From f07d4a0c031954ec9ab15f750ae3310e2bf9cd10 Mon Sep 17 00:00:00 2001
From: Dorian Stoll <dorian.stoll@uni-potsdam.de>
Date: Tue, 11 Jun 2024 09:02:50 +0200
Subject: [PATCH] zellularautomat: c: Remove unused RNG spinning
---
src/benchmarks/zellularautomat/c/ca_common.c | 11 +----------
src/benchmarks/zellularautomat/c/ca_common.h | 2 +-
src/benchmarks/zellularautomat/c/ca_openmp.c | 2 +-
3 files changed, 3 insertions(+), 12 deletions(-)
diff --git a/src/benchmarks/zellularautomat/c/ca_common.c b/src/benchmarks/zellularautomat/c/ca_common.c
index 7f44e97c..3e0d9ace 100644
--- a/src/benchmarks/zellularautomat/c/ca_common.c
+++ b/src/benchmarks/zellularautomat/c/ca_common.c
@@ -25,19 +25,10 @@ void ca_init(int argc, char** argv, int *lines, int *its)
}
/* random starting configuration */
-void ca_init_config(line_t *buf, int lines, int skip_lines)
+void ca_init_config(line_t *buf, int lines)
{
- volatile int scratch;
-
srand(424243);
- /* let the RNG spin for some rounds (used for distributed initialization) */
- for (int y = 1; y <= skip_lines; y++) {
- for (int x = 1; x <= XSIZE; x++) {
- scratch = scratch + (rand() % 2);
- }
- }
-
for (int y = 1; y <= lines; y++) {
for (int x = 1; x <= XSIZE; x++) {
buf[y][x] = rand() % 2;
diff --git a/src/benchmarks/zellularautomat/c/ca_common.h b/src/benchmarks/zellularautomat/c/ca_common.h
index 7d764f91..2ef4d570 100644
--- a/src/benchmarks/zellularautomat/c/ca_common.h
+++ b/src/benchmarks/zellularautomat/c/ca_common.h
@@ -25,7 +25,7 @@ typedef uint8_t cell_state_t;
typedef cell_state_t line_t[XSIZE + 2];
void ca_init(int argc, char** argv, int *lines, int *its);
-void ca_init_config(line_t *buf, int lines, int skip_lines);
+void ca_init_config(line_t *buf, int lines);
void ca_report(line_t *buf, int lines);
#ifdef __cplusplus
diff --git a/src/benchmarks/zellularautomat/c/ca_openmp.c b/src/benchmarks/zellularautomat/c/ca_openmp.c
index 4e0e9480..00a3fb2d 100644
--- a/src/benchmarks/zellularautomat/c/ca_openmp.c
+++ b/src/benchmarks/zellularautomat/c/ca_openmp.c
@@ -75,7 +75,7 @@ int main(int argc, char** argv)
line_t *from = calloc((lines + 2), sizeof(line_t));
line_t *to = calloc((lines + 2), sizeof(line_t));
- ca_init_config(from, lines, 0);
+ ca_init_config(from, lines);
for (int i = 0; i < its; i++) {
boundary(from, lines);
--
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