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| author |  Rasmus Munk Larsen <rmlarsen@google.com> | 2020-04-24 17:29:25 -0700 |
|---|---|---|
| committer | Rasmus Munk Larsen <rmlarsen@google.com> | 2020-04-28 16:12:47 +0000 |
| commit | ab773c7e914633ec4a3ee1f7cdea8b168d3bce1a (patch) | |
| tree | 5a82a3071e3c5de39e934ce144023c20f62b2de4 /unsupported/test/cxx11_tensor_expr.cpp | |
| parent | b47c7779937c1984b7cd2f1d2f8df33d67c396f7 (diff) | |
Extend support for Packet16b:
* Add ptranspose<*,4> to support matmul and add unit test for Matrix<bool> * Matrix<bool>
* work around a bug in slicing of Tensor<bool>.
* Add tensor tests
This speeds up matmul for boolean matrices by about 10x
name old time/op new time/op delta
BM_MatMul<bool>/8 267ns ± 0% 479ns ± 0% +79.25% (p=0.008 n=5+5)
BM_MatMul<bool>/32 6.42µs ± 0% 0.87µs ± 0% -86.50% (p=0.008 n=5+5)
BM_MatMul<bool>/64 43.3µs ± 0% 5.9µs ± 0% -86.42% (p=0.008 n=5+5)
BM_MatMul<bool>/128 315µs ± 0% 44µs ± 0% -85.98% (p=0.008 n=5+5)
BM_MatMul<bool>/256 2.41ms ± 0% 0.34ms ± 0% -85.68% (p=0.008 n=5+5)
BM_MatMul<bool>/512 18.8ms ± 0% 2.7ms ± 0% -85.53% (p=0.008 n=5+5)
BM_MatMul<bool>/1k 149ms ± 0% 22ms ± 0% -85.40% (p=0.008 n=5+5)
Diffstat (limited to 'unsupported/test/cxx11_tensor_expr.cpp')
| -rw-r--r-- | unsupported/test/cxx11_tensor_expr.cpp | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/unsupported/test/cxx11_tensor_expr.cpp b/unsupported/test/cxx11_tensor_expr.cpp index d56da28d8..6dc44996a 100644 --- a/unsupported/test/cxx11_tensor_expr.cpp +++ b/unsupported/test/cxx11_tensor_expr.cpp @@ -195,26 +195,23 @@ static void test_constants() static void test_boolean() { - Tensor<int, 1> vec(31); - std::iota(vec.data(), vec.data() + 31, 0); + const int kSize = 31; + Tensor<int, 1> vec(kSize); + std::iota(vec.data(), vec.data() + kSize, 0); // Test ||. Tensor<bool, 1> bool1 = vec < vec.constant(1) || vec > vec.constant(4); - VERIFY_IS_EQUAL(bool1[0], true); - VERIFY_IS_EQUAL(bool1[1], false); - VERIFY_IS_EQUAL(bool1[2], false); - VERIFY_IS_EQUAL(bool1[3], false); - VERIFY_IS_EQUAL(bool1[4], false); - VERIFY_IS_EQUAL(bool1[5], true); + for (int i = 0; i < kSize; ++i) { + bool expected = i < 1 || i > 4; + VERIFY_IS_EQUAL(bool1[i], expected); + } // Test &&, including cast of operand vec. Tensor<bool, 1> bool2 = vec.cast<bool>() && vec < vec.constant(4); - VERIFY_IS_EQUAL(bool2[0], false); - VERIFY_IS_EQUAL(bool2[1], true); - VERIFY_IS_EQUAL(bool2[2], true); - VERIFY_IS_EQUAL(bool2[3], true); - VERIFY_IS_EQUAL(bool2[4], false); - VERIFY_IS_EQUAL(bool2[5], false); + for (int i = 0; i < kSize; ++i) { + bool expected = bool(i) && i < 4; + VERIFY_IS_EQUAL(bool2[i], expected); + } // Compilation tests: // Test Tensor<bool> against results of cast or comparison; verifies that |