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-rw-r--r--libdimension/bench/future.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/libdimension/bench/future.c b/libdimension/bench/future.c
index 7b199c7..815def1 100644
--- a/libdimension/bench/future.c
+++ b/libdimension/bench/future.c
@@ -1,5 +1,5 @@
/*************************************************************************
- * Copyright (C) 2009-2013 Tavian Barnes <tavianator@tavianator.com> *
+ * Copyright (C) 2013 Tavian Barnes <tavianator@tavianator.com> *
* *
* This file is part of The Dimension Benchmark Suite. *
* *
@@ -38,11 +38,22 @@ dmnsn_bench_future(void *ptr, unsigned int thread, unsigned int nthreads)
static int
dmnsn_bench_thread(void *ptr)
{
- size_t nthreads = 2*dmnsn_ncpus();
-
dmnsn_future *future = (dmnsn_future *)ptr;
+ size_t nthreads = 2*dmnsn_ncpus();
dmnsn_future_set_total(future, nthreads*ITERATIONS);
+ sandglass_t sandglass;
+ if (sandglass_init_monotonic(&sandglass, SANDGLASS_CPUTIME) != 0) {
+ perror("sandglass_create()");
+ return EXIT_FAILURE;
+ }
+
+ /* Benchmark the increment operation. */
+ sandglass_bench_fine(&sandglass, dmnsn_future_increment(future));
+ printf("dmnsn_future_increment(): %ld\n", sandglass.grains);
+ future->progress = 0;
+
+ /* Now run a bunch of increments concurrently. */
return dmnsn_execute_concurrently(&dmnsn_bench_future, future, nthreads);
}