Upcoming ATOLL presentations
There are four presentations about different aspects of ATOLL on upcoming conferences. We would be very pleased to welcome you at any of these events:
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- Date
- May 1-5, 2000
- Location
- Cancun, Mexico
- Workshop
- PC NOW
- Title
- ATOLL, a New Switched, High Speed Interconnect in Comparison to Myrinet and SCI
- Abstract
- While standard processors achieve supercomputer performance, a performance gap exists between the interconnect of MPP's and COTS. Standard solutions like Ethernet can not keep up with the demand for high speed communication of todays powerful CPU's. Hence, high speed interconnects have an important impact on a cluster's performance. While standard solutions for processing nodes exist, communication hardware is currently only available as a special, expensive non portable solution.
ATOLL presents a switched, high speed interconnect, which fulfills the current needs for user level communication and concurrency in computation and communication. ATOLL is a single chip solution, additional switching hardware is not required.
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- Date
- May 8-10, 2000
- Location
- Amsterdam, Netherlands
- Workshop
- Cluster Computing
- Title
- Clustering SMP Nodes with the ATOLL Network: A Look into the Future of System Area Networks
- Abstract
- Though several System Area Networks (SAN) are available to enhance the communication performance of a cluster, none of them has taken yet into account the special needs of clusters built out of SMP machines. Since single-CPU computers will be more and more replaced by small-scale SMP systems in the near future, an appropriate cluster interconnect should be adopted to the needs of multi-CPU nodes.
In this paper, we investigate the properties of the ATOLL SAN, which offers with its four replicated network interfaces (NI), the integrated 8x8 switch and its four links the possibility to boost the total communication performance and message throughput inside a SMP node. As the chip design is in its final stage at the time of writing, we use detailed simulations of all hard- and software components to precisely predict the performance of the ATOLL SAN and show that ATOLL is capable of serving efficiently several message transfers at a time while eliminating the need to multiplex the network interface in software.
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- Date
- May 14-17, 2000
- Location
- Peking, P.R. China
- Session
- Interconnection Networks
- Title
- ATOLL - A Next Generation System Area Network
- Abstract
- ATOLL (Atomic Low Latency) is the synonym for a new cluster technology centered around an ASIC chip design integrating all logic parts of a complete System Area Network. Besides its unique architecture ATOLL extends the hardware support for data transfer over the network to a limit, thus reducing communication latencies and enhancing concurrency.
This paper presents the chip's key functionality - the mechanisms for the send- and receive-operations - in detail, but also illuminates some of the features newly invented with ATOLL. The latter cover such different items as an advanced interface for direct support of user-level communication, special locking modes allowing atomic access or techniques to clear network blocking - all intended to overcome the drawbacks of current SAN implementations.
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- Date
- May 14-17, 2000
- Location
- Peking, P.R. China
- Symposium
- APSCC 2000
- Title
- Impact of Configurable Network Features in ATOLL
- Abstract
- ATOLL (Atomic Low Latency) is a new high speed interconnect solution for cluster computing. It is equipped with a fully integrated network on a chip, which is currently a unique feature. Therefore hostinterface, network interface and switch come as one, integrated, single solution. Moreover, the network interface card allows for dynamic re-configuration during runtime. This includes dynamic profiling as well as dynamic (wormhole) routing. Last but not least, one hostinterface can be set up to allow for zero copy data transfers. This paper describes configurable network features in ATOLL and how applications and software libraries can benefit from them.
Thanks for your interest,
The ATOLL Team
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