| # FLA Environment Variables | |
| | Variable | Default | Options | Description | | |
| | -------------------- | ------- | ------------------------ | ---------------------------------------------------------------------------------------- | | |
| | `FLA_CONV_BACKEND` | `cuda` | `triton` or `cuda` | Choose the convolution backend. `cuda` is the default and preferred for most cases. | | |
| | `FLA_USE_TMA` | `0` | `0` or `1` | Set to `1` to enable Tensor Memory Accelerator (TMA) on Hopper or Blackwell GPUs. | | |
| | `FLA_USE_FAST_OPS` | `0` | `0` or `1` | Enable faster, but potentially less accurate, operations when set to `1`. | | |
| | `FLA_CACHE_RESULTS` | `1` | `0` or `1` | Whether to cache autotune timings to disk. Defaults to `1` (enabled). | | |
| | `FLA_TRIL_PRECISION` | `ieee` | `ieee`, `tf32`, `tf32x3` | Controls the precision for triangular operations. `tf32x3` is only available on NV GPUs. | | |