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#include "tensorflow/core/util/tensor_slice_set.h"
#include "tensorflow/core/platform/logging.h"
#include <gtest/gtest.h>
#include "tensorflow/core/public/status.h"
namespace tensorflow {
namespace checkpoint {
namespace {
// A simple test: we have a 2-d tensor of shape 4 X 5 that looks like this:
//
// 0 1 2 3 4
// 5 6 7 8 9
// 10 11 12 13 14
// 15 16 17 18 19
//
// We assume this is a row-major matrix.
//
// We store the tensor in a couple of slices and verify that we can recover all
// of them.
TEST(TensorSliceSetTest, QueryTwoD) {
TensorShape shape({4, 5});
TensorSliceSet tss(shape, DT_FLOAT);
// We store a few slices.
// Slice #1 is the top two rows:
// 0 1 2 3 4
// 5 6 7 8 9
// . . . . .
// . . . . .
const float src_1[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
TensorSlice slice_1 = TensorSlice::ParseOrDie("0,2:-");
TF_CHECK_OK(tss.Register(slice_1, "", src_1));
// Slice #2 is the bottom left corner
// . . . . .
// . . . . .
// 10 11 12 . .
// 15 16 17 . .
const float src_2[] = {10, 11, 12, 15, 16, 17};
TensorSlice slice_2 = TensorSlice::ParseOrDie("2,2:0,3");
TF_CHECK_OK(tss.Register(slice_2, "", src_2));
// Slice #3 is the bottom right corner
// . . . . .
// . . . . .
// . . . . .
// . . . 18 19
const float src_3[] = {18, 19};
TensorSlice slice_3 = TensorSlice::ParseOrDie("3,1:3,2");
TF_CHECK_OK(tss.Register(slice_3, "", src_3));
// Notice that we leave a hole in the tensor
// . . . . .
// . . . . .
// . . . (13) (14)
// . . . . .
// Now we query some of the slices
// Slice #1 is an exact match
// 0 1 2 3 4
// 5 6 7 8 9
// . . . . .
// . . . . .
{
TensorSlice s = TensorSlice::ParseOrDie("0,2:-");
float expected[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
float results[10];
EXPECT_TRUE(tss.Query(s, results));
for (int i = 0; i < 10; ++i) {
EXPECT_EQ(expected[i], results[i]);
}
}
// Slice #2 is a subset match
// . . . . .
// 5 6 7 8 9
// . . . . .
// . . . . .
{
TensorSlice s = TensorSlice::ParseOrDie("1,1:-");
float expected[] = {5, 6, 7, 8, 9};
float results[5];
EXPECT_TRUE(tss.Query(s, results));
for (int i = 0; i < 5; ++i) {
EXPECT_EQ(expected[i], results[i]);
}
}
// Slice #3 is a more complicated match: it needs the combination of a couple
// of slices
// . . . . .
// 5 6 7 . .
// 10 11 12 . .
// . . . . .
{
TensorSlice s = TensorSlice::ParseOrDie("1,2:0,3");
float expected[] = {5, 6, 7, 10, 11, 12};
float results[6];
EXPECT_TRUE(tss.Query(s, results));
for (int i = 0; i < 6; ++i) {
EXPECT_EQ(expected[i], results[i]);
}
}
// Slice #4 includes the hole and so there is no match
// . . . . .
// . . 7 8 9
// . . 12 13 14
// . . . . .
{
TensorSlice s = TensorSlice::ParseOrDie("1,2:2,3");
float results[6];
EXPECT_FALSE(tss.Query(s, results));
}
}
// Testing the meta version of the tensor slice set.
TEST(TensorSliceSetTest, QueryMetaTwoD) {
TensorShape shape({4, 5});
TensorSliceSet tss(shape, DT_INT32);
// We store a few slices.
// Slice #1 is the top two rows:
// 0 1 2 3 4
// 5 6 7 8 9
// . . . . .
// . . . . .
TensorSlice slice_1 = TensorSlice::ParseOrDie("0,2:-");
TF_CHECK_OK(tss.Register(slice_1, "slice_1", nullptr));
// Slice #2 is the bottom left corner
// . . . . .
// . . . . .
// 10 11 12 . .
// 15 16 17 . .
TensorSlice slice_2 = TensorSlice::ParseOrDie("2,2:0,3");
TF_CHECK_OK(tss.Register(slice_2, "slice_2", nullptr));
// Slice #3 is the bottom right corner
// . . . . .
// . . . . .
// . . . . .
// . . . 18 19
TensorSlice slice_3 = TensorSlice::ParseOrDie("3,1:3,2");
TF_CHECK_OK(tss.Register(slice_3, "slice_3", nullptr));
// Notice that we leave a hole in the tensor
// . . . . .
// . . . . .
// . . . (13) (14)
// . . . . .
// Now we query some of the slices
// Slice #1 is an exact match
// 0 1 2 3 4
// 5 6 7 8 9
// . . . . .
// . . . . .
// We just need slice_1 for this
{
TensorSlice s = TensorSlice::ParseOrDie("0,2:-");
std::vector<std::pair<TensorSlice, string>> results;
EXPECT_TRUE(tss.QueryMeta(s, &results));
EXPECT_EQ(1, results.size());
EXPECT_EQ("0,2:-", results[0].first.DebugString());
EXPECT_EQ("slice_1", results[0].second);
}
// Slice #2 is a subset match
// . . . . .
// 5 6 7 8 9
// . . . . .
// . . . . .
// We just need slice_1 for this
{
TensorSlice s = TensorSlice::ParseOrDie("1,1:-");
std::vector<std::pair<TensorSlice, string>> results;
EXPECT_TRUE(tss.QueryMeta(s, &results));
EXPECT_EQ(1, results.size());
EXPECT_EQ("0,2:-", results[0].first.DebugString());
EXPECT_EQ("slice_1", results[0].second);
}
// Slice #3 is a more complicated match: it needs the combination of a couple
// of slices
// . . . . .
// 5 6 7 . .
// 10 11 12 . .
// . . . . .
// We need both slice_1 and slice_2 for this.
{
TensorSlice s = TensorSlice::ParseOrDie("1,2:0,3");
std::vector<std::pair<TensorSlice, string>> results;
EXPECT_TRUE(tss.QueryMeta(s, &results));
EXPECT_EQ(2, results.size());
EXPECT_EQ("2,2:0,3", results[0].first.DebugString());
EXPECT_EQ("slice_2", results[0].second);
EXPECT_EQ("0,2:-", results[1].first.DebugString());
EXPECT_EQ("slice_1", results[1].second);
}
// Slice #4 includes the hole and so there is no match
// . . . . .
// . . 7 8 9
// . . 12 13 14
// . . . . .
{
TensorSlice s = TensorSlice::ParseOrDie("1,2:2,3");
std::vector<std::pair<TensorSlice, string>> results;
EXPECT_FALSE(tss.QueryMeta(s, &results));
EXPECT_EQ(0, results.size());
}
}
} // namespace
} // namespace checkpoint
} // namespace tensorflow
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