谷歌开发并开源的强大内存测试工具，对比memtest更侧重于测试内存接口性能测试，适合测试系统平台内存稳定性-Google develop a powerful memory and open source test tools, test contrast memtest memory interface is more focused on performance testing, system platform for testing memory stability

stress源码 用于内存压力测试，性能测试，google官方工具(stress source code use for test memory)