From 3bc99e14394405b67f66bc580d78c0fd1c85b16a Mon Sep 17 00:00:00 2001
From: sakthipriyas <sakthips@gmail.com>
Date: Mon, 31 Aug 2020 09:40:30 +0000
Subject: [PATCH] sk kernel version latest
---
psrdada_cpp/effelsberg/edd/src/SpectralKurtosisCuda.cu | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/psrdada_cpp/effelsberg/edd/src/SpectralKurtosisCuda.cu b/psrdada_cpp/effelsberg/edd/src/SpectralKurtosisCuda.cu
index eca2fa02..456e147f 100755
--- a/psrdada_cpp/effelsberg/edd/src/SpectralKurtosisCuda.cu
+++ b/psrdada_cpp/effelsberg/edd/src/SpectralKurtosisCuda.cu
@@ -54,11 +54,10 @@ __global__ void compute_sk_kernel(thrust::complex<float> *data, std::size_t samp
}
__syncthreads();
- for(int s = 1; s < blockDim.x; s *= 2){
- int index = 2 * s * l_index;
- if(index < blockDim.x){
- s1[index] += s1[index + s];
- s2[index] += s2[index + s];
+ for(int s = blockDim.x / 2; s > 0; s >>= 1){
+ if(l_index < s){
+ s1[l_index] += s1[l_index + s];
+ s2[l_index] += s2[l_index + s];
}
__syncthreads();
}
--
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