Adding upstream version 115.7.0esr.upstream/115.7.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 239 insertions, 0 deletions

diff --git a/third_party/rust/smallbitvec/benches/bench.rs b/third_party/rust/smallbitvec/benches/bench.rs
new file mode 100644
index 0000000000..de44b6dc68
--- /dev/null
+++ b/third_party/rust/smallbitvec/benches/bench.rs
@@ -0,0 +1,239 @@
+// Copyright 2012-2014 The Rust Project Developers.
+// Copyright 2017 Matt Brubeck.
+// See the COPYRIGHT file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(test)]
+
+extern crate bit_vec;
+extern crate rand;
+extern crate smallbitvec;
+extern crate test;
+
+use std::hash::{Hash, Hasher};
+
+use bit_vec::BitVec;
+use rand::{weak_rng, Rng, XorShiftRng};
+use smallbitvec::SmallBitVec;
+use test::{black_box, Bencher};
+
+const BENCH_BITS: usize = 1 << 14;
+const USIZE_BITS: usize = ::std::mem::size_of::<usize>() * 8;
+
+fn rng() -> XorShiftRng {
+    weak_rng()
+}
+
+#[bench]
+fn bench_bit_set_big_fixed_bv(b: &mut Bencher) {
+    let mut r = rng();
+    let mut bit_vec = BitVec::from_elem(BENCH_BITS, false);
+    b.iter(|| {
+        for _ in 0..100 {
+            bit_vec.set((r.next_u64() as usize) % BENCH_BITS, true);
+        }
+        black_box(&bit_vec);
+    });
+}
+
+#[bench]
+fn bench_bit_set_big_fixed_sbv(b: &mut Bencher) {
+    let mut r = rng();
+    let mut bit_vec = SmallBitVec::from_elem(BENCH_BITS, false);
+    b.iter(|| {
+        for _ in 0..100 {
+            bit_vec.set(r.next_u64() as usize % BENCH_BITS, true);
+        }
+        black_box(&bit_vec);
+    });
+}
+
+#[bench]
+fn bench_big_set_big_variable_bv(b: &mut Bencher) {
+    let mut r = rng();
+    let mut bit_vec = BitVec::from_elem(BENCH_BITS, false);
+    b.iter(|| {
+        for _ in 0..100 {
+            bit_vec.set((r.next_u64() as usize) % BENCH_BITS, r.gen());
+        }
+        black_box(&bit_vec);
+    });
+}
+
+#[bench]
+fn bench_bit_set_big_variable_sbv(b: &mut Bencher) {
+    let mut r = rng();
+    let mut bit_vec = SmallBitVec::from_elem(BENCH_BITS, false);
+    b.iter(|| {
+        for _ in 0..100 {
+            bit_vec.set(r.next_u64() as usize % BENCH_BITS, r.gen());
+        }
+        black_box(&bit_vec);
+    });
+}
+
+#[bench]
+fn bench_bit_set_small_bv(b: &mut Bencher) {
+    let mut r = rng();
+    let mut bit_vec = BitVec::from_elem(USIZE_BITS, false);
+    b.iter(|| {
+        for _ in 0..100 {
+            bit_vec.set((r.next_u64() as usize) % USIZE_BITS, true);
+        }
+        black_box(&bit_vec);
+    });
+}
+
+#[bench]
+fn bench_bit_set_small_sbv(b: &mut Bencher) {
+    let mut r = rng();
+    let mut bit_vec = SmallBitVec::from_elem(USIZE_BITS, false);
+    b.iter(|| {
+        for _ in 0..100 {
+            bit_vec.set(r.next_u64() as usize % USIZE_BITS, true);
+        }
+        black_box(&bit_vec);
+    });
+}
+
+#[bench]
+fn bench_bit_vec_small_eq_bv(b: &mut Bencher) {
+    let x = BitVec::from_elem(USIZE_BITS, false);
+    let y = BitVec::from_elem(USIZE_BITS, false);
+    b.iter(|| x == y);
+}
+
+#[bench]
+fn bench_bit_vec_small_eq_sbv(b: &mut Bencher) {
