# stream_pd(void*, v128)

> Store 128-bits (composed of 2 packed double-precision (64-bit) floating-point elements) from "a" into memory using a non-temporal memory hint. "mem_addr" must be aligned on a 16-byte boundary or a general-protection exception will be generated.

## Definition

* **Type:** Method
* **Namespace:** [Unity.Burst.Intrinsics](/engine/6000.7/script-reference/unity/burst/intrinsics.md)
* **Assembly:** UnityEngine.BurstModule

```csharp
public static void stream_pd(void* mem_addr, v128 a)
```

### Parameters

**** (\[void\*]\(https\://learn.microsoft.com/dotnet/api/system.void)): Memory address**** (\[v128]\(/engine/6000.7/script-reference/unity/burst/intrinsics/v128)): Vector a