Python 代码实现高性能异构代码降级系统
任务调度模块(Task Scheduler)
负责将任务分配到合适的计算资源上。 管理任务队列,确保高效的任务分配。
import queue
class TaskScheduler:
def __init__(self):
self.task_queue = queue.Queue()
def add_task(self, task):
self.task_queue.put(task)
print(f"Task {task.id} added to the queue.")
def get_next_task(self):
if not self.task_queue.empty():
return self.task_queue.get()
return None
资源管理模块(Resource Manager)
监控和管理计算资源的状态。 提供资源的动态分配和回收。
class ResourceManager:
def __init__(self):
self.resources = {"CPU": 4, "GPU": 2, "TPU": 1}
self.available_resources = self.resources.copy()
def allocate_resource(self, resource_type):
if self.available_resources[resource_type] > 0:
self.available_resources[resource_type] -= 1
return True
return False
def release_resource(self, resource_type):
if self.available_resources[resource_type] < self.resources[resource_type]:
self.available_resources[resource_type] += 1
return True
return False
def get_available_resources(self):
return self.available_resources
任务执行模块(Task Executor)
在不同的计算资源上执行任务。 处理任务的降级策略。
class Task:
def __init__(self, id, compute_intensity):
self.id = id
self.compute_intensity = compute_intensity
class TaskExecutor:
def __init__(self, resource_manager):
self.resource_manager = resource_manager
def execute_task(self, task):
if task.compute_intensity == "high":
resource_type = "GPU"
elif task.compute_intensity == "medium":
resource_type = "CPU"
else:
resource_type = "TPU"
if self.resource_manager.allocate_resource(resource_type):
print(f"Executing task {task.id} on {resource_type}")
# 模拟任务执行
import time
time.sleep(2)
self.resource_manager.release_resource(resource_type)
print(f"Task {task.id} completed on {resource_type}")
else:
print(f"Resource {resource_type} not available for task {task.id}")
# 降级策略
if resource_type == "GPU":
resource_type = "CPU"
elif resource_type == "CPU":
resource_type = "TPU"
if self.resource_manager.allocate_resource(resource_type):
print(f"Executing task {task.id} on {resource_type} as fallback")
time.sleep(2)
self.resource_manager.release_resource(resource_type)
print(f"Task {task.id} completed on {resource_type}")
else:
print(f"Task {task.id} could not be executed due to lack of resources")
数据传输模块(Data Transfer)
负责任务执行过程中数据的传输。 确保数据传输的高效性和可靠性。
class DataTransfer:
def __init__(self):
pass
def transfer_data(self, source, destination, data):
print(f"Transferring data from {source} to {destination}")
# 模拟数据传输
import time
time.sleep(1)
print(f"Data transfer complete: {data}")
日志和监控模块(Logging and Monitoring)
记录系统运行日志。 实时监控系统状态,提供告警功能。
import logging
class LoggingAndMonitoring:
def __init__(self):
logging.basicConfig(level=logging.INFO, format='%(asctime)s %(message)s')
def log(self, message):
logging.info(message)
def monitor(self, system_status):
print("Monitoring system status:")
for resource, status in system_status.items():
print(f"{resource}: {status}")
综合示例
将上述模块集成到一个系统中,实现任务调度和执行的整体流程:
if __name__ == "__main__":
# 初始化各模块
task_scheduler = TaskScheduler()
resource_manager = ResourceManager()
task_executor = TaskExecutor(resource_manager)
data_transfer = DataTransfer()
logger = LoggingAndMonitoring()
# 添加任务
task1 = Task(id=1, compute_intensity="high")
task2 = Task(id=2, compute_intensity="medium")
task3 = Task(id=3, compute_intensity="low")
task_scheduler.add_task(task1)
task_scheduler.add_task(task2)
task_scheduler.add_task(task3)
# 执行任务
while True:
task = task_scheduler.get_next_task()
if task is None:
break
logger.log(f"Starting execution of task {task.id}")
task_executor.execute_task(task)
logger.log(f"Completed execution of task {task.id}")
# 模拟数据传输
data_transfer.transfer_data("source", "destination", f"data for task {task.id}")
# 监控系统状态
logger.monitor(resource_manager.get_available_resources())
此代码示例展示了如何实现一个基本的高性能异构代码降级系统,包含任务调度、资源管理、任务执行、数据传输和日志监控模块。实际系统可能需要更多功能和更复杂的实现,但此示例为实现一个基础的系统提供了一个起点。
C++ 代码实现高性能异构代码降级系统
任务调度模块(Task Scheduler)
负责将任务分配到合适的计算资源上。 管理任务队列,确保高效的任务分配。
#include <queue>
#include <iostream>
class Task {
public:
int id;
std::string compute_intensity;
Task(int id, std::string compute_intensity) : id(id), compute_intensity(compute_intensity) {}
};
class TaskScheduler {
private:
std::queue<Task> task_queue;
public:
void add_task(const Task& task) {
task_queue.push(task);
std::cout << "Task " << task.id << " added to the queue." << std::endl;
}
Task get_next_task() {
if (!task_queue.empty()) {
Task task = task_queue.front();
