junrushao opened a new pull request, #14217:
URL: https://github.com/apache/tvm/pull/14217
This PR introduces a syntactic sugar that combines T.env_thread and
T.launch_thread.
Previously, an AttrStmt that specifies thread extent or virtual thread is
required to be written in two steps:
```python
bx = T.env_thread("blockIdx.x") // creates an IterVar
with T.launch_thread(bx, 128): // specify the iter domain
...
```
With this PR, now this behavior can be merged in a single line:
```python
with T.launch_thread("blockIdx.x", 128) as bx:
...
```
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