Changed to Sync pool model

Cargo.toml

@@ -1,9 +1,8 @@
 [package]
 name = "scoped_threadpool"
 version = "0.1.6"
-authors = ["Marvin Löbel <[email protected]>"]
+authors = ["Marvin Löbel <[email protected]>", "Popog"]
 license = "MIT"
-build = "build.rs"
 
 description = "A library for scoped and cached threadpools."
 readme = "README.md"
@@ -12,11 +11,8 @@ documentation = "http://kimundi.github.io/scoped-threadpool-rs/scoped_threadpool
 repository = "https://github.com/Kimundi/scoped-threadpool-rs"
 keywords = ["thread", "scoped", "pool", "cached", "threadpool"]
 
-[build-dependencies]
-rustc_version = "0.1"
-
-[dev-dependencies]
-lazy_static = "*"
+[dependencies]
+crossbeam = "0.2.4"
 
 [features]
 nightly = []

README.md

@@ -32,7 +32,7 @@ use scoped_threadpool::Pool;
 
 fn main() {
     // Create a threadpool holding 4 threads
-    let mut pool = Pool::new(4);
+    let pool = Pool::new(4);
 
     let mut vec = vec![0, 1, 2, 3, 4, 5, 6, 7];
 
@@ -41,13 +41,11 @@ fn main() {
     pool.scoped(|scoped| {
         // Create references to each element in the vector ...
         for e in &mut vec {
-            // ... and add 1 to it in a seperate thread
+            // ... and add 1 to it in a separate thread
             // (execute() is safe to call in nightly)
-            unsafe {
-                scoped.execute(move || {
-                    *e += 1;
-                });
-            }
+            scoped.execute(move || {
+                *e += 1;
+            });
         }
     });
 

benches/lib.rs

@@ -0,0 +1,125 @@
+#![feature(test)]
+#![feature(const_fn)]
+
+extern crate test;
+#[macro_use]
+extern crate scoped_threadpool;
+
+use self::test::{Bencher, black_box};
+use scoped_threadpool::{Pool, Anchored};
+
+// const MS_SLEEP_PER_OP: u32 = 1;
+
+fn fib(n: u64) -> u64 {
+    let mut prev_prev: u64 = 1;
+    let mut prev = 1;
+    let mut current = 1;
+    for _ in 2..(n+1) {
+        current = prev_prev.wrapping_add(prev);
+        prev_prev = prev;
+        prev = current;
+    }
+    current
+}
+
+fn threads_interleaved_n(pool: &Pool)  {
+    let size = 1024; // 1kiB
+
+    let mut data = vec![1u8; size];
+    pool.scoped(|s| {
+        for e in data.iter_mut() {
+            s.execute(move || {
+                *e += fib(black_box(1000 * (*e as u64))) as u8;
+                for i in 0..10000 { black_box(i); }
+                //thread::sleep_ms(MS_SLEEP_PER_OP);
+            });
+        }
+    });
+}
+
+#[bench]
+fn threads_interleaved_1(b: &mut Bencher) {
+    let pool = Pool::new(1);
+    b.iter(|| threads_interleaved_n(&pool))
+}
+
+#[bench]
+fn threads_interleaved_2(b: &mut Bencher) {
+    let pool = Pool::new(2);
+    b.iter(|| threads_interleaved_n(&pool))
+}
+
+#[bench]
+fn threads_interleaved_4(b: &mut Bencher) {
+    let pool = Pool::new(4);
+    b.iter(|| threads_interleaved_n(&pool))
+}
+
+#[bench]
+fn threads_interleaved_8(b: &mut Bencher) {
+    let pool = Pool::new(8);
+    b.iter(|| threads_interleaved_n(&pool))
+}
+
+fn threads_chunked_n(pool: &Pool) {
+   // Set this to 1GB and 40 to get good but slooow results
+   let size = 1024 * 1024 * 10 / 4; // 10MiB
+   let bb_repeat = 50;
+
+   let mut data = vec![0u32; size];
+   let n = pool.threads();
+   pool.scoped(|s| {
+       let l = (data.len() - 1) / n as usize + 1;
+       for es in data.chunks_mut(l) {
+           s.execute(move || {
+               if es.len() > 1 {
+                   es[0] = 1;
+                   es[1] = 1;
+                   for i in 2..es.len() {
+                       // Fibonnaci gets big fast,
+                       // so just wrap around all the time
+                       es[i] = black_box(es[i-1].wrapping_add(es[i-2]));
+                       for i in 0..bb_repeat { black_box(i); }
+                   }
+               }
+               //thread::sleep_ms(MS_SLEEP_PER_OP);
+           });
+       }
+   });
+}
+
+#[bench]
+fn threads_chunked_1(b: &mut Bencher) {
+    let pool = Pool::new(1);
+    b.iter(|| threads_chunked_n(&pool))
+}
+
+#[bench]
+fn threads_chunked_2(b: &mut Bencher) {
+    let pool = Pool::new(2);
+    b.iter(|| threads_chunked_n(&pool))
+}
+
+#[bench]
+fn threads_chunked_3(b: &mut Bencher) {
+    let pool = Pool::new(3);
+    b.iter(|| threads_chunked_n(&pool))
+}
+
+#[bench]
+fn threads_chunked_4(b: &mut Bencher) {
+    let pool = Pool::new(4);
+    b.iter(|| threads_chunked_n(&pool))
+}
+
+#[bench]
+fn threads_chunked_5(b: &mut Bencher) {
+    let pool = Pool::new(5);
+    b.iter(|| threads_chunked_n(&pool))
+}
+
+#[bench]
+fn threads_chunked_8(b: &mut Bencher) {
+    let pool = Pool::new(8);
+    b.iter(|| threads_chunked_n(&pool))
+}