machinarium: add examples/benchmark.c

examples/benchmark.c

@@ -0,0 +1,49 @@
+
+/*
+ * machinarium.
+ *
+ * Cooperative multitasking engine.
+*/
+
+/*
+ * This example shows fiber context switch (yield)
+ * performance done in one second.
+*/
+
+#include <machinarium.h>
+
+static int csw = 0;
+
+static void
+benchmark_worker(void *arg)
+{
+	machine_t machine = arg;
+	printf("worker started.\n");
+	while (machine_active(machine)) {
+		csw++;
+		machine_sleep(machine, 0);
+	}
+	printf("worker done.\n");
+}
+
+static void
+benchmark_runner(void *arg)
+{
+	machine_t machine = arg;
+	printf("benchmark started.\n");
+	machine_create_fiber(machine, benchmark_worker, machine);
+	machine_sleep(machine, 1000);
+	printf("done.\n");
+	printf("context switches %d in 1 sec.\n", csw);
+	machine_stop(machine);
+}
+
+int
+main(int argc, char *argv[])
+{
+	machine_t machine = machine_create();
+	machine_create_fiber(machine, benchmark_runner, machine);
+	machine_start(machine);
+	machine_free(machine);
+	return 0;
+}

examples/makefile

@@ -0,0 +1,11 @@
+CC         = gcc
+RM         = rm
+CFLAGS     = -I. -Wall -g -O0 -I../src
+LFLAGS_LIB = ../src/libmachinarium.a -pthread -lssl -lcrypto
+LFLAGS     = $(LFLAGS_LIB)
+EXAMPLES   = benchmark
+all: clean $(EXAMPLES)
+benchmark:
+	$(CC) $(CFLAGS) benchmark.c $(LFLAGS) -o benchmark
+clean:
+	$(RM) -f $(EXAMPLES)