masahi commented on a change in pull request #7136:
URL: https://github.com/apache/tvm/pull/7136#discussion_r546499341
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File path: python/tvm/topi/cuda/nms.py
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@@ -523,132 +473,112 @@ def calculate_overlap(out_tensor, box_a_idx, box_b_idx):
max_threads =
int(tvm.target.Target.current(allow_none=False).max_num_threads)
with ib.new_scope():
+ nthread_tx = max_threads
+ # num_anchors can be zero
+ nthread_bx = tvm.tir.max(1, ceil_div(num_anchors, max_threads))
Review comment:
Yeah that sounds good. Added `max` to `scope_attr` method in
`ir_builder.py`.
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