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Performance Engineering of Numerical Algorithms

Overview

This project investigates performance-critical numerical algorithms commonly used in scientific computing and large-scale systems. It consolidates multiple implementations and analyses into a unified study of how algorithm design, memory hierarchy, and low-level optimizations affect runtime efficiency.

The focus is on measurable performance improvements, combining theoretical analysis with empirical benchmarking.


Project Scope

Optimized Matrix Multiplication (GEMM)

  • Implemented multiple versions of general matrix–matrix multiplication
  • Applied loop reordering, blocking, and cache-aware optimizations
  • Evaluated performance using execution time and floating-point throughput (FLOPS)

Large-Scale Linear System Solving

  • Implemented numerical methods for solving large linear systems
  • Analyzed computational complexity and scaling behavior
  • Studied trade-offs between performance and numerical stability

Prime Sieving and Memory Behavior

  • Developed optimized implementations of the Sieve of Eratosthenes
  • Focused on memory access patterns, cache efficiency, and scalability
  • Compared baseline and optimized versions to quantify speedup

Performance Measurement & Analysis

  • Conducted systematic benchmarking and runtime profiling
  • Analyzed performance in terms of instruction count, memory hierarchy effects, and algorithmic structure
  • Interpreted results using empirical data and performance models

Key Concepts & Skills Demonstrated

  • Performance engineering and optimization
  • Cache-aware algorithm design
  • Numerical computing and linear algebra
  • Scalability analysis and benchmarking
  • High-performance computing fundamentals

Implementation Details

  • Languages: C / C++
  • Execution environment: Linux-based systems
  • Performance evaluated through controlled experiments and repeated runs

Project Outcome

This project demonstrates how low-level optimization and architectural awareness significantly impact the efficiency of numerical workloads. It highlights a systems-oriented approach to computation, bridging algorithm theory with real hardware behavior.


Author

Hugo Wan


Notes

The work reflects core skills used in HPC, performance engineering, and systems-oriented software development, and is applicable to compute-intensive domains such as scientific simulation and machine learning.

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High Performance Computing

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