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Title: Complex matrix multiplication operations with data pre-conditioning in a high performance computing architecture

Mechanisms for performing a complex matrix multiplication operation are provided. A vector load operation is performed to load a first vector operand of the complex matrix multiplication operation to a first target vector register. The first vector operand comprises a real and imaginary part of a first complex vector value. A complex load and splat operation is performed to load a second complex vector value of a second vector operand and replicate the second complex vector value within a second target vector register. The second complex vector value has a real and imaginary part. A cross multiply add operation is performed on elements of the first target vector register and elements of the second target vector register to generate a partial product of the complex matrix multiplication operation. The partial product is accumulated with other partial products and a resulting accumulated partial product is stored in a result vector register.
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Issue Date:
OSTI Identifier:
International Business Machines Corporation (Armonk, NY) OSTI
Patent Number(s):
Application Number:
Contract Number:
Research Org:
International Business Machines Corporation, Armonk, NY, USA
Sponsoring Org:
Country of Publication:
United States

Works referenced in this record:

Adaptive Strassen and ATLAS's DGEMM: a fast square-matrix multiply for modern high-performance systems
conference, January 2005
  • D'Alberto, P.; Nicolau, A.
  • Eighth International Conference on High-Performance Computing in Asia-Pacific Region (HPCASIA'05)
  • DOI: 10.1109/HPCASIA.2005.18

High performance software on Intel Pentium Pro processors or Micro-Ops to TeraFLOPS
conference, January 1997
  • Greer, Bruce; Henry, Greg
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  • DOI: 10.1145/509593.509639