lijinpei
lijinpei
/ getpid.cpp
Created
September 18, 2019 18:18
How many cycles does linux system call takes?
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| #include <sys/types.h> | |
| #include <unistd.h> | |
| #include <sys/syscall.h> | |
| #include <sys/stat.h> | |
| #include <fcntl.h> | |
| #include <iostream> | |
| inline unsigned long long rdtsc(void) | |
| { | |
| unsigned hi, lo; |
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| project(test) | |
| cmake_minimum_required(VERSION 3.15) | |
| find_package(OpenCV REQUIRED) | |
| include_directories(${OpenCV_INCLUDE_DIRS}) | |
| add_executable(cv cv.cpp) | |
| target_link_libraries(cv ${OpenCV_LIBS}) | |
| add_executable(cv1 cv1.cpp) | |
| target_link_libraries(cv1 ${OpenCV_LIBS}) |
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| # Maintainer: Li Jinpei <leeking1994@163.com> | |
| pkgbase=llvm-git | |
| pkgname=( | |
| 'llvm-git' | |
| 'clang-git' | |
| ) | |
| pkgver=r165875.8e0778c059f | |
| pkgrel=1 |
lijinpei
/ state_assembly_test.s
Created
June 22, 2018 02:35
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| test_for_auto_loop: | |
| pushq %rbp | |
| pushq %rbx | |
| subq $8, %rsp | |
| call GetState@PLT | |
| cmpb $0, 26(%rax) | |
| movq %rax, %rbp | |
| je .L2 | |
| movq %rax, %rdi | |
| call _ZN9benchmark5State16StartKeepRunningEv@PLT |
lijinpei
/ text_document_did_open.cpp
Created
April 27, 2018 17:24
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| #include "cache_manager.h" | |
| #include "clang_complete.h" | |
| #include "include_complete.h" | |
| #include "message_handler.h" | |
| #include "project.h" | |
| #include "queue_manager.h" | |
| #include "timer.h" | |
| #include "working_files.h" | |
| #include "clang/Basic/FileManager.h" |
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| #include "message_handler.h" | |
| #include "method.h" | |
| #include "project.h" | |
| #include "queue_manager.h" | |
| #include "timer.h" | |
| #include <loguru.hpp> | |
| #include "clang/Basic/FileManager.h" | |
| #include "clang/Basic/FileSystemOptions.h" | |
| #include "clang/Frontend/ASTUnit.h" |
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| template <class C> | |
| class A { | |
| }; | |
| class B { | |
| using A = A<int>; | |
| }; |
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| #!/usr/bin/bash | |
| set -e | |
| _target=aarch64-linux | |
| _root_dir=${PWD} | |
| _source_dir=${_root_dir}/source | |
| _host_dir=${_root_dir}/host | |
| _target_dir=${_host_dir}/${_target} | |
| mkdir -p ${_source_dir} | |
| mkdir -p ${_host_dir} |
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| #include "benchmark/benchmark.h" | |
| #include <iostream> | |
| using namespace benchmark; | |
| int n = 1; | |
| void func(State &st, int i1) { | |
| std::cerr << i1 << std::endl; | |
| for (auto _ : st) { |
lijinpei
/ benchmark_non_copyable.cpp
Created
January 11, 2018 04:06
benchmark runtime registration won't work with function with non-copyable parameter
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| #include "benchmark/benchmark.h" | |
| #include <memory> | |
| using namespace benchmark; | |
| void f_movable(State &st, std::unique_ptr<int> pi) { | |
| for (auto _ : st) { | |
| for (int i = 0, i1 = *pi; i < i1; ++i) { | |
| DoNotOptimize(i); | |
| } |