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27 lines
1.4 KiB
Markdown
27 lines
1.4 KiB
Markdown
# YOMM2 on Compiler Explorer
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YOMM2 is available on Compiler Explorer. Make sure that you also select Boost
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version 1.74 or above, and you probably want to add the `-O3 -DNDEBUG` compiler
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switches.
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The following examples are available:
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* The [examples](https://jll63.github.io/yomm2/ce/slides.html) from the slides.
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* The matrix example from the GitHub langing page.
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The following examples use the diff mode to compare open methods with the
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equivalent (closed) virtual function based approaches.
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* [virtual function call vs uni-method call via plain reference](https://jll63.github.io/yomm2/ce/vf-vs-1m-ref.html)
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* [virtual function call vs uni-method call via virtual_ptr ](https://jll63.github.io/yomm2/ce/vf-vs-1m-vptr.html)
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* [double dispatch vs multi-method call via plain reference](https://jll63.github.io/yomm2/ce/2d-vs-2m-ref.html)
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* [double dispatch vs multi-method call via virtual_ptr ](https://jll63.github.io/yomm2/ce/2d-vs-2m-vptr.html)
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YOMM2 can also [add polymorphic operations to non-polymorphic
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classes](https://jll63.github.io/yomm2/ce/vptr-final.html).
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When `virtual_ptr` is used in combination with generated static offsets, method
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dispatch matches the speed of virtual functions. It is also possible to generate
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dispatch data that can be installed without calling `update`, a fairly expensive
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operaiton. See [this example](https://jll63.github.io/yomm2/ce/generator.html).
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