impl_abstract for permute_1D_sparse_data (pytorch#2087)

Summary: Pull Request resolved: pytorch#2087

Reviewed By: zou3519

Differential Revision: D50584541

fbgemm_gpu/fbgemm_gpu/sparse_operators.py

@@ -45,3 +45,29 @@ def permute_2D_sparse_data_meta(
         # pyre-fixme
         permuted_weights = weights.new_empty(permuted_indices_size)
     return permuted_lengths, permuted_indices, permuted_weights
+
+
+@torch.library.impl_abstract("fbgemm::permute_1D_sparse_data")
+def permute_1D_sparse_data_meta(
+    permute: Tensor,
+    lengths: Tensor,
+    values: Tensor,
+    weights: Optional[Tensor] = None,
+    permuted_lengths_sum: Optional[int] = None,
+) -> Tuple[Tensor, Tensor, Optional[Tensor]]:
+    indices = values
+    permuted_lengths_size = permute.numel()
+    permuted_lengths = lengths.new_empty([permuted_lengths_size])
+    permuted_indices_size = 0
+    if permuted_lengths_sum is not None:
+        permuted_indices_size = permuted_lengths_sum
+    else:
+        ctx = torch._custom_op.impl.get_ctx()
+        permuted_indices_size = ctx.new_dynamic_size()
+    # pyre-fixme
+    permuted_indices = indices.new_empty(permuted_indices_size)
+    permuted_weights = None
+    if weights is not None:
+        # pyre-fixme
+        permuted_weights = weights.new_empty(permuted_indices_size)
+    return permuted_lengths, permuted_indices, permuted_weights

fbgemm_gpu/test/failures_dict.json

@@ -516,18 +516,10 @@
       }
     },
     "fbgemm::permute_1D_sparse_data": {
-      "SparseOpsTest.test_aot_dispatch_dynamic__test_permute_indices": {
-        "comment": "",
-        "status": "xfail"
-      },
       "SparseOpsTest.test_aot_dispatch_static__test_permute_indices": {
         "comment": "",
         "status": "xfail"
       },
-      "SparseOpsTest.test_faketensor__test_permute_indices": {
-        "comment": "",
-        "status": "xfail"
-      },
       "SparseOpsTest.test_schema__test_permute_indices": {
         "comment": "flaky",
         "status": "skip"