Tests: run geometry nodes benchmarks multiple times to reduce noise
Ideally, we would also get variance information out of the test, but that seems a bit more complex to implement. For now just run the test a couple of times and average the timings. The test now runs between 5 and 100 times, depending on how long it to run the test once.
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@ -11,18 +11,33 @@ def _run(args):
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# Evaluate objects once first, to avoid any possible lazy evaluation later.
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# Evaluate objects once first, to avoid any possible lazy evaluation later.
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bpy.context.view_layer.update()
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bpy.context.view_layer.update()
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# Tag all objects with geometry nodes modifiers to be recalculated.
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test_time_start = time.time()
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for ob in bpy.context.view_layer.objects:
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measured_times = []
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for modifier in ob.modifiers:
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if modifier.type == 'NODES':
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ob.update_tag()
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break
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start_time = time.time()
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min_measurements = 5
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bpy.context.view_layer.update()
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max_measurements = 100
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elapsed_time = time.time() - start_time
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timeout = 5
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result = {'time': elapsed_time}
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while True:
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# Tag all objects with geometry nodes modifiers to be recalculated.
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for ob in bpy.context.view_layer.objects:
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for modifier in ob.modifiers:
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if modifier.type == 'NODES':
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ob.update_tag()
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break
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start_time = time.time()
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bpy.context.view_layer.update()
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elapsed_time = time.time() - start_time
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measured_times.append(elapsed_time)
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if len(measured_times) >= min_measurements and test_time_start + timeout < time.time():
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break
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if len(measured_times) >= max_measurements:
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break
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average_time = sum(measured_times) / len(measured_times)
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result = {'time': average_time}
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return result
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return result
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