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Investigations that analyze the time an operating system takes to schedule, interrupt and "context-switch" to another process or job have helped developers produce highly optimized and tuned operating systems that can provide more than 99% sustained processor use for most uniprocessor applications. However, when these operating systems are installed on CPUs… (More)
Server network performance is increasingly dominated by poorly scaling operations such as I/O bus crossings, cache misses and interrupts. Their overhead prevents performance from scaling even with increased CPU, link or I/O bus bandwidths. These operations can be reduced by redesigning the host/adapter interface to exploit additional processing on the… (More)
Commodity workstations have adapted to standard UNIX like environments to allow scientists to efficiently develop and port applications across systems. UNIX based environments, such as IBM's AIX, furnishes such an operating environment while providing efficient uni-processor utilization for user code execution. When these machines are interconnected with a… (More)
Although there exist accelerator products to increase throughput of encrypted transactions produced by an In-ternet HTTP server, there are no current architectures that provide a truly coordinated and scalable solution for Secure Socket Layer (SSL) encrypted communications. This paper presents an architecture that facilitates high volume SSL Internet… (More)
LIMITED DISTRIBUTION NOTICE: This report has been submitted for publication outside of IBM and will probably be copyrighted if accepted for publication. It has been issued as a Research Report for early dissemination of its contents. In view of the transfer of copyright to the outside publisher, its distribution outside of IBM prior to publication should be… (More)
the a) draw task and the b) copy task.