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- W4376456509 abstract "In most programming languages, data is organized in structures that are explicitly mapped to machine words each containing a fixed number of bits. For example, a C variable declared as an int might be specified to be represented by a 32-bit word. Given computer hardware in which data are organized as fixed-size words, this seems intuitive and efficient. However, if the integer is known to always have a value between 0 and 100, at most only seven of those 32 bits are needed; the other 25 bits are always 0. Programming languages like C allow integer variables to be declared as having any of several bit precisions, so declaring the variable as uint8_t could reduce waste to just one bit. The catch is the index is only seven bits long when it holds a value greater than 63. Operating on more bits than necessary dramatically increases both the storage space and the number of gate operations needed to perform operations like addition or multiplication. The solution proposed here is to implement a programming model in which integer and floating-point variables are represented by just enough bits to represent the values they contain at that moment in execution. The overhead involved in dynamically adjusting precision is significant, thus it is only used for SIMD-parallel variables implemented using the PBP execution model." @default.
- W4376456509 created "2023-05-14" @default.
- W4376456509 creator A5020724879 @default.
- W4376456509 date "2023-01-01" @default.
- W4376456509 modified "2023-10-01" @default.
- W4376456509 title "Wordless Integer and Floating-Point Computing" @default.
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- W4376456509 doi "https://doi.org/10.1007/978-3-031-31445-2_7" @default.
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