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Talking about HPC
To understand where the High Performance Computing (HPC) paradigm is headed, it is useful to understand its history. High performance in computing comes from parallelism and faster and denser circuitry. Seymour Cray was a pioneer in this field and introduced the first production supercomputers in the 1960s (CDC 6600) and 1970s (Cray 1). Cray Research established the modern-day supercomputer architecture through multiprocessor (XMP) architecture and the vector processor. Other computer manufacturers adopted this architecture in the early 1980s.
It became evident with the advent of the modern microprocessor that clusters of microprocessors would challenge the dominance of vector supercomputers. In the second half of the 1980s, Encore and Sequent were building shared-memory systems that created a shared bus so that any of the microprocessors could access all of the memory in the system. By 2001, clusters and shared-memory systems based on microprocessors constituted 90% of the Top 500 machines, compared to 10% for vector-based machines.
An interesting article talking about HPC/Grid computing and the way forward. Certainly virtualization of the server hardware is the first step, we need to be moving on to virtualization of the application, the storage and the network. Recognizing which applications can be easily adapted or ported
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