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/**
* Copyright (C) Mellanox Technologies Ltd. 2001-2016. ALL RIGHTS RESERVED.
*
* See file LICENSE for terms.
*/
#include "ucp_test.h"
class test_ucp_fence : public ucp_test {
public:
typedef void (test_ucp_fence::* send_func_t)(entity *e, uint64_t *initial_buf,
uint64_t *result_buf, void *memheap_addr,
ucp_rkey_h rkey);
static void send_cb(void *request, ucs_status_t status)
{
}
template <typename T>
void blocking_add(entity *e, uint64_t *initial_buf, uint64_t *result_buf,
void *memheap_addr, ucp_rkey_h rkey) {
ucs_status_t status = ucp_atomic_post(e->ep(), UCP_ATOMIC_POST_OP_ADD,
*initial_buf, sizeof(T),
(uintptr_t)memheap_addr, rkey);
ASSERT_UCS_OK(status);
}
template <typename T>
void blocking_fadd(entity *e, uint64_t *initial_buf, uint64_t *result_buf,
void *memheap_addr, ucp_rkey_h rkey)
{
void *request = ucp_atomic_fetch_nb(e->ep(), UCP_ATOMIC_FETCH_OP_FADD,
*initial_buf, (T*)result_buf, sizeof(T),
(uintptr_t)memheap_addr, rkey, send_cb);
request_wait(request);
}
template <typename T, typename F>
void test(F f1, F f2) {
test_fence(static_cast<send_func_t>(f1),
static_cast<send_func_t>(f2), sizeof(T));
}
class worker {
public:
worker(test_ucp_fence* test, send_func_t send1, send_func_t send2,
entity* entity, ucp_rkey_h rkey, void *memheap_ptr,
uint64_t initial_value, uint32_t* error):
test(test), value(initial_value), result(0), error(error),
running(true), m_rkey(rkey), m_memheap(memheap_ptr),
m_send_1(send1), m_send_2(send2), m_entity(entity) {
pthread_create(&m_thread, NULL, run, reinterpret_cast<void*>(this));
}
~worker() {
assert(!running);
}
static void *run(void *arg) {
worker *self = reinterpret_cast<worker*>(arg);
self->run();
return NULL;
}
void join() {
void *retval;
pthread_join(m_thread, &retval);
running = false;
}
test_ucp_fence* const test;
uint64_t value, result;
uint32_t* error;
bool running;
private:
void run() {
uint64_t zero = 0;
for (int i = 0; i < 500 / ucs::test_time_multiplier(); i++) {
(test->*m_send_1)(m_entity, &value, &result,
m_memheap, m_rkey);
m_entity->fence();
(test->*m_send_2)(m_entity, &zero, &result,
m_memheap, m_rkey);
test->flush_worker(*m_entity);
if (result != (uint64_t)(i+1))
(*error)++;
result = 0; /* reset for the next loop */
}
}
ucp_rkey_h m_rkey;
void *m_memheap;
send_func_t m_send_1, m_send_2;
entity* m_entity;
pthread_t m_thread;
};
void run_workers(send_func_t send1, send_func_t send2, entity* sender,
ucp_rkey_h rkey, void *memheap_ptr,
uint64_t initial_value, uint32_t* error) {
ucs::ptr_vector<worker> m_workers;
m_workers.clear();
m_workers.push_back(new worker(this, send1, send2, sender, rkey,
memheap_ptr, initial_value, error));
m_workers.at(0).join();
m_workers.clear();
}
protected:
void test_fence(send_func_t send1, send_func_t send2, size_t alignment) {
static const size_t memheap_size = sizeof(uint64_t);
uint32_t error = 0;
sender().connect(&receiver(), get_ep_params());
flush_worker(sender()); /* avoid deadlock for blocking amo */
mapped_buffer buffer(memheap_size, receiver(), 0);
EXPECT_LE(memheap_size, buffer.size());
memset(buffer.ptr(), 0, memheap_size);
run_workers(send1, send2, &sender(), buffer.rkey(sender()),
buffer.ptr(), 1, &error);
EXPECT_EQ(error, (uint32_t)0);
disconnect(sender());
disconnect(receiver());
}
};
class test_ucp_fence32 : public test_ucp_fence {
public:
static void get_test_variants(std::vector<ucp_test_variant>& variants) {
add_variant(variants, UCP_FEATURE_AMO32);
}
};
UCS_TEST_P(test_ucp_fence32, atomic_add_fadd) {
test<uint32_t>(&test_ucp_fence32::blocking_add<uint32_t>,
&test_ucp_fence32::blocking_fadd<uint32_t>);
}
UCP_INSTANTIATE_TEST_CASE(test_ucp_fence32)
class test_ucp_fence64 : public test_ucp_fence {
public:
static void get_test_variants(std::vector<ucp_test_variant>& variants) {
add_variant(variants, UCP_FEATURE_AMO64);
}
};
UCS_TEST_P(test_ucp_fence64, atomic_add_fadd) {
test<uint64_t>(&test_ucp_fence64::blocking_add<uint64_t>,
&test_ucp_fence64::blocking_fadd<uint64_t>);
}
UCP_INSTANTIATE_TEST_CASE(test_ucp_fence64)
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