For this, the XGBoost machine learning model, optimized with Bayesian techniques, is executed in a Graphics Processing Unit, which drastically reduces execution time. 
XGBoost
Using Bayesian Optimization and Wavelet Decomposition in GPU for Arterial Blood Pressure Estimation.Continuous monitoring of arterial blood pressure (ABP) of patients in hospital is currently carried out in an invasive way, which could represent a risk for them. 
Bayesian Optimization