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Address #2754, accuracy issues with gpu_hist (#3793)

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* Address windows compilation error

* Do not allow divide by zero in weight calculation

* Update tests
This commit is contained in:
Rory Mitchell
2018-10-15 17:50:31 +13:00
committed by GitHub
parent 516457fadc
commit f00fd87b36
3 changed files with 5 additions and 4 deletions
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4
tests/python-gpu/test_gpu_updaters.py
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@@ -28,8 +28,8 @@ class TestGPU(unittest.TestCase):
assert_gpu_results(cpu_results, gpu_results)
def test_gpu_hist(self):
variable_param = {'n_gpus': [-1], 'max_depth': [2, 10], 'max_leaves': [255, 4],
'max_bin': [2, 256],
variable_param = {'n_gpus': [-1], 'max_depth': [2, 8], 'max_leaves': [255, 4],
'max_bin': [2, 256], 'min_child_weight': [0, 1], 'lambda': [0.0, 1.0],
'grow_policy': ['lossguide']}
for param in parameter_combinations(variable_param):
param['tree_method'] = 'gpu_hist'