Vector Insert Instructions for Flexible Data Element Handling
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Solution Overview
Problem
Current vector processing instructions lack efficiency in handling various data sizes and element selection patterns, particularly in inserting, extracting, and permuting data within vector registers, which limits the flexibility and performance of vector operations.
Innovation Solution
The introduction of improved vector insert, extract, and permute instructions that allow for flexible data handling by specifying granular masking and indexing, enabling operations on different data element sizes and patterns within vector registers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional vector processing instructions are used, then the processor can execute basic vector operations, but the handling of various data sizes and element selection patterns lacks efficiency and flexibility
Solution Approach 1:
The patent segments the vector processing operations into distinct instruction types (insert, extract, permute) that can independently handle specific data manipulation tasks. Each instruction type is further segmented by data element size (byte, half-word, word, doubleword) allowing precise control over the granularity of operations, thereby improving both flexibility and efficiency simultaneously
Solution Approach 2:
The patent introduces dynamic control mechanisms through control fields in the instruction format that allow runtime selection of data element sizes and selection patterns. This dynamic adaptability enables the same instruction framework to efficiently handle diverse data processing requirements without sacrificing performance
2Adaptability or versatility
If vector operations are performed on different data element sizes, then the processing capability is enhanced, but the control complexity over data manipulation increases
Solution Approach 1:
The patent creates a universal vector instruction format that can handle multiple data element sizes (byte, half-word, word, doubleword) and multiple selection patterns through a unified instruction structure. The control fields within this universal format provide systematic management of complexity, allowing the same instruction framework to perform diverse operations without increasing control complexity
3Measurement precision
If traditional insert instructions are used, then basic data insertion is possible, but precise control over data manipulation within vector registers is limited
Solution Approach 1:
The patent applies local quality control by providing separate control fields for different aspects of data manipulation: data element size, selection pattern, and insertion position. This localized control approach enables precise manipulation of specific data elements within the vector register while maintaining ease of operation through a systematic instruction format that organizes these controls logically
Data Source
AI summary
An apparatus is described having instruction execution logic circuitry to execute first, second, third and fourth instruction. Both the first instruction and the second instruction insert a first group of input vector elements to one of multiple first non overlapping sections of respective first and second resultant vectors. The first group has a first bit width. Each of the multiple first non overlapping sections have a same bit width as the first group. Both the third instruction and the fourth instruction insert a second group of input vector elements to one of multiple second non overlapping sections of respective third and fourth resultant vectors. The second group has a second bit width that is larger than said first bit width. Each of the multiple second non overlapping sections have a same bit width as the second group. The apparatus also includes masking layer circuitry to mask the first and third instructions at a first resultant vector granularity, and, mask the second and fourth instructions at a second resultant vector granularity.