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upd: improving the broadcasting ut.

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This commit is contained in:
mutouyun 2023-04-15 20:23:05 +08:00
parent 32585a39f3
commit 5578f48595
1 changed files with 110 additions and 45 deletions
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73
test/concur/test_concur_concurrent.cpp
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@ -122,12 +122,12 @@ void test_unicast(std::size_t np, std::size_t nc, std::size_t k) {
typename concur::traits<PC>::context ctx {};
for (;;) {
std::this_thread::yield();
std::uint64_t i;
while (!pc.dequeue(imp::make_span(circ), hdr, ctx, i)) {
std::uint64_t v;
while (!pc.dequeue(imp::make_span(circ), hdr, ctx, v)) {
if (running == 0) return;
std::this_thread::yield();
}
sum += i;
sum += v;
}
};
@ -170,7 +170,7 @@ namespace {
template <typename PC>
void test_broadcast(std::size_t np, std::size_t nc, std::size_t k) {
LIBIMP_LOG_();
{
concur::element<std::uint64_t> circ[32] {};
PC pc;
typename concur::traits<PC>::header hdr {imp::make_span(circ)};
@ -219,6 +219,71 @@ void test_broadcast(std::size_t np, std::size_t nc, std::size_t k) {
}
ASSERT_EQ(pop_one(), 123);
ASSERT_EQ(pop_one(), (std::uint64_t)-1);
}
log.info("\n\tStart with: ", imp::nameof<PC>(), ", ", np, " producers, ", nc, " consumers...");
{
struct Data {
std::uint64_t n;
std::uint64_t i;
};
concur::element<Data> circ[32] {};
PC pc;
typename concur::traits<PC>::header hdr {imp::make_span(circ)};
ASSERT_TRUE(hdr.valid());
constexpr static std::uint32_t loop_size = 100'0000;
std::atomic<std::uint64_t> sum {0};
std::atomic<std::size_t> running {np};
std::array<std::atomic<std::size_t>, 64> counters {};
auto prod_call = [&](std::size_t n) {
typename concur::traits<PC>::context ctx {};
for (std::uint32_t i = 1; i <= loop_size; ++i) {
std::this_thread::yield();
counters[n] = 0;
do {
ASSERT_TRUE(pc.enqueue(imp::make_span(circ), hdr, ctx, Data{n, i}));
std::this_thread::yield();
// We need to wait for the consumer to consume the data.
} while (counters[n] < nc);
if (i % (loop_size / 10) == 0) {
log.info("[", n, "] put count: ", i);
}
}
--running;
};
auto cons_call = [&] {
typename concur::traits<PC>::context ctx {};
std::array<std::uint64_t, 64> last_i {};
for (;;) {
std::this_thread::yield();
Data v;
while (!pc.dequeue(imp::make_span(circ), hdr, ctx, v)) {
if (running == 0) return;
std::this_thread::yield();
}
// The v.i variable always increases.
if (last_i[v.n] >= v.i) {
continue;
}
last_i[v.n] = v.i;
sum += v.i;
++counters[v.n];
}
};
std::vector<std::thread> prods(np);
for (std::size_t n = 0; n < np; ++n) prods[n] = std::thread(prod_call, n);
std::vector<std::thread> conss(nc);
for (auto &c : conss) c = std::thread(cons_call);
for (auto &p : prods) p.join();
for (auto &c : conss) c.join();
EXPECT_EQ(sum, k * np * (loop_size * std::uint64_t(loop_size + 1)) / 2);
}
}
} // namespace