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# nemo_automodel.components.models.glm_moe_dsa.kernels.tilelang_indexer_bwd

## Module Contents

### Functions

| Name                                                                                                                        | Description |
| --------------------------------------------------------------------------------------------------------------------------- | ----------- |
| [`indexer_bwd_interface`](#nemo_automodel-components-models-glm_moe_dsa-kernels-tilelang_indexer_bwd-indexer_bwd_interface) | -           |
| [`tl_indexer_bwd_impl`](#nemo_automodel-components-models-glm_moe_dsa-kernels-tilelang_indexer_bwd-tl_indexer_bwd_impl)     | -           |

### Data

[`BF16`](#nemo_automodel-components-models-glm_moe_dsa-kernels-tilelang_indexer_bwd-BF16)

[`FP32`](#nemo_automodel-components-models-glm_moe_dsa-kernels-tilelang_indexer_bwd-FP32)

[`INT32`](#nemo_automodel-components-models-glm_moe_dsa-kernels-tilelang_indexer_bwd-INT32)

[`pass_configs`](#nemo_automodel-components-models-glm_moe_dsa-kernels-tilelang_indexer_bwd-pass_configs)

### API

```python
nemo_automodel.components.models.glm_moe_dsa.kernels.tilelang_indexer_bwd.indexer_bwd_interface(
    index_q: torch.Tensor,
    weights: torch.Tensor,
    index_k: torch.Tensor,
    topk_indices: torch.Tensor,
    grad_scores: torch.Tensor
)
```

```python
nemo_automodel.components.models.glm_moe_dsa.kernels.tilelang_indexer_bwd.tl_indexer_bwd_impl(
    heads: int,
    dim: int,
    topk: int,
    block_I: int = 32,
    num_stages: int = 0,
    num_threads: int = 128
)
```

```python
nemo_automodel.components.models.glm_moe_dsa.kernels.tilelang_indexer_bwd.BF16 = T.bfloat16
```

```python
nemo_automodel.components.models.glm_moe_dsa.kernels.tilelang_indexer_bwd.FP32 = T.float32
```

```python
nemo_automodel.components.models.glm_moe_dsa.kernels.tilelang_indexer_bwd.INT32 = T.int32
```

```python
nemo_automodel.components.models.glm_moe_dsa.kernels.tilelang_indexer_bwd.pass_configs = {tl.PassConfigKey.TL_DISABLE_TMA_LOWER: True, tl.PassConfigKey.TL_DISABLE_WARP_S...
```