---
title: BLAS_THREADING_MULTI_THREADED
framework: accelerate
role: symbol
role_heading: Global Variable
path: accelerate/blas_threading_multi_threaded
---

# BLAS_THREADING_MULTI_THREADED

A constant that specifies that the Accelerate framework decides whether BLAS and LAPACK execute on single or multiple threads.

## Declaration

```swift
var BLAS_THREADING_MULTI_THREADED: BLAS_THREADING { get }
```

## See Also

### Specifying a threading model

- [init(_:)](accelerate/blas_threading/init(_:).md)
- [init(rawValue:)](accelerate/blas_threading/init(rawvalue:).md)
- [rawValue](accelerate/blas_threading/rawvalue.md)
- [BLAS_THREADING_SINGLE_THREADED](accelerate/blas_threading_single_threaded.md)
- [BLAS_THREADING_MAX_OPTIONS](accelerate/blas_threading_max_options.md)