Thejaswi 85b2fb3eee [GPU-Plugin] Integration of a faster version of grow_gpu plugin into mainstream (#2360)
* Integrating a faster version of grow_gpu plugin
1. Removed the older files to reduce duplication
2. Moved all of the grow_gpu files under 'exact' folder
3. All of them are inside 'exact' namespace to avoid any conflicts
4. Fixed a bug in benchmark.py while running only 'grow_gpu' plugin
5. Added cub and googletest submodules to ease integration and unit-testing
6. Updates to CMakeLists.txt to directly build cuda objects into libxgboost

* Added support for building gpu plugins through make flow
1. updated makefile and config.mk to add right targets
2. added unit-tests for gpu exact plugin code

* 1. Added support for building gpu plugin using 'make' flow as well
2. Updated instructions for building and testing gpu plugin

* Fix travis-ci errors for PR#2360
1. lint errors on unit-tests
2. removed googletest, instead depended upon dmlc-core provide gtest cache

* Some more fixes to travis-ci lint failures PR#2360

* Added Rory's copyrights to the files containing code from both.

* updated copyright statement as per Rory's request

* moved the static datasets into a script to generate them at runtime

* 1. memory usage print when silent=0
2. tests/ and test/ folder organization
3. removal of the dependency of googletest for just building xgboost
4. coding style updates for .cuh as well

* Fixes for compilation warnings

* add cuda object files as well when JVM_BINDINGS=ON
2017-06-06 09:39:53 +12:00

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/*
* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
*
* Licensed 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.
*/
#include "gtest/gtest.h"
#include "../../src/exact/node.cuh"
namespace xgboost {
namespace tree {
namespace exact {
TEST(Split, Test) {
Split s;
EXPECT_FALSE(s.isSplittable(0.5f));
s.score = 1.f;
EXPECT_FALSE(s.isSplittable(0.5f));
s.index = 2;
EXPECT_TRUE(s.isSplittable(0.5f));
EXPECT_FALSE(s.isSplittable(1.5f));
}
TEST(Node, Test) {
Node<int16_t> n;
EXPECT_TRUE(n.isUnused());
EXPECT_FALSE(n.isLeaf());
EXPECT_TRUE(n.isDefaultLeft());
n.dir = RightDir;
EXPECT_TRUE(n.isUnused());
EXPECT_FALSE(n.isLeaf());
EXPECT_FALSE(n.isDefaultLeft());
n.id = 123;
EXPECT_FALSE(n.isUnused());
EXPECT_TRUE(n.isLeaf());
EXPECT_FALSE(n.isDefaultLeft());
n.score = 0.5f;
EXPECT_FALSE(n.isUnused());
EXPECT_FALSE(n.isLeaf());
EXPECT_FALSE(n.isDefaultLeft());
}
TEST(Segment, Test) {
Segment s;
EXPECT_FALSE(s.isValid());
s.start = 2;
EXPECT_FALSE(s.isValid());
s.end = 4;
EXPECT_TRUE(s.isValid());
}
} // namespace exact
} // namespace tree
} // namespace xgboost