Fraser999’s gists

Fraser999 / condition_variable_issue.cc

Created October 16, 2012 16:23

Shows issue relating to invoking boost::condition_variable::notify_all outside of mutex-protected scope

	#include <condition_variable>
	#include <thread>
	#include "boost/thread/condition_variable.hpp"
	#include "boost/thread/thread.hpp"


	template<typename Thread, typename Lock, typename CondVar>
	void Loop() {
	for (int i = 0; i < 10000; ++i) {
	CondVar condition_variable;

Fraser999 / CMakeLists.txt

Created April 10, 2013 02:09

CMake's ExternalProject_Add for GMock

	cmake_minimum_required(VERSION 2.8.8 FATAL_ERROR)
	project(Test)

	# Create main.cpp which uses gmock
	file(WRITE src/main.cpp "#include \"gmock/gmock.h\"\n\n")
	file(APPEND src/main.cpp "struct A {\n virtual void Do() {}\n};\n\n")
	file(APPEND src/main.cpp "struct MockA : public A {\n MOCK_METHOD0(Do, void());\n};\n\n")
	file(APPEND src/main.cpp "TEST(A, Do) {\n")
	file(APPEND src/main.cpp " MockA mock_a;\n")
	file(APPEND src/main.cpp " EXPECT_CALL(mock_a, Do()).Times(testing::AtLeast(1));\n")

Fraser999 / boost_optional_size.cc

Created May 15, 2013 16:39

Size of boost::optional

	#include <iostream>
	#include <memory>
	#include <string>
	#include "boost/optional.hpp"

	int main() {
	std::unique_ptr<std::string> ptr(new std::string("A"));
	boost::optional<std::string> opt_empty;
	boost::optional<std::string> opt_full("A");
	std::cout << "ptr: " << sizeof(ptr) << '\n';

Fraser999 / deferred_function.cc

Created October 29, 2013 20:44

Shows results of `wait_for` on a deferred function.

	#include <chrono>
	#include <future>
	#include <iostream>
	#include <string>
	#include <thread>

	void DoStuff() {
	std::cout << "Starting task.\n";
	std::this_thread::sleep_for(std::chrono::seconds(2));
	}

Fraser999 / CMakeLists.txt

Created September 5, 2014 00:17

Demo of target_include_directories(... INTERFACE ...)

	cmake_minimum_required(VERSION 3.0)
	project(x)

	file(WRITE "${CMAKE_CURRENT_SOURCE_DIR}/include/fonts.hpp"
	"#include <iostream>\ninline int Print() { std::cout << \"Running.\\n\"; return 0; }\n")
	file(WRITE "${CMAKE_CURRENT_SOURCE_DIR}/test/main.cpp"
	"#include \"fonts.hpp\"\nint main() { return Print(); }\n")

	add_library(Fonts INTERFACE)
	target_include_directories(Fonts INTERFACE "${CMAKE_CURRENT_SOURCE_DIR}/include")

Fraser999 / gist:896b72b77ba8289c4dc2

Last active August 29, 2015 14:14

New Routing

	#include <iostream>
	#include <string>
	using namespace std;

	template <typename Child>
	struct Routing
	{
	Routing() = delete;
	explicit Routing(std::string s) : t(s) {}
	void Get()

Fraser999 / Git Console Output

Created March 3, 2015 13:56

MaidSafe clone and build commands with output

	Fraser@FRASER-HOME /e/Test
	$ git clone [email protected]:maidsafe/MaidSafe
	Cloning into 'MaidSafe'...
	remote: Counting objects: 64668, done.
	remote: Compressing objects: 100% (9/9), done.
	remote: Total 64668 (delta 2), reused 0 (delta 0), pack-reused 64659
	Receiving objects: 100% (64668/64668), 98.76 MiB \| 5.93 MiB/s, done.
	Resolving deltas: 100% (34142/34142), done.
	Checking connectivity... done.

Fraser999 / DocOpt.cmake

Created October 5, 2015 03:00

Example showing ExternalProject_Add for DocOpt

	include(ExternalProject)

	# Set default ExternalProject root directory
	set_directory_properties(PROPERTIES EP_PREFIX "${CMAKE_BINARY_DIR}/Third Party")

	set(InstallPath "${CMAKE_BINARY_DIR}/Installed Dependencies")

	# Add DocOpt
	ExternalProject_Add(
	DocOpt

Fraser999 / Branch 'EE-789-intobytes'

Created December 6, 2019 17:20

logging patch

	tps/transfer_to_existing_account_multiple_execs/3
	time: [299.34 ms 300.82 ms 304.37 ms]
	thrpt: [9.8563 elem/s 9.9726 elem/s 10.022 elem/s]
	change:
	time: [+97.665% +101.15% +105.00%] (p = 0.00 < 0.05)
	thrpt: [-51.218% -50.285% -49.409%]
	Performance has regressed.
	Benchmarking tps/transfer_to_existing_account_multiple_deploys_per_exec/3: Warming up for 3.0000 s
	Warning: Unable to complete 10 samples in 5.0s. You may wish to increase target time to 15.9s or reduce sample count to 10
	tps/transfer_to_existing_account_multiple_deploys_per_exec/3

Fraser999 / Default (without system contracts).txt

Created March 27, 2020 18:43

Benchmarks without gas metering injected

	tps/transfer_to_existing_account_multiple_execs/3/false
	time: [4.1253 ms 4.1331 ms 4.1398 ms]
	thrpt: [724.67 elem/s 725.85 elem/s 727.22 elem/s]
	change:
	time: [-18.142% -17.929% -17.739%] (p = 0.00 < 0.05)
	thrpt: [+21.564% +21.846% +22.162%]
	Performance has improved.
	tps/transfer_to_existing_account_multiple_deploys_per_exec/3/false
	time: [4.4451 ms 4.5028 ms 4.5329 ms]
	thrpt: [661.83 elem/s 666.25 elem/s 674.91 elem/s]

Fraser Hutchison Fraser999