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Merge pull request #2647 from fireice-uk/xmr-stak-rx-dev
[RX] release 1.0.4
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| #!/usr/bin/env bash | ||
| # based on xmrig's randomx_boost.sh script | ||
| # lifted by psychocrypt | ||
|
|
||
| function help() | ||
| { | ||
| echo "$(basename $0) modifies caching behaviors of your CPU" | ||
| echo "and activates huge pages." | ||
| echo "Reboot your system to revert the changes." | ||
| echo "" | ||
| echo "must be called with administrative privileges e.g. 'sudo $(basename $0)'" | ||
| } | ||
|
|
||
| if [ $# -ge 1 ] ; then | ||
| help | ||
| exit 1 | ||
| fi | ||
|
|
||
| hasAptGet=$(which apt-get >/dev/null && { echo 1; } || { echo 0; }) | ||
| hasApt=$(which apt >/dev/null && { echo 1; } || { echo 0; }) | ||
| hasYum=$(which yum >/dev/null && { echo 1; } || { echo 0; }) | ||
|
|
||
| tools=$(which wrmsr >/dev/null || { echo "msr-tools "; })$(which numactl >/dev/null || { echo " numactl"; }) | ||
|
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||
| if [ -n "$tools" ] ; then | ||
| echo "tool '$tools' not found, $(basename $0) is trying to install the dependency" | ||
| if [ $hasAptGet -eq 1 ] ; then | ||
| comm="apt-get --no-install-recommends --yes install $tools" | ||
| echo "execute: $comm" | ||
| $comm | ||
| elif [ $hasApt -eq 1 ] ; then | ||
| comm="apt-get --no-install-recommends --yes install $tools" | ||
| echo "execute: $comm" | ||
| $comm | ||
| elif [ $hasYum -eq 1 ] ; then | ||
| comm="yum install -y $tools" | ||
| echo "execute: $comm" | ||
| $comm | ||
| else | ||
| echo "package manager unknown, please install '$tools' by hand" >&2 | ||
| exit 1 | ||
| fi | ||
| fi | ||
|
|
||
| hasWrmsr=$(which wrmsr >/dev/null && { echo 1; } || { echo 0; }) | ||
| if [ $hasWrmsr -eq 0 ] ; then | ||
| echo "dependency 'wrmsr' not found, tool failed" >&2 | ||
| exit 1 | ||
| fi | ||
|
|
||
| hasNumactl=$(which numactl >/dev/null && { echo 1; } || { echo 0; }) | ||
| if [ $hasNumactl -eq 0 ] ; then | ||
| echo "dependency 'numactl' not found, tool failed" >&2 | ||
| exit 1 | ||
| fi | ||
|
|
||
| echo "" | ||
| modprobe msr | ||
|
|
||
| if cat /proc/cpuinfo | grep -q "AMD Ryzen" ; then | ||
| echo "Detected Ryzen" | ||
| wrmsr -a 0xc0011022 0x510000 | ||
| wrmsr -a 0xc001102b 0x1808cc16 | ||
| wrmsr -a 0xc0011020 0 | ||
| echo "MSR register values for Ryzen applied" | ||
| echo "WARNING: MSR register changes can result into stability issues!" | ||
| echo "Reboot your system to revert the changes." | ||
| elif cat /proc/cpuinfo | grep -q "Intel" ; then | ||
| echo "Detected Intel" | ||
| wrmsr -a 0x1a4 7 | ||
| echo "MSR register values for Intel applied" | ||
| echo "WARNING: MSR register changes can result into stability issues!" | ||
| echo "Reboot your system to revert the changes." | ||
| else | ||
| echo "No supported CPU detected" | ||
| fi | ||
|
|
||
| echo "" | ||
|
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||
| ### begin enable huge pages | ||
| required_num_huge_pages=1280 | ||
| num_huge_pages=$(cat /proc/meminfo | grep "HugePages_Free" | sed 's/ \{2,\}/ /g' | cut -d" " -f2) | ||
|
|
||
| if [ $num_huge_pages -lt $required_num_huge_pages ] ; then | ||
| echo "active 2 MiB pages" | ||
| echo "execute: sysctl -w vm.nr_hugepages=$required_num_huge_pages" | ||
| sysctl -w vm.nr_hugepages="$required_num_huge_pages" | ||
| fi | ||
| # verify number of huge pages | ||
| num_huge_pages=$(cat /proc/meminfo | grep "HugePages_Free" | sed 's/ \{2,\}/ /g' | cut -d" " -f2) | ||
| num_memsets=$((num_huge_pages/required_num_huge_pages)) | ||
|
|
||
| if [ $num_memsets -eq 0 ] ; then | ||
| echo "Error: not enough 2 MiB pages $num_huge_pages/$required_num_huge_pages" >&2 | ||
| fi | ||
|
|
||
| # apply gigabyte pages last because 2MiB pages will give more performance | ||
| numNodes=$(numactl --hardware | grep available | cut -d" " -f2) | ||
| freeGigPages=$(cat /sys/kernel/mm/hugepages/hugepages-1048576kB/free_hugepages) | ||
| neededGigPages=$((numNodes * 3)) | ||
|
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||
| if [ $freeGigPages -lt $neededGigPages ] ; then | ||
| echo "" | ||
| echo "activate 1 GiB pages" | ||
| comm="echo $neededGigPages > /sys/kernel/mm/hugepages/hugepages-1048576kB/nr_hugepages" | ||
| echo "execute: $comm" | ||
| echo "$neededGigPages" > /sys/kernel/mm/hugepages/hugepages-1048576kB/nr_hugepages | ||
| fi | ||
| ### end enable huge pages | ||
|
|
||
| exit 0 |
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