[NO CP] triton sanity check for 2D POI (#2798)

Added a check that includes autotune configs for 2D POI only if their
size is big enough.

Author: AmdSampsa

torch/_inductor/runtime/triton_heuristics.py

@@ -2568,17 +2568,30 @@ def pointwise(
                 *hinted_configs,
             ]
             if torch.version.hip:
-                configs += [ # add here
-                ]
-                # bypass triton_config_with_settings -> triton_config logic
                 if "x" in size_hints and "y" in size_hints:
-                    configs += [
-                        Config({"XBLOCK": 512, "YBLOCK": 8}, num_warps=8), # wrt1/t21 # triton_poi_fused__unsafe_view_add_addmm_cat_clone_permute_split_with_sizes_view_19
-                        Config({"XBLOCK": 32, "YBLOCK": 128}, num_warps=4), # wrt2: 570us : triton_poi_fused_add_transpose_view_52
-                        Config({"XBLOCK":64, "YBLOCK": 32}, num_warps=8), # wrt3: 150us: triton_poi_fused__to_copy_add_native_layer_norm_native_layer_norm_backward_permute_view_103
-                        Config({"XBLOCK":64, "YBLOCK": 256}, num_warps=4), # wri0: 70us: triton_poi_fused_clone_tanh_transpose_19
-                        Config({"XBLOCK":512, "YBLOCK": 64}, num_warps=8), # wri0: 58us: triton_poi_fused_clone_53
-                    ]
+                    """add 2D tiling configs, but don't use triton_config_with_settings function
+                    as it is buggy and might change the tiling randomly
+                    """
+                    def addConfig__(xblock:int, yblock:int, num_warps:int, num_stages:int):
+                        # only add a tiling config if size is bigger than the tile
+                        # check also for grid overflow
+                        xgrid = (size_hints["x"] + xblock - 1) // xblock
+                        ygrid = (size_hints["y"] + yblock - 1) // yblock
+                        if xgrid > 2147483647:
+                            return
+                        if ygrid > 65535:
+                            return
+                        if size_hints["x"] < xblock:
+                            return
+                        if size_hints["y"] < yblock:
+                            return
+                        # all good, add the config
+                        configs.append(Config({"XBLOCK": xblock, "YBLOCK": yblock}, num_warps=num_warps, num_stages=num_stages))
+                    addConfig__(512, 8, 8,1 ) # wrt1/t21 # triton_poi_fused__unsafe_view_add_addmm_cat_clone_permute_split_with_sizes_view_19
+                    addConfig__(32, 128, 4, 1) # wrt2: 570us : triton_poi_fused_add_transpose_view_52
+                    addConfig__(64, 32, 8, 1) # wrt3: 150us: triton_poi_fused__to_copy_add_native_layer_norm_native_layer_norm_backward_permute_view_103
+                    addConfig__(64, 256, 4, 1) # wri0: 70us: triton_poi_fused_clone_tanh_transpose_19
+                    addConfig__(512, 64, 8, 1) # wri0: 58us: triton_poi_fused_clone_53
 
     if len(size_hints) == 3:
         if disable_pointwise_autotuning(inductor_meta):