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Added test_metric_perf.py as a separate file
- Output of the benchmark is sent to stderr - random is seeded - nd.wait_all() used before starting timing and before ending timing - Added batch-size values of 16, 64, 256, and 1024 - Datasize varies by number of output channels to keep total runtime down to a few minutes
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Sina Afrooze
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Mar 13, 2018
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# Licensed to the Apache Software Foundation (ASF) under one | ||
# or more contributor license agreements. See the NOTICE file | ||
# distributed with this work for additional information | ||
# regarding copyright ownership. The ASF licenses this file | ||
# to you under the Apache License, Version 2.0 (the | ||
# "License"); you may not use this file except in compliance | ||
# with the License. You may obtain a copy of the License at | ||
# | ||
# http://www.apache.org/licenses/LICENSE-2.0 | ||
# | ||
# Unless required by applicable law or agreed to in writing, | ||
# software distributed under the License is distributed on an | ||
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
# KIND, either express or implied. See the License for the | ||
# specific language governing permissions and limitations | ||
# under the License. | ||
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from __future__ import print_function | ||
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import itertools | ||
import mxnet as mx | ||
import sys | ||
import time | ||
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class MetricDataGen(object): | ||
""" Base class for generating random data for metric benchmarking """ | ||
def __init__(self, n, c, pred_ctx, label_ctx): | ||
self.n = n | ||
self.c = c | ||
self.pred_ctx = pred_ctx | ||
self.label_ctx = label_ctx | ||
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def data(self): | ||
mx.random.seed(0) | ||
pred = mx.nd.random_uniform(0.0, 1.0, (self.n, self.c), ctx=self.pred_ctx) | ||
label = mx.nd.random_uniform(0.0, self.c - 1, (self.n,), ctx=self.label_ctx).round() | ||
return label, pred | ||
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@property | ||
def batch_size(self): | ||
return self.n | ||
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@property | ||
def output_dim(self): | ||
return self.c | ||
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class F1MetricDataGen(MetricDataGen): | ||
""" Class for generating random data for F1 metric benchmarking """ | ||
def __init__(self, n, c, pred_ctx, label_ctx): | ||
super(F1MetricDataGen, self).__init__(n, 2, pred_ctx, label_ctx) | ||
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class PearsonMetricDataGen(MetricDataGen): | ||
""" Class for generating random data for Pearson Correlation metric benchmarking """ | ||
def __init__(self, n, c, pred_ctx, label_ctx): | ||
super(PearsonMetricDataGen, self).__init__(n, c, pred_ctx, label_ctx) | ||
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def data(self): | ||
mx.random.seed(0) | ||
pred = mx.nd.random_uniform(0.0, 1.0, (self.n, self.c), ctx=self.pred_ctx) | ||
label = mx.nd.random_uniform(0.0, 1.0, (self.n, self.c), ctx=self.label_ctx) | ||
return label, pred | ||
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def run_metric(name, data_gen_cls, i, n, c, pred_ctx, label_ctx, **kwargs): | ||
""" Helper function for running one metric benchmark """ | ||
metric = mx.metric.create(name, **kwargs) | ||
data_gen = data_gen_cls(n, c, pred_ctx, label_ctx) | ||
try: | ||
label, pred = data_gen.data() | ||
mx.nd.waitall() | ||
before = time.time() | ||
metric.update([label] * i, [pred] * i) | ||
mx.nd.waitall() | ||
elapsed = time.time() - before | ||
elapsed_str = "{:<.5}".format(elapsed) | ||
except mx.MXNetError: | ||
elapsed_str = "FAILED" | ||
print("{metric:<15}{pctx:<10}{lctx:<12}{niter:<12}{bs:<15}{out_dim:<15}{elapsed:<}".format( | ||
metric=name, pctx=str(pred_ctx), lctx=str(label_ctx), niter=i * n, bs=data_gen.batch_size, | ||
out_dim=data_gen.output_dim, elapsed=elapsed_str), file=sys.stderr) | ||
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def test_metric_performance(): | ||
""" unittest entry for metric performance benchmarking """ | ||
# Each dictionary entry is (metric_name:(kwargs, DataGenClass)) | ||
metrics = [ | ||
('acc', ({}, MetricDataGen)), | ||
('top_k_acc', ({'top_k': 5}, MetricDataGen)), | ||
('F1', ({}, F1MetricDataGen)), | ||
('Perplexity', ({'ignore_label': -1}, MetricDataGen)), | ||
('MAE', ({}, MetricDataGen)), | ||
('MSE', ({}, MetricDataGen)), | ||
('RMSE', ({}, MetricDataGen)), | ||
('ce', ({}, MetricDataGen)), | ||
('nll_loss', ({}, MetricDataGen)), | ||
('pearsonr', ({}, PearsonMetricDataGen)), | ||
] | ||
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data_size = 1024 * 128 | ||
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batch_sizes = [16, 64, 256, 1024] | ||
output_dims = [128, 1024, 8192] | ||
ctxs = [mx.cpu(), mx.gpu()] | ||
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print("\nmx.metric benchmarks", file=sys.stderr) | ||
print( | ||
"{:15}{:10}{:12}{:12}{:15}{:15}{}".format( | ||
'Metric', 'Data-Ctx', 'Label-Ctx', 'Data Size', 'Batch Size', 'Output Dim', 'Elapsed Time'), | ||
file=sys.stderr) | ||
print("{:-^90}".format(''), file=sys.stderr) | ||
for k, v in metrics: | ||
for c in output_dims: | ||
for n in batch_sizes: | ||
for pred_ctx, label_ctx in itertools.product(ctxs, ctxs): | ||
run_metric(k, v[1], (data_size * 128)//(n * c), n, c, pred_ctx, label_ctx, **v[0]) | ||
print("{:-^90}".format(''), file=sys.stderr) | ||
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if __name__ == '__main__': | ||
import nose | ||
nose.runmodule() |