From 5ca7409bc02ea1ac8ea34f0779f18221880fa6ac Mon Sep 17 00:00:00 2001 From: Gian Marco Date: Thu, 8 Feb 2018 16:21:54 +0000 Subject: COMPMID-765 - Used GEMM-based convolution in VGG16 In order to use GEMM-based convolution in VGG16, it has been created a function which allocates 1.8 GB. If the function fails, will be used DIRECT convolution instead Change-Id: Ibec8928ee6fe6684d6dc24b7df380beeb671bf27 Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/119490 Tested-by: Jenkins Reviewed-by: Michalis Spyrou Reviewed-by: Gian Marco Iodice Reviewed-by: Anthony Barbier --- utils/Utils.cpp | 36 +++++++++++++++++++++++++++++++++++- 1 file changed, 35 insertions(+), 1 deletion(-) (limited to 'utils/Utils.cpp') diff --git a/utils/Utils.cpp b/utils/Utils.cpp index 32d5e3a6c0..8a2d11814e 100644 --- a/utils/Utils.cpp +++ b/utils/Utils.cpp @@ -1,5 +1,5 @@ /* - * Copyright (c) 2017, 2018 ARM Limited. + * Copyright (c) 2017-2018 ARM Limited. * * SPDX-License-Identifier: MIT * @@ -191,5 +191,39 @@ std::tuple, bool, std::string> parse_npy_header(std:: return std::make_tuple(shape, fortran_order, typestr); } + +/** This function returns the amount of memory free reading from /proc/meminfo + * + * @return The free memory in kB + */ +uint64_t get_mem_free_from_meminfo() +{ + std::string line_attribute; + std::ifstream file_meminfo("/proc/meminfo"); + + if(file_meminfo.is_open()) + { + while(!(file_meminfo >> line_attribute).fail()) + { + //Test if is the line containing MemFree + if(line_attribute == "MemFree:") + { + uint64_t mem_available; + if(!(file_meminfo >> mem_available).fail()) + { + return mem_available; + } + else + { + return 0; + } + } + // if it's not MemFree ignore rest of the line + file_meminfo.ignore(std::numeric_limits::max(), '\n'); + } + } + // Nothing found or an error during opening the file + return 0; +} } // namespace utils } // namespace arm_compute -- cgit v1.2.1