To use some other broad strokes.. Are there actually any large performance sensitive ruby projects? Python has quite a following in scientific computing and there are some people trying to do some large performance matters projects in python.
I can also tell you that the idea of simply using c for the slow parts is good but it's not too difficult to build a largish project in a dynamic language where that's very difficult. A high speed kernel with slow control plane can still be slow.
Pyston seems like it has some interesting goals and it might achieve them. There are some substantial ones they haven't addressed yet, cough Gil cough. If they are good, it'll just be a faster python, whereas pypy is very good and if the community embraces what they are doing, it's a new kid of thing.
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To use some other broad strokes.. Are there actually any large performance sensitive ruby projects? Python has quite a following in scientific computing and there are some people trying to do some large performance matters projects in python.
I can also tell you that the idea of simply using c for the slow parts is good but it's not too difficult to build a largish project in a dynamic language where that's very difficult. A high speed kernel with slow control plane can still be slow.
Pyston seems like it has some interesting goals and it might achieve them. There are some substantial ones they haven't addressed yet, cough Gil cough. If they are good, it'll just be a faster python, whereas pypy is very good and if the community embraces what they are doing, it's a new kid of thing.