def comparison_test_dense():
if sys.version.startswith("2"):
print("native XGBoost tests only supported on python3")
return
import xgboost as xgb
assert H2OXGBoostEstimator.available() is True
ret = h2o.cluster()
if len(ret.nodes) == 1:
runSeed = 1
dataSeed = 17
testTol = 1e-10
ntrees = 17
maxdepth = 5
# CPU Backend is forced for the results to be comparable
h2oParamsD = {"ntrees":ntrees, "max_depth":maxdepth, "seed":runSeed, "learn_rate":0.7, "col_sample_rate_per_tree" : 0.9,
"min_rows" : 5, "score_tree_interval": ntrees+1, "dmatrix_type":"sparse", "tree_method": "exact", "backend":"cpu"}
nativeParam = {'colsample_bytree': h2oParamsD["col_sample_rate_per_tree"],
'tree_method': 'exact',
'seed': h2oParamsD["seed"],
'booster': 'gbtree',
'objective': 'reg:linear',
'eta': h2oParamsD["learn_rate"],
'grow_policy': 'depthwise',
'alpha': 0.0,
'subsample': 1.0,
'colsample_bylevel': 1.0,
'max_delta_step': 0.0,
'min_child_weight': h2oParamsD["min_rows"],
'gamma': 0.0,
'max_depth': h2oParamsD["max_depth"]}
nrows = 10000
ncols = 10
factorL = 11
numCols = 0
enumCols = ncols-numCols
responseL = 2
trainFile = pyunit_utils.genTrainFrame(nrows, numCols, enumCols=enumCols, enumFactors=factorL, miscfrac=0.5,
responseLevel=responseL, randseed=dataSeed)
y='response'
trainFile = trainFile.drop(y) # drop the enum response and generate real values here
yresp = 0.99*pyunit_utils.random_dataset_numeric_only(10000, 1, integerR = 1000000, misFrac=0, randSeed=dataSeed)
yresp.set_name(0, y)
trainFile = trainFile.cbind(yresp)
myX = trainFile.names
myX.remove(y)
enumCols = myX[0:enumCols]
h2oModelD = H2OXGBoostEstimator(**h2oParamsD)
# gather, print and save performance numbers for h2o model
h2oModelD.train(x=myX, y=y, training_frame=trainFile)
h2oTrainTimeD = h2oModelD._model_json["output"]["run_time"]
time1 = time.time()
h2oPredictD = h2oModelD.predict(trainFile)
h2oPredictTimeD = time.time()-time1
# train the native XGBoost
nativeTrain = pyunit_utils.convertH2OFrameToDMatrixSparse(trainFile, y, enumCols=enumCols)
nrounds=ntrees
nativeModel = xgb.train(params=nativeParam, dtrain=nativeTrain, num_boost_round=nrounds)
nativeTrainTime = time.time()-time1
# create a "test" matrix - it will be identical to "train" matrix but it will not have any cached predictions
# if we tried to use matrix `nativeTrain` predict(..) will not actually compute anything it will return the cached predictions
# cached predictions are slightly different from the actual predictions
nativeTest = pyunit_utils.convertH2OFrameToDMatrixSparse(trainFile, y, enumCols=enumCols)
time1=time.time()
nativePred = nativeModel.predict(data=nativeTest, ntree_limit=ntrees)
nativeScoreTime = time.time()-time1
pyunit_utils.summarizeResult_regression(h2oPredictD, nativePred, h2oTrainTimeD, nativeTrainTime, h2oPredictTimeD,
nativeScoreTime, tolerance=testTol)
else:
print("******** Test skipped. This test cannot be performed in multinode environment.")
