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Recent OpenGL ES 2.0 API Specification for embedded systems graphics operations requires programmable vertex shader and fragment shader to process vertex and pixel data. Calculation of dot-product for two vectors and transcendental functions for a scalar are two fundamental arithmetic operations in the vertex processing. Since some complicated arithmetic operations in binary number system (BNS) turn...
Decimal multiplication is an integral part of financial, commercial, and internet-based computations. This paper presents a novel double digit decimal multiplication (DDDM) technique that offers low latency and high throughput. This design performs two digit multiplications simultaneously in one clock cycle. Double digit fixed point decimal multipliers for 7digit, 16 digit and 34 digit are simulated...
This paper presents a multi-precision floating-point adder that can perform a high-precision floating-point addition, or multiple low-precision floating-point additions in parallel. The proposed design eliminates time consuming format conversion operations when it is operating in low-precision modes. The proposed multi-precision floating-point adder has delay approximately equal to a standard double-precision...
Floating-point adders use double-path structure to reduce the latency. In the present implementation there are two paths: NORMALIZING and ROUNDING. The NORMALIZING path includes significand adder, normalization shift amount generator, normalizer, result exponent correction adder. The MSBs of the shift amount for result normalization are anticipated, and the LSBs of the shift amount are detected. Both...
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