From f618466c25d43f3bae9e40920273bf77de1e1149 Mon Sep 17 00:00:00 2001
From: leochanj105 <leochanj@live.unc.edu>
Date: Mon, 19 Oct 2020 23:09:30 -0400
Subject: initial sd-vbs

initial sd-vbs

add sd-vbs

sd-vbs
---
 SD-VBS/common/matlab/timingFuncs/photonEndTiming.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 SD-VBS/common/matlab/timingFuncs/photonEndTiming.c

(limited to 'SD-VBS/common/matlab/timingFuncs/photonEndTiming.c')

diff --git a/SD-VBS/common/matlab/timingFuncs/photonEndTiming.c b/SD-VBS/common/matlab/timingFuncs/photonEndTiming.c
new file mode 100644
index 0000000..bbf5231
--- /dev/null
+++ b/SD-VBS/common/matlab/timingFuncs/photonEndTiming.c
@@ -0,0 +1,15 @@
+#include"mex.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <math.h>
+
+void mexFunction(int nlhs, mxArray* plhs[], int nrhs, const mxArray* prhs[])
+{
+    uint32_t* cycles;
+    plhs[0] = mxCreateNumericMatrix(1, 2, mxUINT32_CLASS, mxREAL);
+    cycles = (uint32_t*)mxGetPr(plhs[0]);
+    __asm__ __volatile__( "rdtsc": "=a" (cycles[0]), "=d" (cycles[1]));    
+ 
+    return;
+}
-- 
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