GPU Interpreter for General-Purpose Parallel Processing

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Solution Overview

Problem

Programmers face difficulties in utilizing graphics processing units (GPUs) for non-graphics tasks due to specialized programming models and languages like DirectX and OpenGL, which are graphics computation oriented, making it hard for general-purpose programmers to harness the computational power of GPUs.

Innovation Solution

An interpreter is provided that simplifies GPU programming by using high-level languages like C# and introducing multi-dimensional parallel arrays, allowing programmers to work with more familiar data types and operations, which are then mapped to lower-level interfaces such as DirectX or OpenGL, thereby simplifying resource management and optimizing parallel processing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Power

If programmers use specialized programming interfaces like DirectX and OpenGL to program GPUs, then the GPU computational capabilities can be fully utilized, but the programming complexity and difficulty increase significantly

Engineering Contradiction:
ImproveGPU computational capabilityVSAvoidprogramming complexity
Core Design Contradiction:
PowerVSDevice complexity

Solution Approach 1:

The patent introduces an intermediary layer consisting of high-level programming languages (such as C#) and an interpreter that translates these languages into the specialized GPU programming interfaces (DirectX/OpenGL). This intermediary layer allows programmers to use familiar high-level constructs while the interpreter handles the complexity of mapping to the underlying graphics API, thus resolving the contradiction between accessing GPU power and managing programming complexity

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent replaces the mechanical system of directly writing low-level shader code with an automated translation system. Instead of manually crafting GPU programs in specialized languages, programmers write in high-level languages and the interpreter automatically generates the corresponding GPU instructions, substituting manual programming mechanics with automated code generation

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Adaptability or versatility

If programmers learn specialized programming languages like Cg or HLSL to program GPUs, then they can control GPU resources effectively, but the learning curve and barrier to entry increase

Engineering Contradiction:
ImproveGPU programming capabilityVSAvoidease of learning
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent makes the programming system universal by accepting multiple high-level programming languages (C#, C++, etc.) as inputs and translating them to GPU-specific instructions. This allows programmers from different programming backgrounds to access GPU computing without learning specialized languages, thereby increasing ease of learning while maintaining full GPU programming capability

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent creates a virtual copy of the programming interface that mirrors familiar high-level language constructs. The interpreter maintains an abstraction layer that copies the semantics of common programming patterns while translating them to GPU-appropriate operations, allowing programmers to work with familiar syntax without encountering GPU-specific complexity

Inventive Principle:
Principle #26Copying

3Productivity

If programmers write GPU programs directly in low-level interfaces, then resource management can be optimized, but the risk of non-working programs due to unknown limitations increases

Engineering Contradiction:
Improveprogram execution efficiencyVSAvoidprogram correctness
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The patent implements feedback mechanisms in the interpreter that automatically detect and report resource usage status. The system monitors GPU resource consumption (texture memory, register usage, instruction counts) and provides feedback to both the programmer and the code generation process, allowing for automatic adjustment of program parameters to stay within hardware limits while maintaining efficiency

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent automatically changes programming parameters during the translation process to optimize for GPU resource constraints. The interpreter adjusts parameters such as shader complexity, texture resolution, and instruction sequencing based on detected resource availability, transforming high-level code into optimized low-level instructions that respect hardware limitations without requiring manual intervention

Inventive Principle:
Principle #35Parameter changes

4Ease of operation

If an interpreter translates high-level language to low-level GPU interfaces, then programming accessibility improves, but the translation complexity and processing overhead increase

Engineering Contradiction:
Improveprogramming accessibilityVSAvoidinterpreter complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent segments the translation process into distinct modular phases: parsing the high-level language, building an intermediate representation, optimizing the computation graph, and generating target GPU code. Each phase is handled by a separate component, reducing the complexity burden on any single element and making the overall system more manageable while maintaining high accessibility

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS7800620B2Optimizing automated shader program construction
Publication Date: 2010.09.21 MICROSOFT TECHNOLOGY LICENSING LLC
  • US7800620B2 patent drawing
  • US7800620B2 patent drawing
  • US7800620B2 patent drawing

AI summary

Although GPUs have been harnessed to solve non-graphics problems, these solutions are not widespread because GPUs remain difficult to program. Instead, an interpreter simplifies the task of programming a GPU by providing language constructs such as a set of data types and operations that are more familiar to non-graphics programmers. The interpreter maps these familiar language constructs to the more difficult graphics programming resources such as DirectX®, OpenGL®, Cg®, and/or HLSL®.