Why Won’t My Program use More than 25% of the CPU?
⏱️ Multi-core processors add an additional layer of complexity to software design. Occasionally that can manifest as only a portion of the CPU being used.
⏱️ 25% CPU usage
Multi-core machines have multiple CPUs on a single processor. This adds complexity to software design, and many applications are not written to take advantage of it, thus using only a single core. This manifests as processor intensive operations maxing out at 25% CPU usage on a quad-core system.
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Chapters
0:00 My Program Uses Only 25% of the CPU
1:19 Definition: core
3:20 What it means to be processor intensive
4:45 Multiple cores
5:15 Multi-core software
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