mirror of
https://github.com/ml-explore/mlx.git
synced 2025-10-31 16:21:27 +08:00
40c62c1321
* use int64 stride everywhere * fix ext * fix ext * more shape + cleanup * one more * few more
111 lines
2.8 KiB
C++
111 lines
2.8 KiB
C++
// Copyright © 2023 Apple Inc.
|
|
|
|
#include <numeric>
|
|
|
|
#include "doctest/doctest.h"
|
|
|
|
#include "mlx/mlx.h"
|
|
|
|
using namespace mlx::core;
|
|
|
|
TEST_CASE("test matmul") {
|
|
auto a = array(1);
|
|
auto b = array({1.0});
|
|
CHECK_THROWS_AS(matmul(a, b), std::invalid_argument);
|
|
|
|
a = array({1.0});
|
|
b = array({1.0});
|
|
auto out = matmul(a, b);
|
|
CHECK_EQ(out.shape(), Shape{});
|
|
CHECK_EQ(out.size(), 1);
|
|
CHECK_EQ(out.dtype(), float32);
|
|
CHECK_EQ(out.item<float>(), 1.0f);
|
|
|
|
a = ones({2, 4});
|
|
b = ones({2});
|
|
CHECK_THROWS_AS(matmul(a, b), std::invalid_argument);
|
|
|
|
a = ones({2, 4});
|
|
b = ones({3, 2});
|
|
CHECK_THROWS_AS(matmul(a, b), std::invalid_argument);
|
|
|
|
a = ones({2, 4});
|
|
b = ones({4, 3, 2});
|
|
CHECK_THROWS_AS(matmul(a, b), std::invalid_argument);
|
|
|
|
a = ones({2});
|
|
b = ones({4, 2});
|
|
CHECK_THROWS_AS(matmul(a, b), std::invalid_argument);
|
|
|
|
a = ones({2, 3});
|
|
b = ones({4, 2});
|
|
CHECK_THROWS_AS(matmul(a, b), std::invalid_argument);
|
|
|
|
a = ones({2, 4, 3});
|
|
b = ones({4, 2});
|
|
CHECK_THROWS_AS(matmul(a, b), std::invalid_argument);
|
|
|
|
a = ones({2, 4});
|
|
b = ones({4, 2});
|
|
out = matmul(a, b);
|
|
CHECK(array_equal(out, full({2, 2}, 4.0f)).item<bool>());
|
|
|
|
a = ones({2, 4}, int32);
|
|
b = ones({4, 2}, float32);
|
|
out = matmul(a, b);
|
|
CHECK(array_equal(out, full({2, 2}, 4.0f)).item<bool>());
|
|
|
|
// Check single dimensions
|
|
a = ones({4});
|
|
b = ones({4, 2});
|
|
out = matmul(a, b);
|
|
CHECK(array_equal(out, full({2}, 4.0f)).item<bool>());
|
|
|
|
a = ones({2, 4});
|
|
b = ones({4});
|
|
out = matmul(a, b);
|
|
CHECK(array_equal(out, full({2}, 4.0f)).item<bool>());
|
|
|
|
a = ones({4});
|
|
b = ones({4});
|
|
out = matmul(a, b);
|
|
CHECK(array_equal(out, full({}, 4.0f)).item<bool>());
|
|
|
|
// Test transposed arrays
|
|
a = array({1.0f, 1.0f, 1.0f, 1.0f}, {1, 4});
|
|
b = array({1.0f, 1.0f, 1.0f, 1.0f}, {4, 1});
|
|
out = matmul(transpose(a), transpose(b));
|
|
CHECK(array_equal(out, ones({4, 4})).item<bool>());
|
|
|
|
a = array({1.0f, 2.0f, 3.0f, 4.0f}, {2, 2});
|
|
b = array({1.0f, 2.0f, 1.0f, 2.0f}, {2, 2});
|
|
out = matmul(transpose(a), b);
|
|
CHECK(
|
|
array_equal(out, array({4.0f, 8.0f, 6.0f, 12.0f}, {2, 2})).item<bool>());
|
|
|
|
out = matmul(a, transpose(b));
|
|
CHECK(
|
|
array_equal(out, array({5.0f, 5.0f, 11.0f, 11.0f}, {2, 2})).item<bool>());
|
|
|
|
out = matmul(transpose(a), transpose(b));
|
|
CHECK(
|
|
array_equal(out, array({7.0f, 7.0f, 10.0f, 10.0f}, {2, 2})).item<bool>());
|
|
|
|
// Test broadcasting for both arrays
|
|
a = ones({5, 4, 2});
|
|
b = ones({2, 3});
|
|
out = matmul(a, b);
|
|
CHECK(array_equal(out, full({5, 4, 3}, 2.0f)).item<bool>());
|
|
|
|
a = ones({5, 1, 4, 2});
|
|
b = ones({1, 7, 2, 3});
|
|
out = matmul(a, b);
|
|
CHECK(array_equal(out, full({5, 7, 4, 3}, 2.0f)).item<bool>());
|
|
|
|
// Test batched matmul with transpose
|
|
a = ones({2, 2, 4});
|
|
b = ones({2, 4, 2});
|
|
out = matmul(transpose(a, {0, 2, 1}), transpose(b, {0, 2, 1}));
|
|
CHECK(array_equal(out, full({2, 4, 4}, 2.0f)).item<bool>());
|
|
}
|