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Add tests for memspace "lowest latency"
Those tests are skipped with GTEST_SKIP() when latency property can't be queried (HMAT is not supported on the platform).
1 parent 0d4479b commit 94afa6a

9 files changed

+289
-196
lines changed

‎test/CMakeLists.txt

Lines changed: 8 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -162,23 +162,27 @@ if(LINUX) # OS-specific functions are implemented only for Linux now
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add_umf_test(
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NAME memspace_numa
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SRCS memspaces/memspace_numa.cpp
165-
LIBS ${LIBNUMA_LIBRARIES})
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LIBS ${LIBNUMA_LIBRARIES} ${LIBHWLOC_LIBRARIES})
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add_umf_test(
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NAME provider_os_memory_config
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SRCS provider_os_memory_config.cpp
169-
LIBS ${UMF_UTILS_FOR_TEST} ${LIBNUMA_LIBRARIES})
169+
LIBS ${UMF_UTILS_FOR_TEST} ${LIBNUMA_LIBRARIES} ${LIBHWLOC_LIBRARIES})
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add_umf_test(
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NAME memspace_host_all
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SRCS memspaces/memspace_host_all.cpp
173-
LIBS ${UMF_UTILS_FOR_TEST} ${LIBNUMA_LIBRARIES})
173+
LIBS ${UMF_UTILS_FOR_TEST} ${LIBNUMA_LIBRARIES} ${LIBHWLOC_LIBRARIES})
174174
add_umf_test(
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NAME memspace_highest_capacity
176176
SRCS memspaces/memspace_highest_capacity.cpp
177-
LIBS ${UMF_UTILS_FOR_TEST} ${LIBNUMA_LIBRARIES})
177+
LIBS ${UMF_UTILS_FOR_TEST} ${LIBNUMA_LIBRARIES} ${LIBHWLOC_LIBRARIES})
178178
add_umf_test(
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NAME memspace_highest_bandwidth
180180
SRCS memspaces/memspace_highest_bandwidth.cpp
181181
LIBS ${UMF_UTILS_FOR_TEST} ${LIBNUMA_LIBRARIES} ${LIBHWLOC_LIBRARIES})
182+
add_umf_test(
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NAME memspace_lowest_latency
184+
SRCS memspaces/memspace_lowest_latency.cpp
185+
LIBS ${UMF_UTILS_FOR_TEST} ${LIBNUMA_LIBRARIES} ${LIBHWLOC_LIBRARIES})
182186
add_umf_test(
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NAME mempolicy
184188
SRCS memspaces/mempolicy.cpp

