Micros optimised for RTOS

Hi,
just a curiosity, are there any 32-bits microcontrollers whose hardware architecture is designed or optimised for RTOS usage (perhaps high speed fewer instructions context switching)?

If so, which families/manufacturers?

And is the gain large or only small?

Thank you

https://www.renesas.com/us/en/software-tool/hw-rtos

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Interesting, thank you Richard.

ARM Cortex M microprocessor family:

Every major firm has its own line of microcontrollers featuring such core: LPC from NXP, SAM from Atmel, STM32 from ST, and so on.

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Thank you Xavier ! :slight_smile: