73 lines
1.9 KiB
C++
73 lines
1.9 KiB
C++
#include "common.h"
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constexpr size_t THREADS_NO = std::min(max_no_threads, 8);
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constexpr size_t key_range = 1e4;
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constexpr size_t op_per_thread = 1e5;
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constexpr size_t no_insert_for_one_delete = 1;
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// TODO: document the test
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// This test checks multiset.
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// Each thread removes random data. So removes are joint.
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// Calls of remove method are interleaved with insert calls which always
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// succeed.
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int main() {
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init_log();
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memory_check(THREADS_NO, [] {
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multiset_t skiplist;
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auto futures =
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run<std::vector<long>>(THREADS_NO, skiplist, [](auto acc, auto index) {
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auto rand = rand_gen(key_range);
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auto rand_op = rand_gen_bool(no_insert_for_one_delete);
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long long downcount = op_per_thread;
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std::vector<long> set(key_range, 0);
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do {
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size_t num = rand();
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if (rand_op()) {
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if (acc.remove(num)) {
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downcount--;
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set[num]--;
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}
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} else {
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acc.insert(num);
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downcount--;
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set[num]++;
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}
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} while (downcount > 0);
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return set;
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});
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long set[key_range] = {0};
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for (auto &data : collect(futures)) {
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for (int i = 0; i < key_range; i++) {
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set[i] += data.second[i];
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}
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}
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auto accessor = skiplist.access();
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for (int i = 0; i < key_range; i++) {
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auto it = accessor.find(i);
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if (set[i] > 0) {
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for (int j = 0; j < set[i]; j++) {
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permanent_assert(it == i,
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"Iterator doesn't iterate through same key entrys");
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it++;
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}
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}
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permanent_assert(it == accessor.end() || it != i,
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"There is more data than it should be.");
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}
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for (auto &e : accessor) {
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set[e]--;
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}
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check_zero(key_range, set, "MultiSet");
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});
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}
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