北京大学：《信息检索》课程PPT课件讲稿（自然语言处理）05 Infrastructure and Cloud

NC&IS Infrastructure and Cloud The CCF Advanced Disciplines Lectures 彭波 pb@net.pku.edu.cn 北京大学信息科学技术学院 6/27/2010

Infrastructure and Cloud The CCF Advanced Disciplines Lectures 彭波 pb@net.pku.edu.cn 北京大学信息科学技术学院 6/27/2010

Cloud,what's matter with ME?! What you want to do with 1000pcs,or even 100,000pcs?

Cloud, what’s matter with ME?! ◼ What you want to do with 1000pcs, or even 100,000 pcs?

NC&IS Stories of the Cloud

Stories of the Cloud…

A Picture is Worth... Thu Aug1400:00:00PDT2003

A Picture is Worth…

The Information Factories Googleplex servers number 450,000, Google according to the lowest 6m阳A0知 estimate 200 petabytes of hard disk storage ·four petabytes of RAM To handle the current load of 100 million queries a day, input-output bandwidth must be in the neighborhood of 3 petabits per second

The Information Factories ◼ Googleplex ◼ servers number 450,000, according to the lowest estimate ◼ 200 petabytes of hard disk storage ◼ four petabytes of RAM ◼ To handle the current load of 100 million queries a day, ◼ input-output bandwidth must be in the neighborhood of 3 petabits per second

The Supercomputer that Connects Everything and Everyone LARRY PAGE: And,actually,the ultimate search engine,which would understand,you know,exactly what you wanted when you typed in a query,and it would give you the exact right thing back, in computer science we call that artificial intelligence. That means it would be smart,and we're a long ways from having smart computers

The Supercomputer that Connects Everything and Everyone ◼ LARRY PAGE : ◼ And, actually, the ultimate search engine, which would understand, you know, exactly what you wanted when you typed in a query, and it would give you the exact right thing back, ◼ in computer science we call that artificial intelligence. ◼ That means it would be smart, and we're a long ways from having smart computers

The Prototype(1995)

The Prototype (1995)

Early Google System 990 37 961 965 969

Early Google System

Spring 2000 Design

Spring 2000 Design

Late 2000 Design

Late 2000 Design