{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9632979","patent":{"patent_number":"US-9632979","title":"Apparatus and method for efficient prefix sum operation","assignee":null,"inventors":[],"filing_date":"2015-06-01T00:00:00.000Z","publication_date":"2017-04-25T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06F","G06F","G06F","G06F","G06T","G06T"],"num_claims":14,"abstract":"An apparatus and method are described for performing a prefix sum. For example, one embodiment of an apparatus comprises: a graphics processor unit comprising one or more execution units to execute single instruction multiple data (SIMD) instructions, the GPU to be provided with a plurality of data elements as input for a prefix sum operation; a first register of the GPU to store the plurality of data elements in specified data element positions; and the one or more execution units to perform a series of single instruction multiple data (SIMD) operations using the plurality of data elements, the SIMD operations performed using regioning techniques to generate the prefix sum, the SIMD operations including a first plurality of simultaneous addition operations to add specified data elements to generate intermediate results and further including a second plurality of simultaneous addition operations to add the intermediate results to other intermediate results to generate the prefix sum."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Apparatus and method for efficient prefix sum operation","description":"An apparatus and method are described for performing a prefix sum. For example, one embodiment of an apparatus comprises: a graphics processor unit comprising one or more execution units to execute si","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9632979","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9632979","citation_suggestion":"Patentable. \"Apparatus and method for efficient prefix sum operation\" (US-9632979). https://patentable.app/patents/US-9632979","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9632979","json":"https://patentable.app/api/llm-context/US-9632979","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T10:35:02.666Z"}