From the Web to the Grid – Feb 2006. TIFRAC – The Tata Institute of Fundamental Research Automatic Calculator The first full-scale, general purpose,

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Presentation transcript:

From the Web to the Grid – Feb 2006

TIFRAC – The Tata Institute of Fundamental Research Automatic Calculator The first full-scale, general purpose, electronic digital computer designed and built in India, the TIFRAC was completed in 1959 and commissioned in February The computer was designed by R. Narasimhan and built by a team of six people. TIFRAC was named in 1962, when India’s first Prime Minister, Jawaharlal Nehru, inaugurated the new buildings of the TIFR.

From the Web to the Grid – Feb 2006 TIFRAC Characteristics Pilot model, completed in November 1956: Ferrite core memory of 256 words, word length of 12 bits CPU was parallel, asynchronous, fixed point, single address I/O via paper tape and Teletype Total power consumption of 10kW Production Model: 2700 vacuum tubes, 1700 Germanium Diodes, 12,500 Resistors Ferrite core memory of 2048 words, 15μs cycle time, 40 bit word length (better than the IBM 701) I/O via paper tape and teletype, later completed by CRT display and tape storage Total power consumption of 20kW Operation: Used from 1960 to 1964 by many research scientists all over India Note: none of the team, apart from Narasimhan, had had any previous experience of using or operating a computer, let alone building one.

Public lecture by Dr. Wolfgang von Rüden CERN - Geneva (Switzerland) to the Grid From the Web Special thanks to R. Mondardini and F. Grey

From the Web to the Grid – Feb 2006 What I will talk about: What is the Internet? What is the Web? Why was it invented at CERN? What is the Grid? Why is the High Energy Physics community developing the Grid? Will the Grid be available to all of you?

From the Web to the Grid – Feb 2006

Why was the Web invented at CERN? Science depends on free access to information and exchange of ideas. CERN is the hub of a worldwide community of 6500 scientists in 80 countries. CERN has a long history of being at the forefront of scientific computing and networking (first lab on Internet outside the US). During the preparation of the previous large project LEP, the need to share documents in a global way became vital.

From the Web to the Grid – Feb 2006 How did it start? 1989: Tim Berners-Lee circulates “Information Management: A proposal” to help with future Large Hadron Collider project. 1991: Early www system released to high energy physics via the CERN program library. First web servers located in European physics laboratories. 1993: First Mosaic browser; web reaches 500 servers and 1% of Internet traffic; CERN places WWW in the public domain.

From the Web to the Grid – Feb 2006

Grid history Name “Grid” chosen by analogy with electric power grid (Foster and Kesselman 1997) Vision: plug-in computer for processing power just like plugging in toaster for electricity. Concept has been around for decades (distributed computing, metacomputing) Key difference with the Grid is to realise the vision on a global scale.

From the Web to the Grid – Feb 2006 How does the Grid work? It relies on advanced software, called middleware. Middleware automatically finds the data the scientist needs, and the computing power to analyse it. Middleware balances the load on different resources. It also handles security, accounting, monitoring and much more.

From the Web to the Grid – Feb 2006 Different Grids for different needs There is as yet no unified Grid (like there is a single web) rather there are many Grids for many applications. The word Grid is used to signify different types of distributed computing for example Enterprise Grids (within one company) and public resource Grids (volunteer your own PC). In this talk, focus is on scientific Grids that link together major computing centres in research labs and universities. Latest trend is to federate national Grids to achieve a global Grid infrastructure. High Energy Physics is a driving force for this.

From the Web to the Grid – Feb 2006

Why the Grid at CERN? CERN is the world's largest particle physics centre, and is building the world’s largest scientific instrument, the Large Hadron Collider (LHC) to answer fundamental questions about the Universe like: how did the Universe begin? what is the origin of mass? what is the nature of antimatter?

From the Web to the Grid – Feb 2006 CERN Site Mont Blanc, 4810 m Downtown Geneva LHC tunnel CERN

From the Web to the Grid – Feb 2006 The Large Hadron Collider (LHC) LHC is a new particle accelerator due to be switched on in 2007, colliding beams of protons at the highest energy ever. Using the latest superconducting technologies, it will operate at about -270°C, just above absolute zero. With its 27 km circumference, the accelerator will be the largest superconducting installation in the world. Four experiments, with detectors as ‘big as cathedrals’: ALICE, ATLAS, CMS, LHCb.

