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Added section on halfvec performance [skip ci]

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Andrew Kane
2024-04-07 10:54:28 -07:00
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@@ -957,6 +957,16 @@ To compile for portability, use:
make OPTFLAGS="" make OPTFLAGS=""
``` ```
### Halfvec Performance
For best performance, make sure Postgres was compiled with a compiler that supports the `_Float16` type (since the same compiler will be used for extensions).
Compiler | x86-64 | aarch64
--- | --- | ---
GCC | 12+ | 7+
Clang | 15+ | 6+
Apple Clang | 14.3+ | 10+
## Installation Notes - Windows ## Installation Notes - Windows
### Missing Header ### Missing Header