viva_tensor/blas

Types

BlasBackend

BLAS backend types

pub type BlasBackend {
  IntelMKL
  OpenBLAS
  ZigSIMD
  Unknown
}

Constructors

```
IntelMKL
```
```
OpenBLAS
```
```
ZigSIMD
```
```
Unknown
```

CpuTopology

</>

CPU topology info from NIF

pub type CpuTopology {
  CpuTopology(
    logical_cpus: Int,
    physical_cores: Int,
    l2_cache_kb: Int,
    l3_cache_kb: Int,
    has_avx2: Bool,
    has_avx512: Bool,
  )
}

Constructors

CpuTopology(
  logical_cpus: Int,
  physical_cores: Int,
  l2_cache_kb: Int,
  l3_cache_kb: Int,
  has_avx2: Bool,
  has_avx512: Bool,
)

Values

auto_configure

</>

pub fn auto_configure() -> Result(BlasBackend, String)

Auto-configure for maximum performance

backend_name

</>

pub fn backend_name(backend: BlasBackend) -> String

Get backend name as string

configure_threads

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pub fn configure_threads(num_threads: Int) -> Result(Nil, String)

Configure MKL/OpenBLAS threads for optimal performance

detect_backend

</>

pub fn detect_backend() -> BlasBackend

Detect the best available BLAS backend

expected_gflops

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pub fn expected_gflops(
  backend: BlasBackend,
  matrix_size: Int,
) -> Int

Performance tier for the backend

get_cpu_topology

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pub fn get_cpu_topology() -> CpuTopology

Get CPU topology for tuning

set_affinity

</>

pub fn set_affinity(mode: String) -> Result(Nil, String)

Set thread affinity (scatter for hybrid CPUs)