From 8690ffdb9b9b3df40ac081d8120048bffcfccb9b Mon Sep 17 00:00:00 2001
From: MathieuFavreau <Mathieu.Favreau@usherbrooke.ca>
Date: Sun, 10 Nov 2019 21:16:28 -0500
Subject: [PATCH] Allow to sleep between layer forward in order to reduce load

---
 include/darknet.h | 2 ++
 src/network.c     | 9 +++++++++
 2 files changed, 11 insertions(+)

diff --git a/include/darknet.h b/include/darknet.h
index 79d2feff..83110de0 100644
--- a/include/darknet.h
+++ b/include/darknet.h
@@ -486,6 +486,8 @@ typedef struct network{
     float *cost;
     float clip;
 
+    int sleep_between_layers_forward_us;
+
 #ifdef GPU
     float *input_gpu;
     float *truth_gpu;
diff --git a/src/network.c b/src/network.c
index 338ceed5..410e5cbf 100644
--- a/src/network.c
+++ b/src/network.c
@@ -206,6 +206,9 @@ void forward_network(network *netp)
         if(l.truth) {
             net.truth = l.output;
         }
+        if(net.sleep_between_layers_forward_us > 0){
+            usleep(net.sleep_between_layers_forward_us);
+        }
     }
     calc_network_cost(netp);
 }
@@ -788,6 +791,9 @@ void forward_network_gpu(network *netp)
             net.truth_gpu = l.output_gpu;
             net.truth = l.output;
         }
+        if(net.sleep_between_layers_forward_us > 0){
+            usleep(net.sleep_between_layers_forward_us);
+        }
     }
     pull_network_output(netp);
     calc_network_cost(netp);
@@ -832,6 +838,9 @@ void forward_network_gpu_device_input(network *netp)
         if(l.truth) {
             net.truth_gpu = l.output_gpu;
         }
+        if(net.sleep_between_layers_forward_us > 0){
+            usleep(net.sleep_between_layers_forward_us);
+        }
     }
     pull_network_output(netp);
     calc_network_cost(netp);