Hw3

[g4rry1]

Summary

Implements the third task: a streaming pipeline for batch processing of 8-bit grayscale BMP images.

What is included

• Thread-safe bounded queue between pipeline stages with configurable capacity
• Pipeline implementation using pthreads: reader → N workers → writer
• CLI options for pipeline execution:
  • --pipeline[=N] — enable pipeline mode with N worker threads
  • --indir=path — input directory (all .bmp files)
  • --outdir=path — output directory
  • --queue-size=N — bounded queue capacity between stages
  • --parallel=type / --threads=N — optional parallel convolution inside each worker
• Pipeline unit tests (single worker, multiple workers, queue-size=1, parallel convolution inside workers)
• Binary integration tests for all execution modes (sequential, parallel, pipeline) running end-to-end through the built binary
• CI extended with: ASan + UBSan job, ThreadSanitizer job, clang-tidy step
• Benchmark script extended with pipeline measurements, results, heatmaps, and analysis
• Updated README with pipeline usage, options, and benchmark results

How to test

cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
cmake --build build --target check --parallel