Make test_threads more generic
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@ -10,88 +10,77 @@
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#include <vector>
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#include <stdio.h>
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#include <jemalloc/jemalloc.h>
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#include <windows.h>
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using std::vector;
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using std::thread;
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using std::uniform_int_distribution;
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using std::minstd_rand;
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#if NDEBUG && JEMALLOC_ISSUE_318_WORKAROUND
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extern "C" JEMALLOC_EXPORT void _malloc_thread_cleanup(void);
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static thread_local struct JeMallocThreadHelper {
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~JeMallocThreadHelper() {
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_malloc_thread_cleanup();
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}
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} tls_jemallocThreadHelper;
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#endif
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int test_threads()
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{
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je_malloc_conf = "narenas:3";
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int narenas = 0;
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size_t sz = sizeof(narenas);
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je_mallctl("opt.narenas", &narenas, &sz, NULL, 0);
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if (narenas != 3) {
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printf("Error: unexpected number of arenas: %d\n", narenas);
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return 1;
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}
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static const int sizes[] = { 7, 16, 32, 60, 91, 100, 120, 144, 169, 199, 255, 400, 670, 900, 917, 1025, 3333, 5190, 13131, 49192, 99999, 123123, 255265, 2333111 };
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static const int numSizes = (int)(sizeof(sizes) / sizeof(sizes[0]));
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vector<thread> workers;
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static const int numThreads = narenas + 1, numAllocsMax = 25, numIter1 = 50, numIter2 = 50;
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je_malloc_stats_print(NULL, NULL, NULL);
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je_malloc_conf = "narenas:3";
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int narenas = 0;
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size_t sz = sizeof(narenas);
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je_mallctl("opt.narenas", &narenas, &sz, NULL, 0);
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if (narenas != 3) {
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printf("Error: unexpected number of arenas: %d\n", narenas);
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return 1;
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}
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static const int sizes[] = { 7, 16, 32, 60, 91, 100, 120, 144, 169, 199, 255, 400, 670, 900, 917, 1025, 3333, 5190, 13131, 49192, 99999, 123123, 255265, 2333111 };
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static const int numSizes = (int)(sizeof(sizes) / sizeof(sizes[0]));
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vector<thread> workers;
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static const int numThreads = narenas + 1, numAllocsMax = 25, numIter1 = 50, numIter2 = 50;
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je_malloc_stats_print(NULL, NULL, NULL);
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size_t allocated1;
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size_t sz1 = sizeof(allocated1);
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je_mallctl("stats.active", &allocated1, &sz1, NULL, 0);
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printf("\nPress Enter to start threads...\n");
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getchar();
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printf("Starting %d threads x %d x %d iterations...\n", numThreads, numIter1, numIter2);
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for (int i = 0; i < numThreads; i++) {
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workers.emplace_back([tid=i]() {
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uniform_int_distribution<int> sizeDist(0, numSizes - 1);
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minstd_rand rnd(tid * 17);
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uint8_t* ptrs[numAllocsMax];
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int ptrsz[numAllocsMax];
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for (int i = 0; i < numIter1; ++i) {
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thread t([&]() {
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for (int i = 0; i < numIter2; ++i) {
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const int numAllocs = numAllocsMax - sizeDist(rnd);
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for (int j = 0; j < numAllocs; j += 64) {
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const int x = sizeDist(rnd);
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const int sz = sizes[x];
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ptrsz[j] = sz;
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ptrs[j] = (uint8_t*)je_malloc(sz);
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if (!ptrs[j]) {
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printf("Unable to allocate %d bytes in thread %d, iter %d, alloc %d. %d\n", sz, tid, i, j, x);
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exit(1);
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}
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for (int k = 0; k < sz; k++)
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ptrs[j][k] = tid + k;
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}
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for (int j = 0; j < numAllocs; j += 64) {
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for (int k = 0, sz = ptrsz[j]; k < sz; k++)
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if (ptrs[j][k] != (uint8_t)(tid + k)) {
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printf("Memory error in thread %d, iter %d, alloc %d @ %d : %02X!=%02X\n", tid, i, j, k, ptrs[j][k], (uint8_t)(tid + k));
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exit(1);
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}
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je_free(ptrs[j]);
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}
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}
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});
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t.join();
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}
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});
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}
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for (thread& t : workers) {
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t.join();
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}
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getchar();
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printf("Starting %d threads x %d x %d iterations...\n", numThreads, numIter1, numIter2);
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for (int i = 0; i < numThreads; i++) {
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workers.emplace_back([tid=i]() {
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uniform_int_distribution<int> sizeDist(0, numSizes - 1);
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minstd_rand rnd(tid * 17);
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uint8_t* ptrs[numAllocsMax];
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int ptrsz[numAllocsMax];
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for (int i = 0; i < numIter1; ++i) {
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thread t([&]() {
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for (int i = 0; i < numIter2; ++i) {
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const int numAllocs = numAllocsMax - sizeDist(rnd);
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for (int j = 0; j < numAllocs; j += 64) {
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const int x = sizeDist(rnd);
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const int sz = sizes[x];
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ptrsz[j] = sz;
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ptrs[j] = (uint8_t*)je_malloc(sz);
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if (!ptrs[j]) {
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printf("Unable to allocate %d bytes in thread %d, iter %d, alloc %d. %d\n", sz, tid, i, j, x);
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exit(1);
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}
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for (int k = 0; k < sz; k++)
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ptrs[j][k] = tid + k;
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}
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for (int j = 0; j < numAllocs; j += 64) {
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for (int k = 0, sz = ptrsz[j]; k < sz; k++)
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if (ptrs[j][k] != (uint8_t)(tid + k)) {
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printf("Memory error in thread %d, iter %d, alloc %d @ %d : %02X!=%02X\n", tid, i, j, k, ptrs[j][k], (uint8_t)(tid + k));
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exit(1);
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}
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je_free(ptrs[j]);
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}
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}
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});
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t.join();
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}
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});
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}
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for (thread& t : workers) {
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t.join();
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}
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je_malloc_stats_print(NULL, NULL, NULL);
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size_t allocated2;
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je_mallctl("stats.active", &allocated2, &sz1, NULL, 0);
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size_t leaked = allocated2 - allocated1;
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printf("\nDone. Leaked: %Id bytes\n", leaked);
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printf("\nDone. Leaked: %zd bytes\n", leaked);
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bool failed = leaked > 65536; // in case C++ runtime allocated something (e.g. iostream locale or facet)
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printf("\nTest %s!\n", (failed ? "FAILED" : "successful"));
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printf("\nPress Enter to continue...\n");
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