Merge branch 'main' of https://git.dws.rip/DWS/chrome

README.md

@@ -19,12 +19,38 @@ A high-performance C++ port of [negfix8](https://github.com/chrishunt/negfix8) f
 
 ## Performance
 
-| Tool | Time | Speedup |
-|------|------|---------|
-| negfix8 (original) | 18m 8s | 1x |
-| **Chrome** | **~10s** | **~109x** |
+### Chrome vs negfix8
 
-*Benchmark: 9098×12160 16-bit TIFF (~332MB) on AMD Ryzen 9 7950X3D (32 threads, 64GB RAM)*
+| Image | Tool | Flags | Time | Speedup |
+|-------|------|-------|------|---------|
+| Large (9098×12160, 633MB) | negfix8 | — | 18m 8s | 1x |
+| Large (9098×12160, 633MB) | **Chrome** | — | **1.26s** | **~865x** |
+| Small (4272×6272, 153MB) | negfix8 | — | 22.0s | 1x |
+| Small (4272×6272, 153MB) | **Chrome** | — | **0.41s** | **~54x** |
+
+### Chrome Detailed Benchmarks
+
+#### Large Image (test_input.tiff — 9098×12160, 633MB)
+
+| Flags | Time |
+|-------|------|
+| *(baseline)* | 1.26s |
+| `-cs` | 1.38s |
+| `-sat 50` | 1.38s |
+| `-exp 1.2` | 1.39s |
+| `-cs -sat 50 -exp 1.2` | 1.45s |
+
+#### Small Image (test_input_small.tiff — 4272×6272, 153MB)
+
+| Flags | Time |
+|-------|------|
+| *(baseline)* | 0.41s |
+| `-cs` | 0.36s |
+| `-sat 50` | 0.35s |
+| `-exp 1.2` | 0.35s |
+| `-cs -sat 50 -exp 1.2` | 0.36s |
+
+*Benchmarks run on AMD Ryzen 9 7950X3D (32 threads, 64GB RAM)*
 
 ## Features
 

main.cpp

@@ -407,10 +407,10 @@ int main(int argc, char** argv) {
     std::string out = settings.outputPath.empty() ? "output.tif" : settings.outputPath;
     std::cout << "Saving to " << out << "..." << std::endl;
     
-    // Set compression params for TIFF
+    // Set compression params for TIFF - use no compression for speed
     std::vector<int> params;
     params.push_back(cv::IMWRITE_TIFF_COMPRESSION);
-    params.push_back(5); // LZW (equivalent to Zip roughly in OpenCV terms, usually 5 or 1)
+    params.push_back(1); // No compression (30x faster than LZW)
 
     cv::imwrite(out, img, params);
     std::cout << "Done." << std::endl;