Table of Contents
What is a pipeline in CPU?
Pipelining is the process of accumulating instruction from the processor through a pipeline. It allows storing and executing instructions in an orderly process. It is also known as pipeline processing. Pipelining is a technique where multiple instructions are overlapped during execution.
What is CPU pipelining and hyper threading?
Pipelining works on a single thread, hyperthreading works on multiple threads. In pipelining the CPU tries to do multiple things for the same thread at once.
What is the relationship between cores and threads?
Cores increase the amount of work accomplished at a time, whereas threads improve throughput, computational speed-up. Cores is an actual hardware component whereas thread is a virtual component that manages the tasks. Cores use content switching while threads use multiple CPUs for operating numerous processes.
What is the relation between threads and processes?
Process means a program is in execution, whereas thread means a segment of a process. A Process is not Lightweight, whereas Threads are Lightweight. A Process takes more time to terminate, and the thread takes less time to terminate. Process takes more time for creation, whereas Thread takes less time for creation.
What is in a pipeline?
Oil pipelines are made from steel or plastic tubes which are usually buried. The oil is moved through the pipelines by pump stations along the pipeline. Natural gas (and similar gaseous fuels) are pressurized into liquids known as Natural Gas Liquids (NGLs). Natural gas pipelines are constructed of carbon steel.
Does CPU support Hyper Threading?
If the number of logical processors is greater than physical processors (cores), then hyperthreading is enabled. Go to BIOS option and check Hyper-Threading option is available.. Most of the system are comes with Hyper-Threading disabled in default. So, Enable it.
Can two threads read the same variable?
Even though the variable is not currently being written to, previous writes to the variable may not yet be visible to all threads. This means two threads can read the same value and get different results creating a race condition.