move c benchmarks in benchmarks subdir

1 files changed, 0 insertions, 165 deletions

diff --git a/bench_conprod.c b/bench_conprod.c
deleted file mode 100644
index 3b349ce..0000000
--- a/bench_conprod.c
+++ /dev/null
@@ -1,165 +0,0 @@
-#include <assert.h>
-#include <malloc.h>
-#include <pthread.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <semaphore.h>
-
-static size_t _rand() {
-	static __thread size_t seed = 123456789;
-	size_t a = 1103515245;
-	size_t c = 12345;
-	size_t m = 1 << 31;
-	seed = (a * seed + c) % m;
-		return seed;
-}
-
-typedef struct Store {
-	pthread_mutex_t mutex;
-	sem_t free;
-	sem_t avail;
-	int toconsum;
-	int pos;
-	void* ptrs[100];
-} Store;
-
-typedef struct ThreadArgs {
-	bool isconsumer;
-	Store* store;
-	int allocations;
-	int maxsize;
-} ThreadArgs;
-
-static void* malloc_then_write(size_t size) {
-	void* ptr = malloc(size);
-	// Write to ptr
-	*((char*)ptr) = '!';
-	return ptr;
-}
-
-static void read_then_free(void* ptr) {
-	// Read before free
-	char s __attribute__((unused)) = *((char*)ptr);
-	free(ptr);
-}
-static void* test_thread_func(void* arg) {
-	ThreadArgs* args = (ThreadArgs*)arg;
-	Store* store = args->store;
-
-	if (args->isconsumer)
-	{
-		while (__sync_sub_and_fetch(&store->toconsum, 1) > -1)
-		{
-			sem_wait(&store->avail);
-			pthread_mutex_lock(&store->mutex);
-			void* ptr = store->ptrs[store->pos];
-			store->pos--;
-			pthread_mutex_unlock(&store->mutex);
-			sem_post(&store->free);
-			read_then_free(ptr);
-		}
-	} else {
-		for (int i = 0; i < args->allocations; i++)
-		{
-			void* ptr = malloc_then_write((_rand() % args->maxsize) + 1);
-			sem_wait(&store->free);
-			pthread_mutex_lock(&store->mutex);
-			store->pos++;
-			store->ptrs[store->pos] = ptr;
-			pthread_mutex_unlock(&store->mutex);
-			sem_post(&store->avail);
-		}
-	}
-	
-	return NULL;
-}
-
-int main(int argc, char* argv[]) {
-	pthread_t* threads;
-	int nstores;
-	Store* stores;
-	int consumers;
-	int producers;
-	int num_threads;
-	int allocations;
-	int maxsize;
-	struct ThreadArgs* thread_args;
-
-	if (argc < 6) {
-		fprintf(stderr, "Usage: %s <num stores> <num consumers> <num producers> <num allocations> <max size>\n", argv[0]);
-		return 1;
-	}
-
-	nstores = atoi(argv[1]);
-	consumers = atoi(argv[2]);
-	if (nstores > consumers)
-	{
-		fprintf(stderr, "Only %d consumers but %d stores!\n", consumers, nstores);
-	}
-
-	producers = atoi(argv[3]);
-	if (nstores > producers)
-	{
-		fprintf(stderr, "Only %d producers but %d stores!\n", producers, nstores);
-	}
-
-	num_threads = consumers + producers;
-	allocations = atoi(argv[4]);
-	maxsize = atoi(argv[5]);
-
-	threads = (pthread_t*)malloc(num_threads * sizeof(pthread_t));
-	thread_args = (ThreadArgs*)malloc(num_threads * sizeof(ThreadArgs));
-	stores = (Store*)malloc(nstores * sizeof(Store));
-	if (threads == 0 || thread_args == 0 || stores == 0)
-	{
-		perror("malloc");
-		return 1;
-	}
-
-	// Init stores
-	for (int i = 0; i < nstores; i++)
-	{
-		stores[i].pos = -1;
-		if (0 != pthread_mutex_init(&stores[i].mutex, 0)) { perror("mutex_init"); return 1; }
-		if (0 != sem_init(&stores[i].free, 0, 100)) { perror("sem_init"); return 1; }
-		if (0 != sem_init(&stores[i].avail, 0, 0)) { perror("sem_init"); return 1; }
-	}
-
-	// Build up thread_args
-	for (int i = 0; i < num_threads; i++)
-	{
-		thread_args[i].store = &stores[i % nstores];
-		thread_args[i].maxsize = maxsize;
-		thread_args[i].allocations = allocations;
-
-		if ( i < producers) {
-			thread_args[i].isconsumer = false;
-			stores[i % nstores].toconsum += allocations;
-		} else
-			thread_args[i].isconsumer = true;
-	}
-
-	for (int i = 0; i < num_threads; i++) {
-		if (0 != pthread_create(&threads[i], NULL, test_thread_func, &thread_args[i])) {
-			perror("pthread_create");
-			return 1;
-		}
-	}
-
-	for (int i = 0; i < num_threads; i++) {
-		if (0 != pthread_join(threads[i], NULL)) {
-			perror("pthread_join");
-			return 1;
-		}
-	}
-
-	FILE* f = stdout;
-	if (argc == 7)
-		f = fopen(argv[6], "w");
-	malloc_info(0, f);
-	if (argc == 7)
-		fclose(f);
-
-	return 0;
-}