v0.5.8 - Updates

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "concread"
-version = "0.5.7"
+version = "0.5.8"
 authors = ["William Brown <william@blackhats.net.au>"]
 edition = "2021"
 description = "Concurrently Readable Data-Structures for Rust"
@@ -45,32 +45,32 @@ arcache-is-hashtrie = ["arcache"]
 simd_support = []
 
 [dependencies]
-ahash = { version = "0.8", optional = true }
-foldhash = { version = "0.1.5", optional = true }
+ahash = { version = "0.8.12", optional = true }
+foldhash = { version = "0.2.0", optional = true }
 crossbeam-utils = { version = "0.8.21", optional = true }
-crossbeam-epoch = { version = "0.9.11", optional = true }
+crossbeam-epoch = { version = "0.9.18", optional = true }
 crossbeam-queue = { version = "0.3.12", optional = true }
 dhat = { version = "0.3.3", optional = true }
-lru = { version = "0.13", optional = true }
+lru = { version = "0.16.3", optional = true }
 serde = { version = "1.0", optional = true }
-smallvec = { version = "1.14", optional = true }
+smallvec = { version = "1.15.1", optional = true }
 sptr = "0.3"
-tokio = { version = "1", features = ["sync"], optional = true }
-tracing = "0.1"
+tokio = { version = "1.49.0", features = ["sync"], optional = true }
+tracing = "0.1.44"
 
 [dev-dependencies]
-criterion = { version = "0.5", features = ["html_reports"] }
-rand = "0.9"
-tracing-subscriber = { version = "0.3", features = [
+criterion = { version = "0.8.1", features = ["html_reports"] }
+rand = "0.9.2"
+tracing-subscriber = { version = "0.3.22", features = [
     "env-filter",
     "std",
     "fmt",
 ] }
-uuid = "1"
+uuid = ">=1.19.0"
 function_name = "0.3"
-serde_json = "1"
-tokio = { version = "1", features = ["rt", "macros"] }
-proptest = "1.0.0"
+serde_json = ">=1.0.149"
+tokio = { version = "1.49.0", features = ["rt", "macros"] }
+proptest = "1.9.0"
 
 [[bench]]
 name = "hashmap_benchmark"

benches/arccache.rs

@@ -55,7 +55,7 @@ where
         match self {
             AccessPattern::Random(min, max) => {
                 let mut rng = thread_rng();
-                rng.gen_range(min.clone()..max.clone())
+                rng.gen_range(*min..*max)
             }
         }
     }
@@ -209,10 +209,10 @@ where
         .into_iter()
         .map(|cache| {
             // Build the threads.
-            let back_set = backing_set.clone();
-            let back_set_delay = backing_set_delay.clone();
             let pat = access_pattern.clone();
-            thread::spawn(move || tlocal_multi_thread_worker(cache, back_set, back_set_delay, pat))
+            thread::spawn(move || {
+                tlocal_multi_thread_worker(cache, backing_set, backing_set_delay, pat)
+            })
         })
         .collect();
 

benches/hashmap_benchmark.rs

@@ -19,8 +19,9 @@ extern crate criterion;
 extern crate rand;
 
 use concread::hashmap::*;
-use criterion::{black_box, criterion_group, criterion_main, BatchSize, Criterion};
-use rand::{thread_rng, Rng};
+use criterion::{criterion_group, criterion_main, BatchSize, Criterion};
+use rand::{rng, Rng};
+use std::hint::black_box;
 
 // ranges of counts for different benchmarks (MINs are inclusive, MAXes exclusive):
 const INSERT_COUNT_MIN: usize = 120;
@@ -168,7 +169,7 @@ criterion_main!(insert, remove, search);
 fn insert_vec<V: Clone + Sync + Send + 'static>(
     map: &mut HashMap<u32, V>,
     list: Vec<(u32, V)>,
-) -> HashMapWriteTxn<u32, V> {
+) -> HashMapWriteTxn<'_, u32, V> {
     let mut write_txn = map.write();
     for (key, val) in list.into_iter() {
         write_txn.insert(key, val);
@@ -178,7 +179,7 @@ fn insert_vec<V: Clone + Sync + Send + 'static>(
 
 fn remove_vec<'a, V: Clone + Sync + Send + 'static>(
     map: &'a mut HashMap<u32, V>,
-    list: &Vec<u32>,
+    list: &[u32],
 ) -> HashMapWriteTxn<'a, u32, V> {
     let mut write_txn = map.write();
     for i in list.iter() {
@@ -187,7 +188,7 @@ fn remove_vec<'a, V: Clone + Sync + Send + 'static>(
     write_txn
 }
 
