What is speculation as it relates to parallelization? O It is the set of instructions that issues together in one clock cycle and the packet may be determined statically by the compiler or dynamically by the processor. It is a style of instruction set architecture that launches many operations that are defined to be independent in a single wide instruction, typically with many separate opcode fields. O It is the number of clock cycles between a load instruction and an instruction that can use the result of the load without stalling the pipeline. O It is an approach whereby the compiler or processor guesses the outcome of an instruction to remove it as a dependence in executing other instructions

What is speculation as it relates to parallelization? O It is the set of instructions that issues together in one clock cycle and the packet may be determined statically by the compiler or dynamically by the processor. It is a style of instruction set architecture that launches many operations that are defined to be independent in a single wide instruction, typically with many separate opcode fields. O It is the number of clock cycles between a load instruction and an instruction that can use the result of the load without stalling the pipeline. O It is an approach whereby the compiler or processor guesses the outcome of an instruction to remove it as a dependence in executing other instructions

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Chapter1: Introduction

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18
What is speculation as it relates to parallelization?
It is the set of instructions that issues together in one clock cycle and the packet may be determined statically by the compiler or dynamically by the processor.
It is a style of instruction set architecture that launches many operations that are defined to be independent in a single wide instruction, typically with many separate opcode fields.
It is the number of clock cycles between a load instruction and an instruction that can use the result of the load without stalling the pipeline.
O It is an approach whereby the compiler or processor guesses the outcome of an instruction to remove it as a dependence in executing other instructions.

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Part 1: Registers of Different Sizes Registers are fast, but small memory locations that are inside of a CPU. They are used for the CPU's internal computations. A modern 32-bit CPU only contains 8 registers that we are capable of manipulating: EAX, EBX, ECX, EDX, EBP, ESP, ESI, and EDI. Each of these is a 32-bit register (meaning they each hold 32 digit binary numbers). There are many situations where we would want to use smaller portions of data than 32 bits. For example, when working with characters we are primarily using byte data, since each character is stored in just a single byte (which you should know is 8 bits). For this purpose, portions of the 32-bit registers can be referenced directly as if they were smaller registers. The register EAX holds 32-bits. The register AX is the bottom half of EAX, holding just 16 bits. The register AL is the bottom half of AX, holding just 8 bits. There is also AH, which is the top half of AX and also holds 8 bits. EBX, ECX, and EDX can also be…