The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 16, 2013
Filed:
Jun. 24, 2011
Michael E. Aho, Rochester, MN (US);
Thomas M. Gooding, Rochester, MN (US);
Michael B. Mundy, Rochester, MN (US);
Andrew T. Tauferner, Rochester, MN (US);
Michael E. Aho, Rochester, MN (US);
Thomas M. Gooding, Rochester, MN (US);
Michael B. Mundy, Rochester, MN (US);
Andrew T. Tauferner, Rochester, MN (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Messaging in a parallel computer using remote direct memory access ('RDMA'), including: receiving a send work request; responsive to the send work request: translating a local virtual address on the first node from which data is to be transferred to a physical address on the first node from which data is to be transferred from; creating a local RDMA object that includes a counter set to the size of a messaging acknowledgment field; sending, from a messaging unit in the first node to a messaging unit in a second node, a message that includes a RDMA read operation request, the physical address of the local RDMA object, and the physical address on the first node from which data is to be transferred from; and receiving, by the first node responsive to the second node's execution of the RDMA read operation request, acknowledgment data in the local RDMA object.