## kernels.harness.default_max_workers()


Worker-pool size when the caller does not choose one: the


Usage

``` python
kernels.harness.default_max_workers()
```


`IBNR_MAX_WORKERS` env var (the container-level control - inside a cpu-limited container `os.cpu_count()` still reports the HOST's cores, so an orchestrator should set this alongside `--cpus`), else all schedulable CPUs, leaving one for the parent and the OS.