+    let x = SmallBitVec::from_elem(USIZE_BITS, false);
+    let y = SmallBitVec::from_elem(USIZE_BITS, false);
+    b.iter(|| x == y);
+}
+
+#[bench]
+fn bench_bit_vec_big_eq_bv(b: &mut Bencher) {
+    let x = BitVec::from_elem(BENCH_BITS, false);
+    let y = BitVec::from_elem(BENCH_BITS, false);
+    b.iter(|| x == y);
+}
+
+#[bench]
+fn bench_bit_vec_big_eq_sbv(b: &mut Bencher) {
+    let x = SmallBitVec::from_elem(BENCH_BITS, false);
+    let y = SmallBitVec::from_elem(BENCH_BITS, false);
+    b.iter(|| x == y);
+}
+
+#[bench]
+fn bench_bit_vec_small_iter_bv(b: &mut Bencher) {
+    let bit_vec = BitVec::from_elem(USIZE_BITS, false);
+    b.iter(|| {
+        let mut sum = 0;
+        for _ in 0..10 {
+            for pres in &bit_vec {
+                sum += pres as usize;
+            }
+        }
+        sum
+    })
+}
+
+#[bench]
+fn bench_bit_vec_small_iter_sbv(b: &mut Bencher) {
+    let bit_vec = SmallBitVec::from_elem(USIZE_BITS, false);
+    b.iter(|| {
+        let mut sum = 0;
+        for _ in 0..10 {
+            for pres in &bit_vec {
+                sum += pres as usize;
+            }
+        }
+        sum
+    })
+}
+
+#[bench]
+fn bench_bit_vec_big_iter_bv(b: &mut Bencher) {
+    let bit_vec = BitVec::from_elem(BENCH_BITS, false);
+    b.iter(|| {
+        let mut sum = 0;
+        for pres in &bit_vec {
+            sum += pres as usize;
+        }
+        sum
+    })
+}
+
+#[bench]
+fn bench_bit_vec_big_iter_sbv(b: &mut Bencher) {
+    let bit_vec = SmallBitVec::from_elem(BENCH_BITS, false);
+    b.iter(|| {
+        let mut sum = 0;
+        for pres in &bit_vec {
+            sum += pres as usize;
+        }
+        sum
+    })
+}
+
+#[bench]
+fn bench_from_elem_bv(b: &mut Bencher) {
+    let cap = black_box(BENCH_BITS);
+    let bit = black_box(true);
+    b.iter(|| BitVec::from_elem(cap, bit));
+    b.bytes = cap as u64 / 8;
+}
+
+#[bench]
+fn bench_from_elem_sbv(b: &mut Bencher) {
+    let cap = black_box(BENCH_BITS);
+    let bit = black_box(true);
+    b.iter(|| SmallBitVec::from_elem(cap, bit));
+    b.bytes = cap as u64 / 8;
+}
+
+#[bench]
+fn bench_remove_small(b: &mut Bencher) {
+    b.iter(|| {
+        let mut v = SmallBitVec::from_elem(USIZE_BITS, false);
+        for _ in 0..USIZE_BITS {
+            v.remove(0);
+        }
+    });
+}
+
+#[bench]
+fn bench_remove_big(b: &mut Bencher) {
+    b.iter(|| {
+        let mut v = SmallBitVec::from_elem(BENCH_BITS, false);
+        for _ in 0..200 {
+            v.remove(0);
+        }
+    });
+}
+
+#[bench]
+fn bench_hash_small(b: &mut Bencher) {
+    let mut hasher = std::collections::hash_map::DefaultHasher::new();
+    let v = SmallBitVec::from_elem(USIZE_BITS, false);
+    b.iter(|| {
+        v.hash(&mut hasher);
+    });
+    black_box(hasher.finish());
+}
+
+#[bench]
+fn bench_hash_big(b: &mut Bencher) {
+    let mut hasher = std::collections::hash_map::DefaultHasher::new();
+    let v = SmallBitVec::from_elem(BENCH_BITS, false);
+    b.iter(|| {
+        v.hash(&mut hasher);
+    });
+    black_box(hasher.finish());
+}