From 58e004a2d2e7fcf21e8277de6218e00e10edab99 Mon Sep 17 00:00:00 2001
From: "chao.qianc" <chao.qianc@alibaba-inc.com>
Date: Tue, 4 Dec 2018 23:14:00 +0800
Subject: [PATCH] version 5.1.5

---
 UnixBench/README      |  5 +++++
 UnixBench/src/whets.c |  1 +
 unixbench.sh          | 16 ++++++++--------
 3 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/UnixBench/README b/UnixBench/README
index f2c59ce..fc6b6bf 100644
--- a/UnixBench/README
+++ b/UnixBench/README
@@ -27,6 +27,11 @@ For information on adding tests into the benchmark, see "WRITING_TESTS".
 
 ===================== RELEASE NOTES =====================================
 
+v5.1.5
+Optimize whets.c:
+When the main frequency of the CPU is higher, the time of N8 process is nonlinear.
+More infomation, you can see: https://yq.aliyun.com/articles/674732
+
 ========================  JUN 2 2018 ==========================
 v5.1.4
 Optimize contetxt1.c:
diff --git a/UnixBench/src/whets.c b/UnixBench/src/whets.c
index 7829bb7..5a7bac5 100644
--- a/UnixBench/src/whets.c
+++ b/UnixBench/src/whets.c
@@ -747,6 +747,7 @@ char	*argv[];
 	 {
 	    for (ix=0; ix<xtra; ix++)
 	      {
+		x = 0.75;
 		for(i=0; i<n8; i++)
 		  {
 		     x = sqrt(exp(log(x)/t1));
diff --git a/unixbench.sh b/unixbench.sh
index 3fc3d9e..476ff4d 100644
--- a/unixbench.sh
+++ b/unixbench.sh
@@ -1,6 +1,6 @@
 #! /bin/bash
 #==============================================================#
-#   Description:  Unixbench script, copy from :https://raw.githubusercontent.com/teddysun/across/master/unixbench.sh, change to v5.1.4   #
+#   Description:  Unixbench script, copy from :https://raw.githubusercontent.com/teddysun/across/master/unixbench.sh, change to v5.1.5   #
 #   Author: Teddysun <i@teddysun.com>                          #
 #   Intro:  https://teddysun.com/245.html                      #
 #==============================================================#
@@ -25,17 +25,17 @@ fi
 mkdir -p ${cur_dir}
 cd ${cur_dir}
 
-# Download UnixBench5.1.4
-if [ -s UnixBench-5.1.4.tar.gz ]; then
-    echo "UnixBench-5.1.4.tar.gz [found]"
+# Download UnixBench5.1.5
+if [ -s UnixBench-5.1.5.tar.gz ]; then
+    echo "UnixBench-5.1.5.tar.gz [found]"
 else
-    echo "UnixBench-5.1.4.tar.gz not found!!!download now..."
-    if ! wget -c https://github.com/aliyun/byte-unixbench/releases/download/v5.1.4/UnixBench-5.1.4.tar.gz; then
-        echo "Failed to download UnixBench-5.1.4.tar.gz, please download it to ${cur_dir} directory manually and try again."
+    echo "UnixBench-5.1.5.tar.gz not found!!!download now..."
+    if ! wget -c https://github.com/aliyun/byte-unixbench/releases/download/v5.1.5/UnixBench-5.1.5.tar.gz; then
+        echo "Failed to download UnixBench-5.1.5.tar.gz, please download it to ${cur_dir} directory manually and try again."
         exit 1
     fi
 fi
-tar -zxvf UnixBench-5.1.4.tar.gz && rm -f UnixBench-5.1.4.tar.gz
+tar -zxvf UnixBench-5.1.5.tar.gz && rm -f UnixBench-5.1.5.tar.gz
 cd UnixBench/
 
 #Run unixbench