From the Web to the Grid – Feb 2006 View of the ATLAS detector (under construction) along the beam axis

From the Web to the Grid – Feb 2006 The LHC Data Challenge LHC experiments will produce million Gigabytes of data each year (about 20 million CDs!) LHC data analysis requires a computing power equivalent to ~ 100,000 of today's fastest PC processors. Requires many cooperating computer centres, CERN proving only ~20% of the CPU power

From the Web to the Grid – Feb 2006 CERN High-throughput computing based on reliable “commodity” technology More than 2500 dual processor PCs About 3 million Gigabytes of data on disk and tapes PROBLEM: nowhere near enough!

From the Web to the Grid – Feb 2006 Grid projects SOLUTION: use the Grid to unite computing resources of particle physics institutes around the world. CERN leads two major global Grid projects: WLCG: World-wide LHC Computing Grid Collaboration EGEE: Enabling Grid for E-sciencE project for all sciences

From the Web to the Grid – Feb 2006 The LHC Computing Grid project launched a service with 12 sites in Today 200 sites in 30 countries with 16,000 PCs. WLCG uses infrastructure of multi-science Grids EGEE and OSG India is establishing two regional centres to perform data analysis for two experiments EGEE launched in 2004, already supports 20 applications in six scientific domains (biomedicine, geophysics, quantum chemistry…) CERN’s LHC project cannot be done without the Grid

From the Web to the Grid – Feb 2006 India and the LHC India's collaboration with CERN currently involves some 130 people. Indian scientists are participating in the CMS and ALICE detectors. Indian engineers are playing a key role in LHC magnet testing. Indian industry is delivering state-of-the-art equipment. India is a partner in developing a global Grid for the LHC. May 25 th, 2005 Visit of Dr Avul Pakir Jainulabdeen Abdul Kalam - President of India

From the Web to the Grid – Feb 2006 Will the Grid be available to all of you? Hard to predict… Jules Piccard, a professor at the University of Basel, installed the first telephone in the city, around 1880, between his home and his institute. He showed it proudly to other scientists and got the comment: “Looks very good, but I doubt it will ever have any practical use”. "The world will only need five computers" attributed to Thomas J. Watson, IBM "640 kilobytes is all the memory you will ever need" attributed to Bill Gates, Microsoft "There is absolutely no need for a computer in the home" attributed to Ken Olsen, DEC (once a leading minicomputer manufacturer)

From the Web to the Grid – Feb 2006 Look at the Web In December 2005, the one-billionth user went online!

From the Web to the Grid – Feb 2006

Possible “first customers” for the Grid Disaster relief: Help government organisations share data and forecasting resources (earthquakes, floods) Education: Help students access large computing resources for educational purposes (shrink digital divide) Business: Help small companies access large computing resources for drug design, materials simulation etc.

From the Web to the Grid – Feb 2006 Medical/Healthcare Applications Digital image archives Collaborative virtual environments On-line clinical conferences “The Grid makes it possible to use large collections of images in new, dynamic ways, including medical diagnosis.” “The ability to visualise 3D medical images is key to the diagnosis of pathologies and pre- surgical planning” “The Grid will enable a standardized, distributed digital mammography resource for improving diagnostic confidence"

From the Web to the Grid – Feb 2006 Bioinformatics Analysing genetic and proteomic information Determining the development of an embryo Modelling drugs for diseases and genetic disorders “Every time a new genome is sequenced the result is compared in a variety of ways with other genomes. Each code is made of 3.5 billion pairs of chemicals…”

From the Web to the Grid – Feb 2006 Nanotechnology Computer-aided design of new functional materials Enable faster, cheaper discovery of new catalysts, metals, polymers, organic and inorganic materials “The Grid has the potential to store and analyze data on a scale that will support faster, cheaper synthesis of a whole range of new materials.”

From the Web to the Grid – Feb 2006 Conclusions Fundamental science is a driving force for new information technologies and international cooperation. From the Web to the Grid: we have come a long way in just over a decade, but this may just be the beginning! The Web has changed our world in science, commerce and society at large. Will the Grid have a similar impact? What do you think? Important issues for Grids, that I did not address: Security Business Model Reliability and simplicity of use

From the Web to the Grid – Feb 2006 For more information about the Grid: If you want to contribute to the LHC: Thank you for your kind attention! Thanks to TIFR for your kind hospitality!