utilities/set_hugepages.sh

#!/bin/bash

# Copyright (c) 2023 Habana Labs, Ltd. an Intel Company.Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at

#     http://www.apache.org/licenses/LICENSE-2.0

# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

configure_hugepages() {
    # config hugepages number
    local huge_pages_size="$(grep "^Hugepagesize:" /proc/meminfo | awk '{print $2}')"
    local huge_pages_memory=$((2 * 110 * 1024)) # convert to kB
    local number_of_cores="$(nproc)"

    local total_huge_pages_memory=$(($huge_pages_memory * $number_of_cores * 2))
    local number_of_huge_pages=$(($total_huge_pages_memory / $huge_pages_size + 1))

    #set current hugepages
    #sudo sysctl -w "vm.nr_hugepages=$number_of_huge_pages"
    sudo sysctl -w "vm.nr_hugepages=153600"
}

configure_hugepages