From 1ac7f28c15e64c82e7db29988dea15a6a2eb57ce Mon Sep 17 00:00:00 2001
From: Sean Wheller <sean@prepaidmeters.com>
Date: Thu, 1 Aug 2019 20:29:24 +0200
Subject: [PATCH 1/3] Add notice

---
 settings.sh | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/settings.sh b/settings.sh
index b0a293a..ea7fddd 100755
--- a/settings.sh
+++ b/settings.sh
@@ -11,7 +11,11 @@ _RECEIVE_WALLET="854sqm2Cm4TB2XgPHWqSPSbnFAe3SMzdEDzZHpukQ8NHBPFropbnkFmEKiZPgwj
 _POOL_SERVER_URL="192.168.4.5"
 _POOL_SERVER_PORT="3333"
 
-#################################
+#####################################################################
+
+#  DO NOT CHANGE AFTER THIS POINT UNLESS YOU KNOW WHAT YOU ARE DOING
+
+#####################################################################
 
 # Set working directory
 _WORK_DIR="$(pwd)"

From 86bb3cbda5b9f570f93efc52653fcc8746b56acc Mon Sep 17 00:00:00 2001
From: Sean Wheller <sean@prepaidmeters.com>
Date: Thu, 1 Aug 2019 20:29:24 +0200
Subject: [PATCH 2/3] Revert "Add notice"

This reverts commit 1ac7f28c15e64c82e7db29988dea15a6a2eb57ce.
---
 settings.sh | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/settings.sh b/settings.sh
index ea7fddd..b0a293a 100755
--- a/settings.sh
+++ b/settings.sh
@@ -11,11 +11,7 @@ _RECEIVE_WALLET="854sqm2Cm4TB2XgPHWqSPSbnFAe3SMzdEDzZHpukQ8NHBPFropbnkFmEKiZPgwj
 _POOL_SERVER_URL="192.168.4.5"
 _POOL_SERVER_PORT="3333"
 
-#####################################################################
-
-#  DO NOT CHANGE AFTER THIS POINT UNLESS YOU KNOW WHAT YOU ARE DOING
-
-#####################################################################
+#################################
 
 # Set working directory
 _WORK_DIR="$(pwd)"

From 2c0973365ce06acc209cad56659c465660c66d6b Mon Sep 17 00:00:00 2001
From: Sean Wheller <sean@prepaidmeters.com>
Date: Thu, 1 Aug 2019 22:22:11 +0200
Subject: [PATCH 3/3] handle cpu affinity

---
 config.sh   |  2 +-
 settings.sh | 53 +++++++++++++++++++++++++++++++++++++++++++----------
 2 files changed, 44 insertions(+), 11 deletions(-)

diff --git a/config.sh b/config.sh
index 2ed685e..3df1421 100755
--- a/config.sh
+++ b/config.sh
@@ -14,7 +14,7 @@ _CPU_HUGE_PAGES="true"
 _CPU_HW_AES="$_AES_NI"
 _CPU_PRIORITY="null"
 _CPU_ASM="true"
-_CPU_CN="0 1 2 3"
+_CPU_CN="$_ENV_CPU_THREAD_AFFINITY"
 
 _CPU_CN_0="false"
 _CPU_CN_LITE_0="false"
diff --git a/settings.sh b/settings.sh
index b0a293a..a1ba074 100755
--- a/settings.sh
+++ b/settings.sh
@@ -11,7 +11,11 @@ _RECEIVE_WALLET="854sqm2Cm4TB2XgPHWqSPSbnFAe3SMzdEDzZHpukQ8NHBPFropbnkFmEKiZPgwj
 _POOL_SERVER_URL="192.168.4.5"
 _POOL_SERVER_PORT="3333"
 
-#################################
+#####################################################################
+
+#  DO NOT CHANGE AFTER THIS POINT UNLESS YOU KNOW WHAT YOU ARE DOING
+
+#####################################################################
 
 # Set working directory
 _WORK_DIR="$(pwd)"
@@ -76,10 +80,48 @@ else
         echo "$USER     ALL=(ALL) NOPASSWD:ALL" | sudo tee -a /etc/sudoers.d/README
 fi
 
+
+# Check if CPU supports AES-NI
+cpuid | grep -i aes > hw-aes.txt
+if grep -q true "hw-aes.txt"; then
+        _AES_NI=true
+else
+        _AES_NI=false
+fi
+rm hw-aes.txt
+
 # Get number of available CPU Cores
 _ENV_CORE=$(nproc --all)
 echo -e "CPU Cores: $_ENV_CORE\n"
 
+# Get CPU L3 cache value
+_ENV_CORE_L3=$(getconf LEVEL3_CACHE_SIZE)
+echo -e "L3 Cache in byte: $_ENV_CORE_L3\n"
+
+# Determine number of threads possible
+_ENV_CORE_L3_MB="$(($_ENV_CORE_L3 / 1000000))"
+echo -e "L3 cache in Megabyte: $_ENV_CORE_L3_MB\n"
+
+# Determine number of threads possible
+_ENV_CORE_THREADS="$(($_ENV_CORE_L3_MB / 2))"
+echo "Each thread requires 2 MB of cache"
+echo -e "Number of threads possible is: $_ENV_CORE_THREADS\n"
+
+# Affine number of threads for _CPU_CN
+_COUNTER="$(($_ENV_CORE_THREADS - 1))"
+_ENV_CPU_THREADS=()
+
+for i in `seq 0 $_COUNTER`; do
+	_ENV_CPU_THREADS+=("$i")
+done
+
+echo "Thread CPU Affinity: ${_ENV_CPU_THREADS[@]}"
+
+_ENV_CPU_THREAD_AFFINITY="${_ENV_CPU_THREADS[@]}"
+
+
+# Setting according to cpu cores but xmrig will not use all
+# change to make value use _ENV_CORE_THREADS
 # Check that hugepages set in /etc/sysctl.conf
 _ENV_CHECK="nr_hugepages"
 
@@ -97,15 +139,6 @@ else
         echo "vm.nr_hugepages=$_ENV_CORE" | sudo tee -a /etc/sysctl.conf
 fi
 
-# Check if CPU supports AES-NI
-cpuid | grep -i aes > hw-aes.txt
-if grep -q true "hw-aes.txt"; then
-	_AES_NI=true
-else
-	_AES_NI=false
-fi
-rm hw-aes.txt
-
 # Run apt maintenance
 # 1 = yes 0 = no
 _APT_MAINETANCE="1"