This presentation has some nice illustrations: http://www.filpizlo.com/slides/pizlo-dls2017-vmil2017-jscvm-slides.pdf http://www.filpizlo.com/slides/pizlo-dls20

This presentation has some nice illustrations: http://www.filpizlo.com/slides/pizlo-dls2017-vmil2017-jscvm-slides.pdf http://www.filpizlo.com/slides/pizlo-dls2017-vmil2017-jscvm-... (under “JSC Object Model”).