De-abstract std::sort:qsort3, which uses only the trait-based lt/eq.#3293
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De-abstract std::sort:qsort3, which uses only the trait-based lt/eq.#3293jld wants to merge 1 commit into
jld wants to merge 1 commit into
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quick_sort3 was converted from fn parameters to traits in d9cddde, but was still passing around closures over core::cmp::{eq,lt} internally, and LLVM doesn't and/or can't pick up that they're effectively constant. Reduces time spent to sort a large random ~[uint] by 16% in my testing.
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Keep leading colons for global paths
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quick_sort3 was converted from fn parameters to traits in d9cddde, but
was still passing around closures over core::cmp::{eq,lt} internally,
and LLVM doesn't and/or can't pick up that they're effectively constant.
Reduces time spent to sort a large random ~[uint] by 16% in my testing.