def comparison_test_dense():
assert H2OXGBoostEstimator.available() is True
ret = h2o.cluster()
if len(ret.nodes) == 1:
runSeed = 1
dataSeed = 17
testTol = 1e-10
ntrees = 17
maxdepth = 5
# CPU Backend is forced for the results to be comparable
h2oParamsD = {"ntrees":ntrees, "max_depth":maxdepth, "seed":runSeed, "learn_rate":0.7, "col_sample_rate_per_tree" : 0.9,
"min_rows" : 5, "score_tree_interval": ntrees+1, "dmatrix_type":"dense","tree_method": "exact", "backend":"cpu"}
nativeParam = {'colsample_bytree': h2oParamsD["col_sample_rate_per_tree"],
'tree_method': 'exact',
'seed': h2oParamsD["seed"],
'booster': 'gbtree',
'objective': 'reg:linear',
'eta': h2oParamsD["learn_rate"],
'grow_policy': 'depthwise',
'alpha': 0.0,
'subsample': 1.0,
'colsample_bylevel': 1.0,
'max_delta_step': 0.0,
'min_child_weight': h2oParamsD["min_rows"],
'gamma': 0.0,
'max_depth': h2oParamsD["max_depth"]}
nrows = 10000
ncols = 10
factorL = 20
numCols = 5
enumCols = ncols-numCols
trainFile = pyunit_utils.genTrainFrame(nrows, numCols, enumCols=enumCols, enumFactors=factorL, miscfrac=0.01,
randseed=dataSeed) # load in dataset and add response column
y='response'
trainFile = trainFile.drop(y) # drop the enum response and generate real values here
yresp = 0.99*pyunit_utils.random_dataset_numeric_only(nrows, 1, integerR = 1000000, misFrac=0, randSeed=dataSeed)
yresp.set_name(0, y)
trainFile = trainFile.cbind(yresp)
myX = trainFile.names
myX.remove(y)
enumCols = myX[0:enumCols]
h2oModelD = H2OXGBoostEstimator(**h2oParamsD)
# gather, print and save performance numbers for h2o model
h2oModelD.train(x=myX, y=y, training_frame=trainFile)
h2oTrainTimeD = h2oModelD._model_json["output"]["run_time"]
time1 = time.time()
h2oPredictD = h2oModelD.predict(trainFile)
h2oPredictTimeD = time.time()-time1
# train the native XGBoost
nativeTrain = pyunit_utils.convertH2OFrameToDMatrix(trainFile, y, enumCols=enumCols)
nrounds=ntrees
nativeModel = xgb.train(params=nativeParam, dtrain=nativeTrain, num_boost_round=nrounds) # need to specify one more to get the right number
nativeTrainTime = time.time()-time1
# create a "test" matrix - it will be identical to "train" matrix but it will not have any cached predictions
# if we tried to use matrix `nativeTrain` predict(..) will not actually compute anything it will return the cached predictions
# cached predictions are slightly different from the actual predictions
nativeTest = pyunit_utils.convertH2OFrameToDMatrix(trainFile, y, enumCols=enumCols)
time1=time.time()
nativePred = nativeModel.predict(data=nativeTest, ntree_limit=ntrees)
nativeScoreTime = time.time()-time1
pyunit_utils.summarizeResult_regression(h2oPredictD, nativePred, h2oTrainTimeD, nativeTrainTime, h2oPredictTimeD,
nativeScoreTime, tolerance=testTol)
else:
print("******** Test skipped. This test cannot be performed in multinode environment.")
def comparison_test_dense():
assert H2OXGBoostEstimator.available() is True
runSeed = 1
testTol = 1e-6
ntrees = 10
maxdepth = 5
# CPU Backend is forced for the results to be comparable
h2oParamsD = {
"ntrees": ntrees,
"max_depth": maxdepth,
"seed": runSeed,
"learn_rate": 0.7,
"col_sample_rate_per_tree": 0.9,
"min_rows": 5,
"score_tree_interval": ntrees + 1,
"dmatrix_type": "dense",
"tree_method": "exact",
"backend": "cpu"
}
nativeParam = {
'colsample_bytree': h2oParamsD["col_sample_rate_per_tree"],
'tree_method': 'exact',
'seed': h2oParamsD["seed"],
'booster': 'gbtree',
'objective': 'reg:linear',
'lambda': 0.0,
'eta': h2oParamsD["learn_rate"],
'grow_policy': 'depthwise',
'alpha': 0.0,
'subsample': 1.0,
'colsample_bylevel': 1.0,
'max_delta_step': 0.0,
'min_child_weight': h2oParamsD["min_rows"],
'gamma': 0.0,
'max_depth': h2oParamsD["max_depth"]
}
nrows = 10000
ncols = 10
factorL = 20
numCols = 5
enumCols = ncols - numCols
trainFile = pyunit_utils.genTrainFrame(
