From 0d3136f974cf55d58dee451bda848c8f5f6c143a Mon Sep 17 00:00:00 2001 From: Austin Donisan Date: Thu, 8 Feb 2024 02:54:04 +0000 Subject: [PATCH] more helpful timing debugging --- 1brc.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/1brc.c b/1brc.c index 270d8d1..e0dadff 100644 --- a/1brc.c +++ b/1brc.c @@ -573,6 +573,7 @@ void start_worker(worker_t *w, Results *out) { void *hashData = mmap(NULL, HASH_MEMORY_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); madvise(hashData, HASH_MEMORY_SIZE, MADV_HUGEPAGE); madvise(hashData, HASHED_CITIES_SIZE + HASHED_DATA_SIZE, MADV_POPULATE_WRITE); + TIMER_MS_NUM("mmap", w->worker_id); char * hashedCities = hashData; hashData += HASHED_CITIES_SIZE; @@ -608,14 +609,13 @@ void start_worker(worker_t *w, Results *out) { mmap(data + PAGE_SIZE, mapped_file_length, PROT_READ, MAP_PRIVATE | MAP_FIXED , w->fd, start); if (DEBUG && w->warmup) { - TIMER_RESET(); long dummy = 0; for (long i = 0; i < mapped_file_length; i += PAGE_SIZE) { dummy += *(long *)(data + i); } volatile long dummy2 = dummy; (void)dummy2; - TIMER_MS("warmup"); + TIMER_MS_NUM("warmup", w->worker_id); } @@ -628,14 +628,13 @@ void start_worker(worker_t *w, Results *out) { } offsets[STRIDE] = last ? chunk_size + PAGE_SIZE : find_next_row(data, chunk_size + PAGE_SIZE); - TIMER_RESET(); process_chunk(data, offsets, &hash); TIMER_MS_NUM("chunk", w->worker_id); } TIMER_RESET(); convert_hash_to_results(&hash, out); - TIMER_MS("convert"); + TIMER_MS_NUM("convert", w->worker_id); } __attribute__((aligned(4096))) void process_chunk(const char * const restrict base, const unsigned int * offsets, hash_t * restrict hashOut) {