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test_cpp_cpu.cc
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test_cpp_cpu.cc
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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.
*
*************************************************************/
#include "gtest/gtest.h"
#include "singa/core/device.h"
#include "singa/proto/core.pb.h"
using singa::CppCPU;
using singa::Block;
TEST(CppCPU, Constructor) {
CppCPU dev;
EXPECT_EQ(-1, dev.id());
}
TEST(CppCPU, MemoryMallocFree) {
CppCPU dev;
Block* b = dev.NewBlock(4);
EXPECT_NE(nullptr, b);
EXPECT_EQ(4u, b->size());
dev.FreeBlock(b);
}
TEST(CppCPU, Exec) {
CppCPU dev;
Block* b = dev.NewBlock(4);
int x = 1, y =3, z = 0;
dev.Exec([x, y, &z](singa::Context *ctx) {
z = x + y;
}, {b}, {b}, false);
EXPECT_EQ(x + y, z);
dev.FreeBlock(b);
}
TEST(CppCPU, CopyData) {
CppCPU dev;
Block* b = dev.NewBlock(4);
char s[] = {'a', 'b', 'c', 'x'};
dev.CopyDataFromHostPtr(b, s, 4);
const char* bstr = static_cast<const char*>(b->data());
EXPECT_EQ('a', bstr[0]);
EXPECT_EQ('b', bstr[1]);
EXPECT_EQ('x', bstr[3]);
Block* c = dev.NewBlock(4);
dev.CopyDataToFrom(c, b, 4, singa::kHostToHost, 0, 0);
const char* cstr = static_cast<const char*>(c->data());
EXPECT_EQ('a', cstr[0]);
EXPECT_EQ('b', cstr[1]);
EXPECT_EQ('x', cstr[3]);
dev.FreeBlock(b);
dev.FreeBlock(c);
}