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docs: describe INestingEngine-based benchmark comparison

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aj
2026-09-19 08:25:57 -04:00
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README.md
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@@ -168,7 +168,7 @@ dotnet run --project OpenNest.Console/OpenNest.Console.csproj -- project.zip ext
## Benchmarking Nest Engines
`OpenNest.Benchmark` compares every registered `NestEngineBase` implementation against each other on a set of `.nest` files, scoring by material utilization:
`OpenNest.Benchmark` compares every registered `INestingEngine` implementation against each other on a set of `.nest` files, scoring by material utilization. Each engine owns its own multi-plate/size strategy for the whole job — how many plates it uses, of which sizes, and how demand splits across them:
```bash
# Benchmark all registered engines against every .nest file in a folder
@@ -179,7 +179,7 @@ dotnet run --project OpenNest.Benchmark/OpenNest.Benchmark.csproj -- job.nest \
--sheet-sizes 48x96,60x96,60x120,72x120,72x144 --engines Default,Astra,Claude --csv results.csv
```
An engine's layout is rejected (scoring zero for that job) if any part falls outside the work area, any two parts are closer than the required spacing, or a drawing gets more parts placed than requested.
An engine's layout is rejected (scoring zero for that job) if any part falls outside the work area, any two parts are closer than the required spacing, or a drawing gets more parts placed than requested. A run that doesn't finish within its time budget also scores zero, as a timeout.
## Project Structure
@@ -213,7 +213,7 @@ OpenNest.sln
| **OpenNest.Gpu** | GPU-accelerated bitmap overlap detection for best-fit pair evaluation using ILGPU. |
| **OpenNest.Posts.Cincinnati** | Post-processor plugin for Cincinnati CL-707/800/900/940/CLX laser cutting machines. Outputs Cincinnati-format G-code with material library, kerf compensation, and pierce logic. |
| **OpenNest.Mcp** | MCP (Model Context Protocol) server exposing nesting operations as tools for AI assistants. |
| **OpenNest.Benchmark** | Runs every registered nest engine against a set of `.nest` files and scores them by material utilization, so engine implementations can be compared head-to-head. |
| **OpenNest.Benchmark** | Runs every registered whole-job nesting engine (`INestingEngine`) against a set of `.nest` files and scores them by material utilization, so competing engines — each owning its own multi-plate strategy — can be compared head-to-head. |
| **OpenNest.Tests** | 89 test files covering core geometry, fill strategies, splitting, bending, BOM import, post-processing, and the API. |
## Nesting Engines