Reduced allocations for halfvec

ankane · ankane · commit 61291252280f · 2025-05-10T10:21:35.000-07:00
diff --git a/src/Pgvector/Npgsql/HalfvecConverter.cs b/src/Pgvector/Npgsql/HalfvecConverter.cs
@@ -52,7 +52,7 @@ public override async ValueTask<HalfVector> ReadAsync(PgReader reader, Cancellat
     }
 
     public override Size GetSize(SizeContext context, HalfVector value, ref object? writeState)
-        => sizeof(ushort) * 2 + sizeof(ushort) * value.ToArray().Length;
+        => sizeof(ushort) * 2 + sizeof(ushort) * value.Memory.Length;
 
     public override void Write(PgWriter writer, HalfVector value)
     {

Original file line number	Diff line number	Diff line change
`@@ -52,7 +52,7 @@ public override async ValueTask<HalfVector> ReadAsync(PgReader reader, Cancellat`
`52`	`52`	`}`
`53`	`53`
`54`	`54`	`public override Size GetSize(SizeContext context, HalfVector value, ref object? writeState)`
`55`		`- => sizeof(ushort) * 2 + sizeof(ushort) * value.ToArray().Length;`
	`55`	`+ => sizeof(ushort) * 2 + sizeof(ushort) * value.Memory.Length;`
`56`	`56`
`57`	`57`	`public override void Write(PgWriter writer, HalfVector value)`
`58`	`58`	`{`