---
title: "recommendedPersistentThreadgroupsPerGrid(forThreadsPerThreadgroup:)"
framework: Metal
role: symbol
role_heading: Instance Method
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, tvOS 27.0+, visionOS 27.0+]
path: "metal/mtlcomputepipelinestate/recommendedpersistentthreadgroupspergrid(forthreadsperthreadgroup:)"
---

# recommendedPersistentThreadgroupsPerGrid(forThreadsPerThreadgroup:)

## Declaration

```swift
func recommendedPersistentThreadgroupsPerGrid(forThreadsPerThreadgroup threadsPerThreadgroup: MTLSize) -> Int
```