16. Vectors and Matrices
This chapter marks a departure in the book’s progression. Instead of describing the Cell’s capabilities as a processing device, the goal of this and succeeding chapters is to show how these capabilities accomplish practical tasks. This chapter concentrates on performing vector and matrix operations with the Cell, and it covers five topics:
- Vector library
- Matrix library (4x4 floating-point matrices)
- Large Matrix library (single processor)
- Basic linear algebra subprograms (BLAS)
- Large matrix multiplication
The first topic is the Vector library (libvector). This provides functions for basic vector operations, such as the cross product and dot product. These functions run on the SPU and PPU and were designed primarily for ...
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