> I think it requires a jvm mindset, warmup once and iterate inside rather than outside.
I do not have this mindset then. I prefer tools who are mindset oblivious. They are really useful!
For example, imagine I have a collection of a few hundred images with their projection matrices (in text files). I want to crop them and apply a simple imagemagick operation (which is not available from inside julia). The elementary solution is to run a shell loop to apply the crop, and call julia to perform a simple adaptation of each projection matrix. This is impossible today: most of the running time of such loop is spent on julia initialization. Half a second to do nothing is simply unacceptable in a serious scripting language.
I do not have this mindset then. I prefer tools who are mindset oblivious. They are really useful!
For example, imagine I have a collection of a few hundred images with their projection matrices (in text files). I want to crop them and apply a simple imagemagick operation (which is not available from inside julia). The elementary solution is to run a shell loop to apply the crop, and call julia to perform a simple adaptation of each projection matrix. This is impossible today: most of the running time of such loop is spent on julia initialization. Half a second to do nothing is simply unacceptable in a serious scripting language.