From a6b2511a566f77a0838dc1dd0d5f3e3c49a8faa0 Mon Sep 17 00:00:00 2001
From: Joseph Redmon <pjreddie@gmail.com>
Date: Sat, 25 Jun 2016 23:13:54 +0000
Subject: [PATCH] idk
---
src/activation_kernels.cu | 33 +++++++++++++++++++++++++++++++++
1 files changed, 33 insertions(+), 0 deletions(-)
diff --git a/src/activation_kernels.cu b/src/activation_kernels.cu
index 3dc3af0..5d61529 100644
--- a/src/activation_kernels.cu
+++ b/src/activation_kernels.cu
@@ -7,6 +7,25 @@
#include "cuda.h"
}
+
+__device__ float lhtan_activate_kernel(float x)
+{
+ if(x < 0) return .001*x;
+ if(x > 1) return .001*(x-1) + 1;
+ return x;
+}
+__device__ float lhtan_gradient_kernel(float x)
+{
+ if(x > 0 && x < 1) return 1;
+ return .001;
+}
+
+__device__ float hardtan_activate_kernel(float x)
+{
+ if (x < -1) return -1;
+ if (x > 1) return 1;
+ return x;
+}
__device__ float linear_activate_kernel(float x){return x;}
__device__ float logistic_activate_kernel(float x){return 1./(1. + exp(-x));}
__device__ float loggy_activate_kernel(float x){return 2./(1. + exp(-x)) - 1;}
@@ -29,6 +48,12 @@
else return (x - n) + floor(x/2.);
}
+
+__device__ float hardtan_gradient_kernel(float x)
+{
+ if (x > -1 && x < 1) return 1;
+ return 0;
+}
__device__ float linear_gradient_kernel(float x){return 1;}
__device__ float logistic_gradient_kernel(float x){return (1-x)*x;}
__device__ float loggy_gradient_kernel(float x)
@@ -74,6 +99,10 @@
return plse_activate_kernel(x);
case STAIR:
return stair_activate_kernel(x);
+ case HARDTAN:
+ return hardtan_activate_kernel(x);
+ case LHTAN:
+ return lhtan_activate_kernel(x);
}
return 0;
}
@@ -103,6 +132,10 @@
return plse_gradient_kernel(x);
case STAIR:
return stair_gradient_kernel(x);
+ case HARDTAN:
+ return hardtan_gradient_kernel(x);
+ case LHTAN:
+ return lhtan_gradient_kernel(x);
}
return 0;
}
--
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