Software developers often speak of "emberassingly parallel" tasks. Why is this adjective used in this phrase? What makes parallel tasks emberassing?
if something is embarrassingly easy, it is ridiculously easy, so much so that when you do it it feels like you are showing off.
In parallel computing, an embarrassingly parallel workload or problem (also called perfectly parallel or pleasingly parallel) is one where little or no effort is needed to separate the problem into a number of parallel tasks.
"Embarrassingly" is used here in the same sense as in the phrase "an embarrassment of riches", meaning an overabundance—here referring to parallelization problems which are "embarrassingly easy"
An alternative term, pleasingly parallel, has gained some use, perhaps to avoid the negative connotations of embarrassment in favor of a positive reflection on the parallelizability of the problems: "Of course, there is nothing embarrassing about these programs at all.
an embarrassment of riches formal so many good things or people that it is impossible to decide which of them you want