Wait for a counter before searching in bfs-run, and the runs of research 121

1 files changed, 5 insertions, 0 deletions

diff --git a/research/experiments/036-faster-loops/bfs-run.c b/research/experiments/036-faster-loops/bfs-run.c
index a3d9d79..4d5ca82 100644
--- a/research/experiments/036-faster-loops/bfs-run.c
+++ b/research/experiments/036-faster-loops/bfs-run.c
@@ -61,6 +61,11 @@ int main(int argc, char **argv) {
             return 1;
         }
     }
+    if (getenv("BFS_WAIT")) { /* loaded: a counter attaches, then a line on stdin starts the searches */
+        fprintf(stderr, "loaded\n");
+        fflush(stderr);
+        (void)getchar();
+    }
     double *took = malloc(rounds * sizeof(*took));
     for (size_t r = 0; r < rounds; ++r) {
         uint32_t from = (uint32_t)(next() % nodes), to = (uint32_t)(next() % nodes);