User Defined Formatting Instruction for Multicast Benes Network Circuitry
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Solution Overview
Problem
Current processor architectures lack efficient instructions for flexible data formatting in multicast Benes network circuits, leading to suboptimal performance in operations like radio signal processing, particularly in generating and processing multiple input sequences with programmable offsets for radio Digital Front-End (DFE) applications.
Innovation Solution
A user-defined formatting instruction is introduced that allows for customizable data formatting in multicast Benes network circuits, enabling efficient configuration of multicast switches to perform operations like filtering, interpolation, and decimation by reusing input data and generating required control bits in real time, thereby reducing hardware complexity and improving performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If current processor architectures use standard instruction sets without user-defined formatting instructions, then the hardware structure remains simple, but the performance in radio signal processing operations is suboptimal
Solution Approach 1:
The patent introduces user-defined formatting instructions that allow dynamic configuration of data formatting parameters (such as input sequence offsets, data packing formats, and multicast switch settings) to optimize radio signal processing operations. This enables the processor to adapt instruction parameters to specific processing needs, improving productivity without requiring complete architectural redesign
Solution Approach 2:
The formatting instruction mechanism serves multiple functions: it configures multicast Benes network circuits, formats packed data for SIMD operations, generates control bits for network switches, and optimizes data flow for radio DFE applications. This multi-functional approach improves performance across various operations while adding a single versatile instruction type to the architecture
2Adaptability or versatility
If multiple input sequences with programmable offsets are generated for radio DFE operations, then processing flexibility is improved, but data loading requirements increase
Solution Approach 1:
The patent merges multiple input sequences into packed data structures that can be processed simultaneously. By combining multiple sequences with different offsets into single packed operands, the system reduces the number of separate data loading operations required while maintaining processing flexibility for radio DFE applications
Solution Approach 2:
The formatting instructions perform preliminary data arrangement and packing before the actual signal processing operations. Input sequences are pre-formatted with appropriate offsets and packed into optimized structures, reducing the need for additional data loading during execution and improving overall processing efficiency
3Productivity
If multicast Benes network circuits are configured with user-defined formatting instructions, then hardware utilization is improved, but circuit configuration complexity increases
Solution Approach 1:
The formatting instructions enable the multicast Benes network circuit to self-configure based on instruction parameters. The instruction automatically generates the necessary control bits and switch settings, allowing the circuit to adapt its configuration without external control logic, thereby improving hardware utilization while managing configuration complexity through software control
4Quantity of substance
If data is reused for multiple operations in packed format, then data loading is reduced, but formatting requirements increase
Solution Approach 1:
The formatting instructions create packed data structures that serve multiple operations simultaneously. A single formatted packed operand can be used for different SIMD operations, multicast operations, and signal processing functions, reducing data loading requirements while the universal formatting mechanism handles the complexity of preparing data for various uses
Data Source
AI summary
Systems, methods, and apparatuses relating to a user defined formatting instruction to configure multicast Benes network circuitry are described. In one embodiment, a processor includes a decoder to decode a single instruction into a decoded single instruction, the single instruction having fields that identify packed input data, packed control data, and a packed data destination; and an execution unit to execute the decoded single instruction to: send the packed control data to respective control inputs of a circuit that comprises an inverse butterfly circuit coupled in series to a butterfly circuit, wherein the inverse butterfly circuit comprises a first plurality of stages of multicast switches and the butterfly circuit comprises a second plurality of stages of multicast switches, read, once from storage separate from the circuit, each element of the packed input data as respective inputs of the circuit, route the packed input data through the circuit according to the packed control data, and store resultant packed data from the circuit into the packed data destination.