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| author | bors <bors@rust-lang.org> | 2013-04-29 18:24:37 -0700 |
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| committer | bors <bors@rust-lang.org> | 2013-04-29 18:24:37 -0700 |
| commit | 868b7c153ce6797c768cc2c43a564f34615f6f2d (patch) | |
| tree | 0f8cfeca16e6d929fabd3c387295d08669e9fa86 /src/rt/rust_run_program.cpp | |
| parent | f1ddb8d5cc66941763039d3f727465b7cc34a100 (diff) | |
| parent | d4b934bdce53107a0270f97985bc3152c638183e (diff) | |
| download | rust-868b7c153ce6797c768cc2c43a564f34615f6f2d.tar.gz rust-868b7c153ce6797c768cc2c43a564f34615f6f2d.zip | |
auto merge of #6073 : huonw/rust/core-rust-isaac, r=pcwalton
This replaces the wrapper around the runtime RNG with a pure Rust implementation of the same algorithm. This is much faster (up to 5x), and is hopefully safer. There is still (a little) room for optimisation: testing by summing 100,000,000 random `u32`s indicates this is about ~~40-50%~~ 10% slower than the pure C implementation (running as standalone executable, not in the runtime). (Only 6d50d55 is part of this PR, the first two are from #6058, but are required for the rt rng to be correct to compare against in the tests.)
Diffstat (limited to 'src/rt/rust_run_program.cpp')
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