-fn search_vec<V: Clone + Sync + Send + 'static>(map: &HashMap<u32, V>, list: &Vec<u32>) {
+fn search_vec<V: Clone + Sync + Send + 'static>(map: &HashMap<u32, V>, list: &[u32]) {
     let read_txn = map.read();
     for i in list.iter() {
         read_txn.get(black_box(i));
@@ -242,23 +243,23 @@ struct Struct {
 }
 
 fn prepare_insert<V: Clone + Sync + Send + 'static>(value: V) -> (HashMap<u32, V>, Vec<(u32, V)>) {
-    let mut rng = thread_rng();
-    let count = rng.gen_range(INSERT_COUNT_MIN..INSERT_COUNT_MAX);
+    let mut rng = rng();
+    let count = rng.random_range(INSERT_COUNT_MIN..INSERT_COUNT_MAX);
     let mut list = Vec::with_capacity(count);
     for _ in 0..count {
         list.push((
-            rng.gen_range(0..INSERT_COUNT_MAX << 8) as u32,
-            value.clone(),
+            rng.random_range(0..INSERT_COUNT_MAX << 8) as u32,
+            value.to_owned(),
         ));
     }
     (HashMap::new(), list)
 }
 
 /// Prepares a remove benchmark with values in the HashMap being clones of the 'value' parameter
 fn prepare_remove<V: Clone + Sync + Send + 'static>(value: V) -> (HashMap<u32, V>, Vec<u32>) {
-    let mut rng = thread_rng();
-    let insert_count = rng.gen_range(INSERT_COUNT_FOR_REMOVE_MIN..INSERT_COUNT_FOR_REMOVE_MAX);
-    let remove_count = rng.gen_range(REMOVE_COUNT_MIN..REMOVE_COUNT_MAX);
+    let mut rng = rng();
+    let insert_count = rng.random_range(INSERT_COUNT_FOR_REMOVE_MIN..INSERT_COUNT_FOR_REMOVE_MAX);
+    let remove_count = rng.random_range(REMOVE_COUNT_MIN..REMOVE_COUNT_MAX);
     let map = HashMap::new();
     let mut write_txn = map.write();
     for i in random_order(insert_count, insert_count).iter() {
@@ -271,10 +272,10 @@ fn prepare_remove<V: Clone + Sync + Send + 'static>(value: V) -> (HashMap<u32, V
 }
 
 fn prepare_search<V: Clone + Sync + Send + 'static>(value: V) -> (HashMap<u32, V>, Vec<u32>) {
-    let mut rng = thread_rng();
-    let insert_count = rng.gen_range(INSERT_COUNT_FOR_SEARCH_MIN..INSERT_COUNT_FOR_SEARCH_MAX);
+    let mut rng = rng();
+    let insert_count = rng.random_range(INSERT_COUNT_FOR_SEARCH_MIN..INSERT_COUNT_FOR_SEARCH_MAX);
     let search_limit = insert_count * SEARCH_SIZE_NUMERATOR / SEARCH_SIZE_DENOMINATOR;
-    let search_count = rng.gen_range(SEARCH_COUNT_MIN..SEARCH_COUNT_MAX);
+    let search_count = rng.random_range(SEARCH_COUNT_MIN..SEARCH_COUNT_MAX);
 
     // Create a HashMap with elements 0 through insert_count(-1)
     let map = HashMap::new();
@@ -287,28 +288,28 @@ fn prepare_search<V: Clone + Sync + Send + 'static>(value: V) -> (HashMap<u32, V
     // Choose 'search_count' numbers from [0,search_limit) randomly to be searched in the created map.
     let mut list = Vec::with_capacity(search_count);
     for _ in 0..search_count {
-        list.push(rng.gen_range(0..search_limit as u32));
+        list.push(rng.random_range(0..search_limit as u32));
     }
     (map, list)
 }
 
 /// Returns a Vec of n elements from the range [0,up_to) in random order without repetition
 fn random_order(up_to: usize, n: usize) -> Vec<u32> {
-    let mut rng = thread_rng();
+    let mut rng = rng();
     let mut order = Vec::with_capacity(n);
     let mut generated = vec![false; up_to];
     let mut remaining = n;
     let mut remaining_elems = up_to;
     while remaining > 0 {
-        let mut r = rng.gen_range(0..remaining_elems);
+        let mut r = rng.random_range(0..remaining_elems);
         // find the r-th yet nongenerated number:
-        for i in 0..up_to {
-            if generated[i] {
+        for (i, value) in generated.iter_mut().enumerate().take(up_to) {
+            if *value {
                 continue;
             }
             if r == 0 {
                 order.push(i as u32);
-                generated[i] = true;
+                *value = true;
                 break;
             }
             r -= 1;

src/arcache/mod.rs

@@ -1094,7 +1094,7 @@ impl<
             // * everything hit must be in main cache now, so bring these
             //   all to the relevant item heads.
             // * Why do this last? Because the write is the "latest" we want all the fresh
-            //   written items in the cache over the "read" hits, it gives us some aprox
+            //   written items in the cache over the "read" hits, it gives us some appximation
             //   of time ordering, but not perfect.
 
