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Non-static bounce buffer option #454

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merged 10 commits into from
Sep 2, 2024
Merged

Non-static bounce buffer option #454

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7fdff4c
dynamic bounce buffer size
madsbk Sep 2, 2024
cc72163
AllocRetain: leak allocations at exit
madsbk Sep 2, 2024
902385a
AllocRetain: std::size_t clear()
madsbk Sep 2, 2024
c82c1d5
buffer.py
madsbk Sep 2, 2024
7039bef
test_bounce_buffer_clear
madsbk Sep 2, 2024
6c92595
doc
madsbk Sep 2, 2024
7597bae
Apply suggestions from code review
madsbk Sep 2, 2024
49bf4ac
test
madsbk Sep 2, 2024
669dfa2
bounce_buffer_free
madsbk Sep 2, 2024
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doc
madsbk Sep 2, 2024
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test
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@madsbk
madsbk committed Sep 2, 2024
commit 49bf4ac9daa4e74987ce98db2508216822b67c51
14 changes: 9 additions & 5 deletions python/kvikio/tests/test_basic_io.py
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Original file line number Diff line number Diff line change
Expand Up @@ -279,13 +279,17 @@ def test_different_bounce_buffer_sizes(tmp_path, size, tasksize, buffer_size):
def test_bounce_buffer_clear(tmp_path):
"""Test clearing the bounce buffer"""
filename = tmp_path / "test-file"
kvikio.buffer.bounce_buffer_clear()
with kvikio.defaults.set_compat_mode(True), kvikio.defaults.set_num_threads(1):
with kvikio.CuFile(filename, "w") as f:
with kvikio.defaults.set_bounce_buffer_size(1024):
f.write(cupy.arange(10)) # populate the bounce buffer
# Notice, since the bounce buffer size is only checked when the buffer
# is used, we populate the bounce buffer in between we clear it.
f.write(cupy.arange(10))
assert kvikio.buffer.bounce_buffer_clear() == 1024
f.write(cupy.arange(10)) # populate the bounce buffer
assert kvikio.buffer.bounce_buffer_clear() == 0
f.write(cupy.arange(10))
with kvikio.defaults.set_bounce_buffer_size(2048):
with kvikio.CuFile(filename, "w") as f:
f.write(cupy.arange(10)) # populate the bounce buffer
assert kvikio.buffer.bounce_buffer_clear() == 2048
f.write(cupy.arange(10))
assert kvikio.buffer.bounce_buffer_clear() == 2048
assert kvikio.buffer.bounce_buffer_clear() == 0