diff options
Diffstat (limited to 'src/core/NEON')
-rw-r--r-- | src/core/NEON/kernels/arm_gemm/misc.cpp | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/src/core/NEON/kernels/arm_gemm/misc.cpp b/src/core/NEON/kernels/arm_gemm/misc.cpp deleted file mode 100644 index b29cc58d5d..0000000000 --- a/src/core/NEON/kernels/arm_gemm/misc.cpp +++ /dev/null @@ -1,147 +0,0 @@ -/* - * Copyright (c) 2018 ARM Limited. - * - * SPDX-License-Identifier: MIT - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in all - * copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -#include <newgemm_lib.hpp> - -unsigned int get_cpu_impl() -{ -#ifndef BARE_METAL - int fd = open("/proc/cpuinfo", 0); - char buff[3000]; - char *pos; - char *end; - int foundid = 0; - int variant = 0; - - int cpu = sched_getcpu(); - - if(!fd) - { - return 0; - } - - int charsread = read(fd, buff, 3000); - pos = buff; - end = buff + charsread; - - close(fd); - - /* So, to date I've encountered two formats for /proc/cpuinfo. - * - * One of them just lists processor : n for each processor (with no - * other info), then at the end lists part information for the current - * CPU. - * - * The other has an entire clause (including part number info) for each - * CPU in the system, with "processor : n" headers. - * - * We can cope with either of these formats by waiting to see - * "processor: n" (where n = our CPU ID), and then looking for the next - * "CPU part" field. - */ - while(pos < end) - { - if(foundid && !strncmp(pos, "CPU variant", 11)) - { - pos += 13; - char *resume = end; // Need to continue scanning after this - - for(char *ch = pos; ch < end; ch++) - { - if(*ch == '\n') - { - *ch = '\0'; - resume = ch + 1; - break; - } - } - - variant = strtoul(pos, NULL, 0); - - pos = resume; - } - - if(foundid && !strncmp(pos, "CPU part", 8)) - { - /* Found part number */ - pos += 11; - unsigned int num; - - for(char *ch = pos; ch < end; ch++) - { - if(*ch == '\n') - { - *ch = '\0'; - break; - } - } - - num = strtoul(pos, NULL, 0); - - return (num << 4) | (variant << 20); - } - - if(!strncmp(pos, "processor", 9)) - { - /* Found processor ID, see if it's ours. */ - pos += 11; - int num; - - for(char *ch = pos; ch < end; ch++) - { - if(*ch == '\n') - { - *ch = '\0'; - break; - } - } - - num = strtol(pos, NULL, 0); - - if(num == cpu) - { - foundid = 1; - } - } - - while(pos < end) - { - char ch = *pos++; - if(ch == '\n' || ch == '\0') - { - break; - } - } - } -#endif - - return 0; -} - -CPUInfo *get_CPUInfo() -{ - static CPUInfo ci; - - return &ci; -} |