From 2932d4e63493378710bb0aa27187e8dd33260c4a Mon Sep 17 00:00:00 2001
From: Ivan Tham <pickfire@riseup.net>
Date: Thu, 20 Aug 2020 15:20:46 +0800
Subject: [PATCH 1/2] Remove duplicated alloc vec bench push_all_move

push_all_move is the same as extend
---
 library/alloc/benches/vec.rs | 49 ------------------------------------
 1 file changed, 49 deletions(-)

diff --git a/library/alloc/benches/vec.rs b/library/alloc/benches/vec.rs
index a3da9e80cd0..b91138818e5 100644
--- a/library/alloc/benches/vec.rs
+++ b/library/alloc/benches/vec.rs
@@ -262,55 +262,6 @@ fn bench_push_all_1000_1000(b: &mut Bencher) {
     do_bench_push_all(b, 1000, 1000)
 }
 
-fn do_bench_push_all_move(b: &mut Bencher, dst_len: usize, src_len: usize) {
-    let dst: Vec<_> = FromIterator::from_iter(0..dst_len);
-    let src: Vec<_> = FromIterator::from_iter(dst_len..dst_len + src_len);
-
-    b.bytes = src_len as u64;
-
-    b.iter(|| {
-        let mut dst = dst.clone();
-        dst.extend(src.clone());
-        assert_eq!(dst.len(), dst_len + src_len);
-        assert!(dst.iter().enumerate().all(|(i, x)| i == *x));
-    });
-}
-
-#[bench]
-fn bench_push_all_move_0000_0000(b: &mut Bencher) {
-    do_bench_push_all_move(b, 0, 0)
-}
-
-#[bench]
-fn bench_push_all_move_0000_0010(b: &mut Bencher) {
-    do_bench_push_all_move(b, 0, 10)
-}
-
-#[bench]
-fn bench_push_all_move_0000_0100(b: &mut Bencher) {
-    do_bench_push_all_move(b, 0, 100)
-}
-
-#[bench]
-fn bench_push_all_move_0000_1000(b: &mut Bencher) {
-    do_bench_push_all_move(b, 0, 1000)
-}
-
-#[bench]
-fn bench_push_all_move_0010_0010(b: &mut Bencher) {
-    do_bench_push_all_move(b, 10, 10)
-}
-
-#[bench]
-fn bench_push_all_move_0100_0100(b: &mut Bencher) {
-    do_bench_push_all_move(b, 100, 100)
-}
-
-#[bench]
-fn bench_push_all_move_1000_1000(b: &mut Bencher) {
-    do_bench_push_all_move(b, 1000, 1000)
-}
-
 fn do_bench_clone(b: &mut Bencher, src_len: usize) {
     let src: Vec<usize> = FromIterator::from_iter(0..src_len);
 

From 4f2e182c5f12811689541eaed2d68014aab29eb1 Mon Sep 17 00:00:00 2001
From: Ivan Tham <pickfire@riseup.net>
Date: Thu, 20 Aug 2020 19:04:52 +0800
Subject: [PATCH 2/2] Liballoc bench rename push_all extend_from_slice

---
 library/alloc/benches/vec.rs | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/library/alloc/benches/vec.rs b/library/alloc/benches/vec.rs
index b91138818e5..4e71eec03e5 100644
--- a/library/alloc/benches/vec.rs
+++ b/library/alloc/benches/vec.rs
@@ -213,7 +213,7 @@ fn bench_extend_1000_1000(b: &mut Bencher) {
     do_bench_extend(b, 1000, 1000)
 }
 
-fn do_bench_push_all(b: &mut Bencher, dst_len: usize, src_len: usize) {
+fn do_bench_extend_from_slice(b: &mut Bencher, dst_len: usize, src_len: usize) {
     let dst: Vec<_> = FromIterator::from_iter(0..dst_len);
     let src: Vec<_> = FromIterator::from_iter(dst_len..dst_len + src_len);
 
@@ -228,38 +228,38 @@ fn do_bench_push_all(b: &mut Bencher, dst_len: usize, src_len: usize) {
 }
 
 #[bench]
-fn bench_push_all_0000_0000(b: &mut Bencher) {
-    do_bench_push_all(b, 0, 0)
+fn bench_extend_from_slice_0000_0000(b: &mut Bencher) {
+    do_bench_extend_from_slice(b, 0, 0)
 }
 
 #[bench]
-fn bench_push_all_0000_0010(b: &mut Bencher) {
-    do_bench_push_all(b, 0, 10)
+fn bench_extend_from_slice_0000_0010(b: &mut Bencher) {
+    do_bench_extend_from_slice(b, 0, 10)
 }
 
 #[bench]
-fn bench_push_all_0000_0100(b: &mut Bencher) {
-    do_bench_push_all(b, 0, 100)
+fn bench_extend_from_slice_0000_0100(b: &mut Bencher) {
+    do_bench_extend_from_slice(b, 0, 100)
 }
 
 #[bench]
-fn bench_push_all_0000_1000(b: &mut Bencher) {
-    do_bench_push_all(b, 0, 1000)
+fn bench_extend_from_slice_0000_1000(b: &mut Bencher) {
+    do_bench_extend_from_slice(b, 0, 1000)
 }
 
 #[bench]
-fn bench_push_all_0010_0010(b: &mut Bencher) {
-    do_bench_push_all(b, 10, 10)
+fn bench_extend_from_slice_0010_0010(b: &mut Bencher) {
+    do_bench_extend_from_slice(b, 10, 10)
 }
 
 #[bench]
-fn bench_push_all_0100_0100(b: &mut Bencher) {
-    do_bench_push_all(b, 100, 100)
+fn bench_extend_from_slice_0100_0100(b: &mut Bencher) {
+    do_bench_extend_from_slice(b, 100, 100)
 }
 
 #[bench]
-fn bench_push_all_1000_1000(b: &mut Bencher) {
-    do_bench_push_all(b, 1000, 1000)
+fn bench_extend_from_slice_1000_1000(b: &mut Bencher) {
+    do_bench_extend_from_slice(b, 1000, 1000)
 }
 
 fn do_bench_clone(b: &mut Bencher, src_len: usize) {