > handling, which would also allow us to consolidate the different code paths > for sparse-safe and -unsafe operations. -- This message was sent by Atlassian JIRA (v6.4.14#64029) American Express made the following annotations ****************************************************************************** "This message and any attachments are solely for the intended recipient and may contain confidential or privileged information. If you are not the intended recipient, any disclosure, copying, use, or distribution of the information included in this message and any attachments is prohibited. If you have received this communication in error, please notify us by reply e-mail and immediately and permanently delete this message and any attachments. Thank you." American Express a ajouté le commentaire suivant le Ce courrier et toute pièce jointe qu'il contient sont réservés au seul destinataire indiqué et peuvent renfermer des renseignements confidentiels et privilégiés. Si vous n'êtes pas le destinataire prévu, toute divulgation, duplication, utilisation ou distribution du courrier ou de toute pièce jointe est interdite. Si vous avez reçu cette communication par erreur, veuillez nous en aviser par courrier et détruire immédiatement le courrier et les pièces jointes. Merci. ******************************************************************************
