MasterJH5574 commented on code in PR #12825:
URL: https://github.com/apache/tvm/pull/12825#discussion_r973386916
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tests/python/unittest/test_meta_schedule_schedule_rule_cross_thread_reduction.py:
##########
@@ -663,8 +685,85 @@ def argmax_1(
)
+def test_gpu_argmax_32():
+ @T.prim_func
+ def argmax_0(
+ idx: T.Buffer[(1, 32), "int32"],
+ val: T.Buffer[(1, 32), "float32"],
+ argmax_v0: T.Buffer[(1,), "int32"],
+ argmax_v1: T.Buffer[(1,), "float32"],
+ ) -> None:
+ # body
+ # with T.block("root")
+ for i0, i1 in T.grid(1, 32):
+ with T.block("argmax"):
+ i, k = T.axis.remap("SR", [i0, i1])
+ T.reads(idx[i, k], val[i, k])
+ T.writes(argmax_v0[i], argmax_v1[i])
+ with T.init():
+ argmax_v0[i] = -1
+ argmax_v1[i] = T.float32(-3.4028234663852886e38)
+ v_argmax_v0: T.int32 = T.Select(argmax_v1[i] >= val[i, k],
argmax_v0[i], idx[i, k])
+ v_argmax_v1: T.float32 = T.Select(
+ argmax_v1[i] >= val[i, k], argmax_v1[i], val[i, k]
+ )
+ argmax_v0[i] = v_argmax_v0
+ argmax_v1[i] = v_argmax_v1
+
+ @T.prim_func
+ def argmax_1(
+ idx: T.Buffer[(1, 32), "int32"],
+ val: T.Buffer[(1, 32), "float32"],
+ argmax_v0: T.Buffer[(1,), "int32"],
+ argmax_v1: T.Buffer[(1,), "float32"],
+ ) -> None:
+ # body
+ # with T.block("root")
+ for i0, i1_0 in T.grid(1, 1):
+ for i1_1 in T.thread_binding(64, thread="threadIdx.x"):
+ with T.block("argmax"):
+ i = T.axis.spatial(1, i0)
+ k = T.axis.reduce(32, i1_0 * 64 + i1_1)
+ T.where(i1_0 * 64 + i1_1 < 32)
+ T.reads(idx[i, k], val[i, k])
+ T.writes(argmax_v0[i], argmax_v1[i])
+ with T.init():
+ argmax_v0[i] = -1
+ argmax_v1[i] = T.float32(-3.4028234663852886e38)
+ v_argmax_v0: T.int32 = T.Select(
+ argmax_v1[i] >= val[i, k], argmax_v0[i], idx[i, k]
+ )
+ v_argmax_v1: T.float32 = T.Select(
+ argmax_v1[i] >= val[i, k], argmax_v1[i], val[i, k]
+ )
+ argmax_v0[i] = v_argmax_v0
+ argmax_v1[i] = v_argmax_v1
+
+ decision_0 = [] # type: ignore
+ decision_1 = [
+ ("SampleCategorical", 4),
+ ]
+
+ mod = argmax_32
+ actual = ms.TuneContext(
+ mod=mod,
+ target=Target("nvidia/geforce-rtx-3090", host="llvm"),
+ space_generator=ms.space_generator.PostOrderApply(),
+ sch_rules=get_rules("cuda", ms.schedule_rule.CrossThreadReduction),
+ task_name="test",
+ ).generate_design_space()
+ print(actual[1].mod.script())
Review Comment:
Sorry my negligence 🤦♂️
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