‎test/memspaces/memspace_fixtures.hpp

Lines changed: 221 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,221 @@
1+
// Copyright (C) 2024 Intel Corporation
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// Under the Apache License v2.0 with LLVM Exceptions. See LICENSE.TXT.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#ifndef UMF_MEMSPACE_FIXTURES_HPP
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#define UMF_MEMSPACE_FIXTURES_HPP
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#include "base.hpp"
9+
#include "memspace_helpers.hpp"
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#include "test_helpers.h"
11+
12+
#include <hwloc.h>
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#include <numa.h>
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#include <numaif.h>
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#include <thread>
16+
#include <umf/memspace.h>
17+
18+
#define SIZE_4K (4096UL)
19+
#define SIZE_4M (SIZE_4K * 1024UL)
20+
21+
// In HWLOC v2.3.0, the 'hwloc_location_type_e' enum is defined inside an
22+
// 'hwloc_location' struct. In newer versions, this enum is defined globally.
23+
// To prevent compile errors in C++ tests related this scope change
24+
// 'hwloc_location_type_e' has been aliased.
25+
using hwloc_location_type_alias = decltype(hwloc_location::type);
26+
27+
struct numaNodesTest : ::umf_test::test {
28+
void SetUp() override {
29+
::umf_test::test::SetUp();
30+
31+
if (numa_available() == -1 || numa_all_nodes_ptr == nullptr) {
32+
GTEST_FAIL() << "Failed to initialize libnuma";
33+
}
34+
35+
int maxNode = numa_max_node();
36+
if (maxNode < 0) {
37+
GTEST_FAIL() << "No available numa nodes";
38+
}
39+
40+
for (int i = 0; i <= maxNode; i++) {
41+
if (numa_bitmask_isbitset(numa_all_nodes_ptr, i)) {
42+
nodeIds.emplace_back(i);
43+
maxNodeId = i;
44+
}
45+
}
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}
47+
48+
std::vector<unsigned> nodeIds;
49+
unsigned long maxNodeId = 0;
50+
};
51+
52+
using isQuerySupportedFunc = bool (*)(size_t);
53+
using memspaceGetFunc = umf_memspace_handle_t (*)();
54+
using memspaceGetParams = std::tuple<isQuerySupportedFunc, memspaceGetFunc>;
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struct memspaceGetTest : ::numaNodesTest,
57+
::testing::WithParamInterface<memspaceGetParams> {
58+
void SetUp() override {
59+
::numaNodesTest::SetUp();
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auto [isQuerySupported, memspaceGet] = this->GetParam();
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if (!isQuerySupported(nodeIds.front())) {
64+
GTEST_SKIP();
65+
}
66+
67+
hMemspace = memspaceGet();
68+
ASSERT_NE(hMemspace, nullptr);
69+
}
70+
71+
umf_memspace_handle_t hMemspace = nullptr;
72+
};
73+
74+
struct memspaceProviderTest : ::memspaceGetTest {
75+
void SetUp() override {
76+
::memspaceGetTest::SetUp();
77+
78+
if (::memspaceGetTest::IsSkipped()) {
79+
GTEST_SKIP();
80+
}
81+
82+
umf_result_t ret =
83+
umfMemoryProviderCreateFromMemspace(hMemspace, nullptr, &hProvider);
84+
ASSERT_EQ(ret, UMF_RESULT_SUCCESS);
85+
ASSERT_NE(hProvider, nullptr);
86+
}
87+
88+
void TearDown() override {
89+
::memspaceGetTest::TearDown();
90+
91+
if (hProvider) {
92+
umfMemoryProviderDestroy(hProvider);
93+
}
94+
}
95+
96+
umf_memory_provider_handle_t hProvider = nullptr;
97+
};
98+
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GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(memspaceGetTest);
100+
GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(memspaceProviderTest);
101+
102+
TEST_P(memspaceGetTest, providerFromMemspace) {
103+
umf_memory_provider_handle_t hProvider = nullptr;
104+
umf_result_t ret =
105+
umfMemoryProviderCreateFromMemspace(hMemspace, nullptr, &hProvider);
106+
UT_ASSERTeq(ret, UMF_RESULT_SUCCESS);
107+
UT_ASSERTne(hProvider, nullptr);
108+
109+
umfMemoryProviderDestroy(hProvider);
110+
}
111+
112+
TEST_P(memspaceProviderTest, allocFree) {
113+
void *ptr = nullptr;
114+
size_t size = SIZE_4K;
115+
size_t alignment = 0;
116+
117+
umf_result_t ret = umfMemoryProviderAlloc(hProvider, size, alignment, &ptr);
118+
UT_ASSERTeq(ret, UMF_RESULT_SUCCESS);
119+
UT_ASSERTne(ptr, nullptr);
120+
121+
// Access the allocation, so that all the pages associated with it are
122+
// allocated on some NUMA node.
123+
memset(ptr, 0xFF, size);
124+
125+
ret = umfMemoryProviderFree(hProvider, ptr, size);
126+
UT_ASSERTeq(ret, UMF_RESULT_SUCCESS);
127+
}
128+
129+
static std::vector<int> getAllCpus() {
130+
std::vector<int> allCpus;
131+
for (int i = 0; i < numa_num_possible_cpus(); ++i) {
132+
if (numa_bitmask_isbitset(numa_all_cpus_ptr, i)) {
133+
allCpus.push_back(i);
134+
}
135+
}
136+
137+
return allCpus;
138+
}
139+
140+
#define MAX_NODES 512
141+
142+
TEST_P(memspaceProviderTest, allocLocalMt) {
143+
auto pinAllocValidate = [&](umf_memory_provider_handle_t hProvider,
144+
int cpu) {
145+
hwloc_topology_t topology = NULL;
146+
UT_ASSERTeq(hwloc_topology_init(&topology), 0);
147+
UT_ASSERTeq(hwloc_topology_load(topology), 0);
148+
149+
// Pin current thread to the provided CPU.
150+
hwloc_cpuset_t pinCpuset = hwloc_bitmap_alloc();
151+
UT_ASSERTeq(hwloc_bitmap_set(pinCpuset, cpu), 0);
152+
UT_ASSERTeq(
153+
hwloc_set_cpubind(topology, pinCpuset, HWLOC_CPUBIND_THREAD), 0);
154+
155+
// Confirm that the thread is pinned to the provided CPU.
156+
hwloc_cpuset_t curCpuset = hwloc_bitmap_alloc();
157+
UT_ASSERTeq(
158+
hwloc_get_cpubind(topology, curCpuset, HWLOC_CPUBIND_THREAD), 0);
159+
UT_ASSERT(hwloc_bitmap_isequal(curCpuset, pinCpuset));
160+
hwloc_bitmap_free(curCpuset);
161+
hwloc_bitmap_free(pinCpuset);
162+
163+
// Allocate some memory.
164+
const size_t size = SIZE_4K;
165+
const size_t alignment = 0;
166+
void *ptr = nullptr;
167+
168+
umf_result_t ret =
169+
umfMemoryProviderAlloc(hProvider, size, alignment, &ptr);
170+
UT_ASSERTeq(ret, UMF_RESULT_SUCCESS);
171+
UT_ASSERTne(ptr, nullptr);
172+
173+
// Access the allocation, so that all the pages associated with it are
174+
// allocated on some NUMA node.
175+
memset(ptr, 0xFF, size);
176+
177+
// Get the NUMA node responsible for this allocation.
178+
int mode = -1;
179+
std::vector<size_t> boundNodeIds;
180+
size_t allocNodeId = SIZE_MAX;
181+
getAllocationPolicy(ptr, maxNodeId, mode, boundNodeIds, allocNodeId);
182+
183+
// Get the CPUs associated with the specified NUMA node.
184+
hwloc_obj_t allocNodeObj =
185+
hwloc_get_obj_by_type(topology, HWLOC_OBJ_NUMANODE, allocNodeId);
186+
187+
unsigned nNodes = MAX_NODES;
188+
std::vector<hwloc_obj_t> localNodes(MAX_NODES);
189+
hwloc_location loc;
190+
loc.location.object = allocNodeObj,
191+
loc.type = hwloc_location_type_alias::HWLOC_LOCATION_TYPE_OBJECT;
192+
UT_ASSERTeq(hwloc_get_local_numanode_objs(topology, &loc, &nNodes,
193+
localNodes.data(), 0),
194+
0);
195+
UT_ASSERT(nNodes <= MAX_NODES);
196+
197+
// Confirm that the allocation from this thread was made to a local
198+
// NUMA node.
199+
UT_ASSERT(std::any_of(localNodes.begin(), localNodes.end(),
200+
[&allocNodeObj](hwloc_obj_t node) {
201+
return node == allocNodeObj;
202+
}));
203+
204+
ret = umfMemoryProviderFree(hProvider, ptr, size);
205+
UT_ASSERTeq(ret, UMF_RESULT_SUCCESS);
206+
207+
hwloc_topology_destroy(topology);
208+
};
209+
210+
const auto cpus = getAllCpus();
211+
std::vector<std::thread> threads;
212+
for (auto cpu : cpus) {
213+
threads.emplace_back(pinAllocValidate, hProvider, cpu);
214+
}
215+
216+
for (auto &thread : threads) {
217+
thread.join();
218+
}
219+
}
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221+
#endif /* UMF_MEMSPACE_FIXTURES_HPP */

