From af17ad08f166af95d44bea899ff6f51a0524c99e Mon Sep 17 00:00:00 2001
From: Neil Gershenfeld <gersh@cba.mit.edu>
Date: Sun, 18 Nov 2018 09:11:10 -0500
Subject: [PATCH] wip
---
TensorFlow/tfpi.html | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
create mode 100644 TensorFlow/tfpi.html
diff --git a/TensorFlow/tfpi.html b/TensorFlow/tfpi.html
new file mode 100644
index 0000000..94a661d
--- /dev/null
+++ b/TensorFlow/tfpi.html
@@ -0,0 +1,25 @@
+<html>
+<body>
+<script src=tf.min.js></script>
+<script>
+//
+// tfpi.html
+// Neil Gershenfeld 11/18/18
+// TensorFlow.js pi calculation benchmark
+// pi = 3.14159265358979323846
+//
+const points = 1e7
+const a = tf.scalar(0.5)
+const b = tf.scalar(0.75)
+const c = tf.scalar(0.25)
+const tstart = Date.now()/1000
+const index = tf.range(1,points)
+const sum = tf.sum(tf.div(a,tf.mul(index.sub(b),index.sub(c))))
+const tend = Date.now()/1000
+const mflops = points*5.0*1e-6/(tend-tstart);
+document.write('pi: '+sum.toString())
+document.write('<br>')
+document.write('time: '+(tend-tstart).toFixed(1)+'s')
+document.write('<br>')
+document.write('estimated MFlops: '+mflops)
+</script>
--
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