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Add example for select_device_with_aspects. #726

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Dec 15, 2021
Merged

Add example for select_device_with_aspects. #726

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29 changes: 15 additions & 14 deletions examples/python/device_selection.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,17 +20,6 @@
import dpctl


def print_device(d):
"Display information about given device argument."
if type(d) is not dpctl.SyclDevice:
raise ValueError
print("Name: ", d.name)
print("Vendor: ", d.vendor)
print("Driver version: ", d.driver_version)
print("Backend: ", d.backend)
print("Max EU: ", d.max_compute_units)


def create_default_device():
"""
Create default SyclDevice using `cl::sycl::default_selector`.
Expand All @@ -42,7 +31,7 @@ def create_default_device():
d1 = dpctl.SyclDevice()
d2 = dpctl.select_default_device()
assert d1 == d2
print_device(d1)
d1.print_device_info()
return d1


Expand All @@ -58,7 +47,7 @@ def create_gpu_device():
d1 = dpctl.SyclDevice("gpu")
d2 = dpctl.select_gpu_device()
assert d1 == d2
print_device(d1)
d1.print_device_info()
except ValueError:
print("A GPU device is not available on the system")

Expand Down Expand Up @@ -96,12 +85,24 @@ def custom_select_device():
max_score = d.default_selector_score
selected_dev = d
if selected_dev:
print_device(selected_dev)
selected_dev.print_device_info()
else:
print("No device with half-precision support is available.")
return selected_dev


def create_device_with_aspects():
"""
Programmatically select a device based on specific set of aspects.

Demonstrate the usage of :func:`dpctl.select_device_with_aspects()`.
"""
dev = dpctl.select_device_with_aspects(
required_aspects=["fp64", "gpu", "usm_shared_allocations"]
)
dev.print_device_info()


if __name__ == "__main__":
import _runner as runner

Expand Down
19 changes: 4 additions & 15 deletions examples/python/filter_selection.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,40 +20,29 @@
import dpctl


def print_device(d):
"Display information about given device argument."
if type(d) is not dpctl.SyclDevice:
raise ValueError
print("Name: ", d.name)
print("Vendor: ", d.vendor)
print("Driver version: ", d.driver_version)
print("Backend: ", d.backend)
print("Max EU: ", d.max_compute_units)


def select_using_filter():
"""
Demonstrate the usage of a filter string to create a SyclDevice.

"""
try:
d1 = dpctl.SyclDevice("cpu")
print_device(d1)
d1.print_device_info()
except ValueError:
print("A CPU type device is not available on the system")

try:
d1 = dpctl.SyclDevice("opencl:cpu:0")
print_device(d1)
d1.print_device_info()
except ValueError:
print("An OpenCL CPU driver needs to be installed on the system")

d1 = dpctl.SyclDevice("0")
print_device(d1)
d1.print_device_info()

try:
d1 = dpctl.SyclDevice("gpu")
print_device(d1)
d1.print_device_info()
except ValueError:
print("A GPU type device is not available on the system")

Expand Down