nrows, numCols, enumCols=enumCols, enumFactors=factorL,
miscfrac=0.01) # load in dataset and add response column
y = 'response'
trainFile = trainFile.drop(
y) # drop the enum response and generate real values here
yresp = 0.99 * pyunit_utils.random_dataset_numeric_only(
nrows, 1, integerR=1000000, misFrac=0)
yresp.set_name(0, y)
trainFile = trainFile.cbind(yresp)
myX = trainFile.names
myX.remove(y)
enumCols = myX[0:enumCols]
h2oModelD = H2OXGBoostEstimator(**h2oParamsD)
# gather, print and save performance numbers for h2o model
h2oModelD.train(x=myX, y=y, training_frame=trainFile)
h2oTrainTimeD = h2oModelD._model_json["output"]["run_time"]
time1 = time.time()
h2oPredictD = h2oModelD.predict(trainFile)
h2oPredictTimeD = time.time() - time1
# train the native XGBoost
nativeTrain = pyunit_utils.convertH2OFrameToDMatrix(trainFile,
y,
enumCols=enumCols)
nativeModel = xgb.train(params=nativeParam, dtrain=nativeTrain)
nativeTrainTime = time.time() - time1
time1 = time.time()
nativePred = nativeModel.predict(data=nativeTrain, ntree_limit=ntrees)
nativeScoreTime = time.time() - time1
pyunit_utils.summarizeResult_regression(h2oPredictD,
nativePred,
h2oTrainTimeD,
nativeTrainTime,
h2oPredictTimeD,
nativeScoreTime,
tolerance=testTol)
def comparison_test_dense():
assert H2OXGBoostEstimator.available() is True
ret = h2o.cluster()
if len(ret.nodes) == 1:
runSeed = 1
dataSeed = 17
testTol = 1e-6
ntrees = 17
maxdepth = 5
# CPU Backend is forced for the results to be comparable
h2oParamsD = {"ntrees":ntrees, "max_depth":maxdepth, "seed":runSeed, "learn_rate":0.7, "col_sample_rate_per_tree" : 0.9,
"min_rows" : 5, "score_tree_interval": ntrees+1, "dmatrix_type":"sparse", "tree_method": "exact", "backend":"cpu"}
nativeParam = {'colsample_bytree': h2oParamsD["col_sample_rate_per_tree"],
'tree_method': 'exact',
'seed': h2oParamsD["seed"],
'booster': 'gbtree',
'objective': 'reg:linear',
'lambda': 0.0,
'eta': h2oParamsD["learn_rate"],
'grow_policy': 'depthwise',
'alpha': 0.0,
'subsample': 1.0,
'colsample_bylevel': 1.0,
'max_delta_step': 0.0,
'min_child_weight': h2oParamsD["min_rows"],
'gamma': 0.0,
'max_depth': h2oParamsD["max_depth"]}
nrows = 10000
ncols = 10
factorL = 11
numCols = 0
enumCols = ncols-numCols
responseL = 2
trainFile = pyunit_utils.genTrainFrame(nrows, numCols, enumCols=enumCols, enumFactors=factorL, miscfrac=0.5,
responseLevel=responseL, randseed=dataSeed)
y='response'
trainFile = trainFile.drop(y) # drop the enum response and generate real values here
yresp = 0.99*pyunit_utils.random_dataset_numeric_only(10000, 1, integerR = 1000000, misFrac=0, randSeed=dataSeed)
yresp.set_name(0, y)
trainFile = trainFile.cbind(yresp)
myX = trainFile.names
myX.remove(y)
enumCols = myX[0:enumCols]
h2oModelD = H2OXGBoostEstimator(**h2oParamsD)
# gather, print and save performance numbers for h2o model
h2oModelD.train(x=myX, y=y, training_frame=trainFile)
h2oTrainTimeD = h2oModelD._model_json["output"]["run_time"]
time1 = time.time()
h2oPredictD = h2oModelD.predict(trainFile)
h2oPredictTimeD = time.time()-time1
# train the native XGBoost
nativeTrain = pyunit_utils.convertH2OFrameToDMatrixSparse(trainFile, y, enumCols=enumCols)
nrounds=ntrees
nativeModel = xgb.train(params=nativeParam, dtrain=nativeTrain, num_boost_round=nrounds)
modelInfo = nativeModel.get_dump()
print(modelInfo)
print("num_boost_round: {1}, Number of trees built: {0}".format(len(modelInfo), nrounds))
nativeTrainTime = time.time()-time1
time1=time.time()
nativePred = nativeModel.predict(data=nativeTrain, ntree_limit=ntrees)
nativeScoreTime = time.time()-time1
pyunit_utils.summarizeResult_regression(h2oPredictD, nativePred, h2oTrainTimeD, nativeTrainTime, h2oPredictTimeD,
nativeScoreTime, tolerance=testTol)
else:
print("******** Test skipped. This test cannot be performed in multinode environment.")