             // Find the item in the cache.
@@ -1261,7 +1261,7 @@ impl<
             //
             // keep removing from rec until == p OR delta == 0, and if delta remains, then remove from freq.
             //
-            // Remember P is "the maximum size of recent" or "presure on recent". If P is max then
+            // Remember P is "the maximum size of recent" or "pressure on recent". If P is max then
             // we are pressuring churning on recent but not freq, so evict in freq.
             //
             // If P is toward 0 that means all our pressure is in frequent and we evicted things we
@@ -1938,10 +1938,9 @@ impl<
     }
 
     #[cfg(test)]
-    pub(crate) fn peek_cache<Q: ?Sized>(&self, k: &Q) -> CacheState
+    pub(crate) fn peek_cache<Q: ?Sized + Hash + Eq + Ord>(&self, k: &Q) -> CacheState
     where
         K: Borrow<Q>,
-        Q: Hash + Eq + Ord,
     {
         if let Some(v) = self.cache.get(k) {
             (*v).to_state()
@@ -3154,7 +3153,6 @@ mod tests {
     }
 
     #[allow(dead_code)]
-
     pub static RUNNING: AtomicBool = AtomicBool::new(false);
 
     #[cfg(test)]
@@ -3192,7 +3190,6 @@ mod tests {
         RUNNING.store(true, Ordering::Relaxed);
 
         let handles: Vec<_> = (0..thread_count)
-            .into_iter()
             .map(|_| {
                 // Build the threads.
                 let cache = arc.clone();

src/arcache/stats.rs

@@ -3,7 +3,7 @@ use std::fmt::Debug;
 /// Write statistics for ARCache
 pub trait ARCacheWriteStat<K> {
     // RW phase trackers
-    /// Record that a cache clear event occured.
+    /// Record that a cache clear event occurred.
     ///
     /// Phase - write transaction open
     fn cache_clear(&mut self) {}

src/hashmap/mod.rs

@@ -264,7 +264,7 @@ mod tests {
         assert!(!snap.contains_key(&20));
         assert_eq!(snap.len(), 2);
         assert!(!snap.is_empty());
-        assert!(snap.iter().find(|(_k, v)| **v == 10).is_some());
+        assert!(snap.iter().any(|(_k, v)| *v == 10));
         assert_eq!(snap.values().count(), 2);
         assert_eq!(snap.keys().count(), 2);
     }
@@ -311,17 +311,17 @@ mod tests {
     fn test_hashmap_keys() {
         let hmap: HashMap<usize, usize> = vec![(10, 10), (15, 15), (20, 20)].into_iter().collect();
         let hmap_read = hmap.read();
-        assert!(hmap_read.keys().find(|&&x| x == 10).is_some());
+        assert!(hmap_read.keys().any(|&x| x == 10));
         let hmap_write = hmap.write();
-        assert!(hmap_write.keys().find(|&&x| x == 10).is_some());
+        assert!(hmap_write.keys().any(|&x| x == 10));
     }
     #[test]
     fn test_hashmap_values() {
         let hmap: HashMap<usize, usize> = vec![(10, 11), (15, 15), (20, 20)].into_iter().collect();
         let hmap_read = hmap.read();
-        assert!(hmap_read.values().find(|&&x| x == 11).is_some());
+        assert!(hmap_read.values().any(|&x| x == 11));
         let hmap_write = hmap.write();
-        assert!(hmap_write.values().find(|&&x| x == 11).is_some());
+        assert!(hmap_write.values().any(|&x| x == 11));
     }
 
     #[test]
@@ -332,11 +332,11 @@ mod tests {
         assert!(!hmap_write_snapshot.is_empty());
         assert_eq!(hmap_write_snapshot.len(), 3);
         assert!(hmap_write_snapshot.contains_key(&10));
-        assert!(hmap_write_snapshot.values().find(|&&x| x == 11).is_some());
-        assert!(hmap_write_snapshot.values().find(|&&x| x == 10).is_none());
-        assert!(hmap_write_snapshot.keys().find(|&&x| x == 10).is_some());
-        assert!(hmap_write_snapshot.keys().find(|&&x| x == 11).is_none());
-        assert!(hmap_write_snapshot.keys().find(|&&x| x == 10).is_some());
+        assert!(hmap_write_snapshot.values().any(|&x| x == 11));
+        assert!(hmap_write_snapshot.values().all(|&x| x != 10));
+        assert!(hmap_write_snapshot.keys().any(|&x| x == 10));
+        assert!(hmap_write_snapshot.keys().all(|&x| x != 11));
+        assert!(hmap_write_snapshot.keys().any(|&x| x == 10));
         assert!(hmap_write_snapshot.iter().count() == 3);
     }
 }