task_queue.pop();
return task;
}
return Task(-1, "none");
}
bool has_tasks() {
return !task_queue.empty();
}
};
资源管理模块(Resource Manager)
监控和管理计算资源的状态。 提供资源的动态分配和回收。
#include <unordered_map>
#include <string>
class ResourceManager {
private:
std::unordered_map<std::string, int> resources;
std::unordered_map<std::string, int> available_resources;
public:
ResourceManager() {
resources["CPU"] = 4;
resources["GPU"] = 2;
resources["TPU"] = 1;
available_resources = resources;
}
bool allocate_resource(const std::string& resource_type) {
if (available_resources[resource_type] > 0) {
available_resources[resource_type]--;
return true;
}
return false;
}
void release_resource(const std::string& resource_type) {
if (available_resources[resource_type] < resources[resource_type]) {
available_resources[resource_type]++;
}
}
std::unordered_map<std::string, int> get_available_resources() {
return available_resources;
}
};
任务执行模块(Task Executor)
在不同的计算资源上执行任务。 处理任务的降级策略。
#include <thread>
#include <chrono>
class TaskExecutor {
private:
ResourceManager& resource_manager;
public:
TaskExecutor(ResourceManager& resource_manager) : resource_manager(resource_manager) {}
void execute_task(Task& task) {
std::string resource_type;
if (task.compute_intensity == "high") {
resource_type = "GPU";
} else if (task.compute_intensity == "medium") {
resource_type = "CPU";
} else {
resource_type = "TPU";
}
if (resource_manager.allocate_resource(resource_type)) {
std::cout << "Executing task " << task.id << " on " << resource_type << std::endl;
std::this_thread::sleep_for(std::chrono::seconds(2));
resource_manager.release_resource(resource_type);
std::cout << "Task " << task.id << " completed on " << resource_type << std::endl;
} else {
std::cout << "Resource " << resource_type << " not available for task " << task.id << std::endl;
if (resource_type == "GPU") {
resource_type = "CPU";
} else if (resource_type == "CPU") {
resource_type = "TPU";
}
if (resource_manager.allocate_resource(resource_type)) {
std::cout << "Executing task " << task.id << " on " << resource_type << " as fallback" << std::endl;
std::this_thread::sleep_for(std::chrono::seconds(2));
resource_manager.release_resource(resource_type);
std::cout << "Task " << task.id << " completed on " << resource_type << std::endl;
} else {
std::cout << "Task " << task.id << " could not be executed due to lack of resources" << std::endl;
}
}
}
};
数据传输模块(Data Transfer)
负责任务执行过程中数据的传输。 确保数据传输的高效性和可靠性。
#include <iostream>
#include <thread>
#include <chrono>
class DataTransfer {
public:
void transfer_data(const std::string& source, const std::string& destination, const std::string& data) {
std::cout << "Transferring data from " << source << " to " << destination << std::endl;
std::this_thread::sleep_for(std::chrono::seconds(1));
std::cout << "Data transfer complete: " << data << std::endl;
}
};
日志和监控模块(Logging and Monitoring)
记录系统运行日志。 实时监控系统状态,提供告警功能。
#include <iostream>
#include <unordered_map>
#include <string>
class LoggingAndMonitoring {
public:
void log(const std::string& message) {
std::cout << message << std::endl;
}
void monitor(const std::unordered_map<std::string, int>& system_status) {
std::cout << "Monitoring system status:" << std::endl;
for (const auto& resource : system_status) {
std::cout << resource.first << ": " << resource.second << std::endl;
}
}
};
综合示例
将上述模块集成到一个系统中,实现任务调度和执行的整体流程:
#include <iostream>
int main() {
// 初始化各模块
TaskScheduler task_scheduler;
ResourceManager resource_manager;
TaskExecutor task_executor(resource_manager);
DataTransfer data_transfer;
LoggingAndMonitoring logger;
// 添加任务
Task task1(1, "high");
Task task2(2, "medium");
Task task3(3, "low");
task_scheduler.add_task(task1);
task_scheduler.add_task(task2);
task_scheduler.add_task(task3);
// 执行任务
while (task_scheduler.has_tasks()) {
Task task = task_scheduler.get_next_task();
if (task.id == -1) {
break;
}
logger.log("Starting execution of task " + std::to_string(task.id));
task_executor.execute_task(task);
logger.log("Completed execution of task " + std::to_string(task.id));
// 模拟数据传输
data_transfer.transfer_data("source", "destination", "data for task " + std::to_string(task.id));
}
// 监控系统状态
logger.monitor(resource_manager.get_available_resources());
return 0;
}
此代码示例展示了如何使用 C++ 实现一个基本的高性能异构代码降级系统,包含任务调度、资源管理、任务执行、数据传输和日志监控模块。实际系统可能需要更多功能和更复杂的实现,但此示例为实现一个基础的系统提供了一个起点。