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:
Aug. 03, 2010
Filed:
Jun. 03, 2005
End-to-end residue-based protection of an execution pipeline that supports floating point operations
Sorin Iacobovici, San Jose, CA (US);
Sorin Iacobovici, San Jose, CA (US);
Oracle America, Inc., Redwood City, CA (US);
Abstract
An end-to-end residue-based protection scheme protects multiple units/blocks of a floating point execution pipeline without the complexity and cost of having multiple protection schemes for the execution pipeline. Protecting an execution pipeline that supports floating point operations includes factoring in component operations, such as normalization and rounding, into a residue generated for a result. In addition, residues of operands are distilled to extract their corresponding mantissa residues, thus allowing the floating point operations (e.g., multiplication, addition, etc.) to be applied to the mantissa residues.
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