HyperthreadingĪnother thing to consider is how Intel Hyperthreading (HT) and AMD SMT work. This can be useful if you want to measure something else while your system is under different levels of CPU load. Using this method lets you generate a pretty precise and repeatable partial CPU load on your system. Stressing your CPU helps you figure out how effective your CPU and case cooling are and whether you see any clock speed decreases due to power or thermal throttling. Depending on your hardware, this will usually generate a lot of noise and heat. By default, this test will immediately peg all of your CPU logical cores at 100%. There is also a Stress CPU button that will run the CPU Multi Thread test indefinitely. Running the Bench CPU test gives you a very quick and dirty view of your single-threaded CPU performance (how fast is your CPU) and your multi-threaded CPU performance (how much CPU capacity do you have). You run the benchmark test by pressing the Bench CPU button. You can choose from three different benchmark tests, but most people seem to use the default Version 17.01.64 test. The Bench tab on CPU-Z lets you run a twenty second CPU benchmark that first tests your CPU multi-thread performance and then tests your CPU single-thread performance. This is something I have been doing a lot of lately. The focus of this post is using CPU-Z for load generation, either with all threads or a limited number of threads. Another valuable use case for this tool is using CPU-Z for load generation. It is usually used to gather detailed information about your CPU, motherboard, BIOS, RAM, and GPU configuration. CPU-Z is a very useful free utility that has been around for many years.
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