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# MTL4TimestampGranularity

Provides a hint to the system about the desired accuracy when writing GPU counter timestamps.

```
enum MTL4TimestampGranularity
```

## Overview

Pass these values to [`writeTimestamp(granularity:counterHeap:index:)`](/documentation/Metal/MTL4ComputeCommandEncoder/writeTimestamp(granularity:counterHeap:index:)) and
[`writeTimestamp(granularity:after:counterHeap:index:)`](/documentation/Metal/MTL4RenderCommandEncoder/writeTimestamp(granularity:after:counterHeap:index:)) to control the
desired accurracy of the counter sampling operation.

---

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