abhikran-quic commented on code in PR #14854:
URL: https://github.com/apache/tvm/pull/14854#discussion_r1209785817
##########
tests/python/unittest/test_tir_schedule_compute_at.py:
##########
@@ -995,6 +995,41 @@ def
floordiv_and_floormod_indices_after_reverse_compute_at(a: T.handle, b: T.han
Y[v_i] = temp[v_i // 16, v_i % 16]
[email protected]_func
+def recursive_floordiv_and_floormod_indices(a: T.handle, b: T.handle) -> None:
+ X = T.match_buffer(a, [16, 16])
+ Y = T.match_buffer(b, [256])
+ temp = T.alloc_buffer([16, 4, 2, 2])
+ for i, j in T.grid(16, 16):
+ with T.block("A"):
+ v_i, v_j = T.axis.remap("SS", [i, j])
+ temp[v_i, v_j // 4, (v_j % 4) //2, v_j % 2] = X[v_j, v_i] + 1.0
+ for i, j in T.grid(16, 16):
+ with T.block("B"):
+ v_i, v_j = T.axis.remap("SS", [i, j])
+ Y[v_i*16 + v_j] = temp[v_i, v_j // 4, (v_j % 4) // 2, (v_j %2)]
+
+
[email protected]_func
+def recursive_floordiv_and_floormod_indices_after_reverse_compute_at(a:
T.handle, b: T.handle) -> None:
+ X = T.match_buffer(a, [16, 16])
+ Y = T.match_buffer(b, [256])
+ temp = T.alloc_buffer((16, 4, 2, 2))
+ for i in range(16):
+ for j in range(16):
+ with T.block("A"):
+ v_i, v_j = T.axis.remap("SS", [i, j])
+ T.reads(X[v_j, v_i])
+ T.writes(temp[v_i, v_j // 4, v_j % 4 // 2, v_j % 2])
+ temp[v_i, v_j // 4, v_j % 4 // 2, v_j % 2] = X[v_j, v_i] +
T.float32(1)
Review Comment:
I'm seeing an error while applying `reverse_compute_at` using the index_map
shared above.
Could you please tell if the idea is to check for indices access for
non-bijective form ?
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