src/hashtrie/mod.rs

@@ -224,7 +224,7 @@ mod tests {
         assert!(hmap_w1.is_empty());
         hmap_w1.insert(10, 10);
         // just coverage things
-        hmap_w1.extend([(15, 15)].into_iter());
+        hmap_w1.extend([(15, 15)]);
         assert!(!hmap_w1.is_empty());
         hmap_w1.commit();
 
@@ -294,9 +294,9 @@ mod tests {
     fn test_hashtrie_keys() {
         let hmap: HashTrie<usize, usize> = vec![(10, 10), (15, 15), (20, 20)].into_iter().collect();
         let hmap_read = hmap.read();
-        assert!(hmap_read.keys().find(|&&x| x == 10).is_some());
+        assert!(hmap_read.keys().any(|&x| x == 10));
         let hmap_write = hmap.write();
-        assert!(hmap_write.keys().find(|&&x| x == 10).is_some());
+        assert!(hmap_write.keys().any(|&x| x == 10));
     }
 
     #[test]

src/internals/bptree/cursor.rs

@@ -1300,7 +1300,7 @@ mod tests {
     }
 
     fn create_leaf_node_full(vbase: usize) -> *mut Node<usize, usize> {
-        assert!(vbase % 10 == 0);
+        assert!(vbase.is_multiple_of(10));
         let node = Node::new_leaf(1);
         {
             let nmut = leaf_ref!(node, usize, usize);
@@ -2296,8 +2296,8 @@ mod tests {
     #[test]
     fn test_bptree2_cursor_remove_15() {
         // Test leaf borrow right.
-        let lnode = create_leaf_node(10) as *mut Node<usize, usize>;
-        let rnode = create_leaf_node_full(20) as *mut Node<usize, usize>;
+        let lnode = create_leaf_node(10);
+        let rnode = create_leaf_node_full(20);
         let root = Node::new_branch(0, lnode, rnode);
         let sb = SuperBlock::new_test(1, root as *mut Node<usize, usize>);
         let mut wcurs = sb.create_writer();
@@ -2647,7 +2647,6 @@ mod tests {
     #[test]
     fn test_bptree2_cursor_split_off_lt_clone_stress() {
         // Can't proceed as the "fake" tree we make is invalid.
-        debug_assert!(L_CAPACITY >= 4);
         let outer: [usize; 4] = [0, 100, 200, 300];
         let inner: [usize; 4] = [0, 10, 20, 30];
         for i in outer.iter() {
@@ -2663,7 +2662,6 @@ mod tests {
     #[cfg(not(feature = "skinny"))]
     #[test]
     fn test_bptree2_cursor_split_off_lt_stress() {
-        debug_assert!(L_CAPACITY >= 4);
         let outer: [usize; 4] = [0, 100, 200, 300];
         let inner: [usize; 4] = [0, 10, 20, 30];
         for i in outer.iter() {

src/internals/bptree/iter.rs

@@ -703,7 +703,7 @@ mod tests {
     use std::ops::Bound::*;
 
     fn create_leaf_node_full(vbase: usize) -> *mut Node<usize, usize> {
-        assert!(vbase % 10 == 0);
+        assert!(vbase.is_multiple_of(10));
         let node = Node::new_leaf(0);
         {
             let nmut = leaf_ref!(node, usize, usize);

src/internals/bptree/mutiter.rs

@@ -87,7 +87,7 @@ mod tests {
     use crate::internals::lincowcell::LinCowCellCapable;
 
     fn create_leaf_node_full(vbase: usize) -> *mut Node<usize, usize> {
-        assert!(vbase % 10 == 0);
+        assert!(vbase.is_multiple_of(10));
         let node = Node::new_leaf(0);
         {
             let nmut = leaf_ref!(node, usize, usize);
@@ -103,7 +103,7 @@ mod tests {
     fn test_bptree2_iter_mutrangeiter_1() {
         let node = create_leaf_node_full(10);
 
-        let sb = SuperBlock::new_test(1, node as *mut Node<usize, usize>);
+        let sb = SuperBlock::new_test(1, node);
         let mut wcurs = sb.create_writer();
 
         let bounds: (Bound<usize>, Bound<usize>) = (Unbounded, Unbounded);