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The '''C2''' was a crossbar-interconnected [[multiprocessor]] version of the C1, with up to 4 CPUs, released in 1988. It used newer [[ECL]] chips for a boost in clock speed from 10 MHz to 25 MHz, and rated at 50 MFLOPS peak for double precision per CPU (100 MFLOPS peak for single precision). This was followed by the '''C3''' in 1991, essentially similar to the C2 but with a faster clock and support for up to 8 CPUs. Various configurations of the C3 were offered, with between 50 to 240 MFLOPS per CPU. Another speed boost was planned for the '''C4''', which moved the hardware implementation to [[GaAs]]-based chips (following an evolution identical to that of the Cray machines), but the effort was scrapped.
Instead Convex introduced an entirely new design as the '''Exemplar'''. Unlike the C-series machine, the Exemplar was a parallel-computing machine based on off-the-shelf HP-PA [[RISC]] chips, connected together using [[Scalable Coherent Interconnect|SCI]]. First introduced in 1994, the Exemplar technology was generic enough that HP decided to buy Convex in order to sell the Exemplar machines directly.
[[Category:Supercomputers]]
[[Category:Defunct computer companies of the United States]]
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