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The SH4 is the latest SH series microprocessor. It achieives 360 MIPS and 1.4 GFLOPS at 200 MHz. Its architectural enhancement is based on two-way superscalar issue of instructions, separate instruction and data caches, and early stage branches. The main target applications of the SH4 are consumer multimedia systems, such as home video games and handheld PCs. The unique floating-point vector instructions are more effective than the conventional SIMD architecture for 3D graphics processing.
Microprocessor, 3D graphics, floating-point, superscalar, inner-product

N. Nakagawa, O. Nishii, F. Arakawa and K. Uchiyama, "SH4 RISC Multimedia Microprocessor," in IEEE Micro, vol. 18, no. , pp. 26-34, 1998.
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