Speed vinner uLink vs. LPT wiggler

Does anyone make comparation betwen uLink and LPT port wiggler circuit. Does the uLink faster?
Speed vinner uLink vs. LPT wiggler

Does anyone make comparation betwen uLink and LPT port wiggler circuit. Does the uLink faster?
What is the advantage of uint8_t over char or bool?

I have to migrate some C++ functions into a µVision project and usually you use uint8_t instead of char and bool. Is there any downside to using bool? I mean including the bool.h will not make the code...
Advantage of Zero register over the cost of implementing it ?

Hi, I've heard that the cost of implementing a register is more. In ARMv8 there is a Zero register XZR/WZR, so what is the benefit of implementing such a register over the cost of implementing it...
What is the advantage of uint8_t over char or bool?

I have to migrate some C++ functions into a µVision project and usually you use uint8_t instead of char and bool. Is there any downside to using bool? I mean including the bool.h will not make the code...