I'm curious to understand the intricacies of modern computer architectures. Specifically, I've heard that some processors can have multiple threads per core. But does this mean that a single core can indeed handle four separate threads simultaneously? Wouldn't that require more than one execution unit within the core? How does the operating system and processor management software ensure that these threads are efficiently scheduled and executed? Is there a significant performance difference between a true multi-core setup and a single core with multiple threads? What are the trade-offs to consider when deciding between the two?
7 answers
KimonoElegance
Thu Jul 04 2024
Some advanced processors are capable of supporting significantly more concurrent threads.
SumoStrength
Thu Jul 04 2024
The determination of the number of concurrent threads lies in the hands of chip designers.
lucas_emma_entrepreneur
Thu Jul 04 2024
A common practice is to have two concurrent threads per CPU core, though this varies depending on the processor.
Valentina
Wed Jul 03 2024
Measuring or agreeing on the effectiveness of having multiple concurrent threads can be a complex task, as it requires balancing the benefits of increased parallelism with the drawbacks of resource contention.
Pietro
Wed Jul 03 2024
The addition of multiple threads within a CPU core is done to increase efficiency and performance.