zxybazh commented on a change in pull request #10874:
URL: https://github.com/apache/tvm/pull/10874#discussion_r840925066
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File path: python/tvm/exec/popen_worker.py
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@@ -40,22 +40,34 @@ def main():
if len(sys.argv) != 3:
print("Usage: <read_fd> <write_fd>")
return
- if sys.platform == "win32":
- # pylint: disable=import-outside-toplevel
- import msvcrt
-
- reader = os.fdopen(msvcrt.open_osfhandle(int(sys.argv[1]),
os.O_BINARY), "rb")
- writer = os.fdopen(msvcrt.open_osfhandle(int(sys.argv[2]),
os.O_BINARY), "wb")
- else:
- reader = os.fdopen(int(sys.argv[1]), "rb")
- writer = os.fdopen(int(sys.argv[2]), "wb")
logging.basicConfig(level=logging.INFO)
lock = threading.Lock()
+ def get_reader():
Review comment:
Hi TQ, it does not acutally help that we put `fdopen` into a
subfunction. The cause of the memory leak is acutally reusing the same `reader`
and `writer`. The change is acutally to create new `reader` and `writer`
everytime instead of reusing the same ones to avoid leak.
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