‎test/memspaces/memspace_helpers.hpp

Lines changed: 0 additions & 25 deletions
Original file line numberDiff line numberDiff line change
@@ -17,31 +17,6 @@
1717
#define SIZE_4K (4096UL)
1818
#define SIZE_4M (SIZE_4K * 1024UL)
1919

20-
struct numaNodesTest : ::umf_test::test {
21-
void SetUp() override {
22-
::umf_test::test::SetUp();
23-
24-
if (numa_available() == -1 || numa_all_nodes_ptr == nullptr) {
25-
GTEST_FAIL() << "Failed to initialize libnuma";
26-
}
27-
28-
int maxNode = numa_max_node();
29-
if (maxNode < 0) {
30-
GTEST_FAIL() << "No available numa nodes";
31-
}
32-
33-
for (int i = 0; i <= maxNode; i++) {
34-
if (numa_bitmask_isbitset(numa_all_nodes_ptr, i)) {
35-
nodeIds.emplace_back(i);
36-
maxNodeId = i;
37-
}
38-
}
39-
}
40-
41-
std::vector<unsigned> nodeIds;
42-
unsigned long maxNodeId = 0;
43-
};
44-
4520
///
4621
/// @brief Retrieves the memory policy information for \p ptr.
4722
/// @param ptr allocation pointer.

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