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Bend: a high-level language that runs on GPUs (via HVM2)

github.com

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Re: Bend: a high-level language that runs on GPUs (via HVM2)

#42
post #29

Looks cool but what's one toy problem that it can solve more efficiently than others?

This is unproven (and not a toy problem), but I imagine it's going to do pretty well at compilers. The amount of time I'm waiting at work, hypnotizing the tsc process that sits at 100% CPU, wishing it was parallel...

Re: Bend: a high-level language that runs on GPUs (via HVM2)

#48

What's going on with the super-linear speedup going from one thread to all 16? 210 seconds (3.5 minutes) to 10.5 seconds is a 20x speedup, which isn't really expected.

Its possible to see such scaling if involving any level of cache or I/O.

Re: Bend: a high-level language that runs on GPUs (via HVM2)

#50

What's going on with the super-linear speedup going from one thread to all 16? 210 seconds (3.5 minutes) to 10.5 seconds is a 20x speedup, which isn't really expected.

the single-thread case ran a little slower than it should on this live demo due to a mistake on my part: `run` redirected to the Rust interpreter, rather than the C interpreter. the Rust one is a little bit slower. the numbers on the site and on all docs are correct though, and the actual speedup is ~12x, not ~16x.
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