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Replace use of cupy.cuda.ExternalStream with cupy.cuda.Stream.from_external

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Oleksandr Pavlyk
2026-04-01 08:17:12 -05:00
parent 7c60edcc0a
commit 974eb5ee0f
1 changed files with 4 additions and 9 deletions
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13
python/examples/cupy_extract.py
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@@ -20,21 +20,16 @@ import cuda.bench as bench
import cupy as cp
def as_cp_ExternalStream(
cs: bench.CudaStream, dev_id: int | None = -1
) -> cp.cuda.ExternalStream:
h = cs.addressof()
return cp.cuda.ExternalStream(h, dev_id)
def as_cp_ExternalStream(cs: bench.CudaStream):
return cp.cuda.Stream.from_external(cs)
def cupy_extract_by_mask(state: bench.State):
n_cols = state.get_int64("numCols")
n_rows = state.get_int64("numRows")
dev_id = state.get_device()
cp_s = as_cp_ExternalStream(state.get_stream(), dev_id)
cp_s = as_cp_ExternalStream(state.get_stream())
state.collect_cupti_metrics()
state.add_element_count(n_rows * n_cols, "# Elements")
int32_dt = cp.dtype(cp.int32)
bool_dt = cp.dtype(cp.bool_)
@@ -49,7 +44,7 @@ def cupy_extract_by_mask(state: bench.State):
_ = X[mask]
def launcher(launch: bench.Launch):
with as_cp_ExternalStream(launch.get_stream(), dev_id):
with as_cp_ExternalStream(launch.get_stream()):
_ = X[mask]
state.exec(launcher, sync=True)