improve multi executor cache addition
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ad3cb0bc93
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4a9f4e2505
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@ -384,13 +384,23 @@ impl CachedExecutors {
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})
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}
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fn put(&mut self, pubkey: &Pubkey, executor: Arc<dyn Executor>) {
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let entry = if let Some(mut entry) = self.executors.remove(pubkey) {
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saturating_add_assign!(self.stats.hits, 1);
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entry.executor = executor;
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entry
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} else {
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saturating_add_assign!(self.stats.misses, 1);
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fn put(&mut self, executors: &[(&Pubkey, Arc<dyn Executor>)]) {
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let mut new_executors: Vec<_> = executors
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.iter()
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.filter_map(|(key, executor)| {
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if let Some(mut entry) = self.executors.remove(key) {
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saturating_add_assign!(self.stats.hits, 1);
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entry.executor = executor.clone();
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let _ = self.executors.insert(**key, entry);
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None
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} else {
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saturating_add_assign!(self.stats.misses, 1);
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Some((*key, executor))
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}
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})
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.collect();
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if !new_executors.is_empty() {
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let mut counts = self
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.executors
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.iter()
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@ -401,10 +411,15 @@ impl CachedExecutors {
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.collect::<Vec<_>>();
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counts.sort_unstable_by_key(|(_, count)| *count);
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let primer_count = Self::get_primer_count(counts.as_slice());
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let primer_counts = Self::get_primer_counts(counts.as_slice(), new_executors.len());
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if self.executors.len() >= self.max {
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if let Some(least_key) = counts.first().map(|least| *least.0) {
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let mut least_keys = counts
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.iter()
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.take(new_executors.len())
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.map(|least| *least.0)
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.collect::<Vec<_>>();
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for least_key in least_keys.drain(..) {
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let _ = self.executors.remove(&least_key);
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self.stats
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.evictions
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@ -414,13 +429,15 @@ impl CachedExecutors {
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}
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}
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CachedExecutorsEntry {
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prev_epoch_count: 0,
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epoch_count: AtomicU64::new(primer_count),
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executor,
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for ((key, executor), primer_count) in new_executors.drain(..).zip(primer_counts) {
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let entry = CachedExecutorsEntry {
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prev_epoch_count: 0,
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epoch_count: AtomicU64::new(primer_count),
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executor: executor.clone(),
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};
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let _ = self.executors.insert(*key, entry);
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}
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};
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let _ = self.executors.insert(*pubkey, entry);
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}
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}
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fn remove(&mut self, pubkey: &Pubkey) {
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@ -453,10 +470,13 @@ impl CachedExecutors {
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.unwrap_or(0)
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}
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fn get_primer_count(counts: &[(&Pubkey, u64)]) -> u64 {
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fn get_primer_counts(counts: &[(&Pubkey, u64)], num_counts: usize) -> Vec<u64> {
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let max_primer_count = Self::get_primer_count_upper_bound_inclusive(counts);
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let mut rng = rand::thread_rng();
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rng.gen_range(0, max_primer_count.saturating_add(1))
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(0..num_counts)
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.map(|_| rng.gen_range(0, max_primer_count.saturating_add(1)))
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.collect::<Vec<_>>()
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}
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}
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@ -3585,9 +3605,7 @@ impl Bank {
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if !dirty_executors.is_empty() {
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let mut cache = self.cached_executors.write().unwrap();
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let cache = Arc::make_mut(&mut cache);
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for (key, executor) in dirty_executors.into_iter() {
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cache.put(key, executor);
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}
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cache.put(&dirty_executors);
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}
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}
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@ -12831,9 +12849,9 @@ pub(crate) mod tests {
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let executor: Arc<dyn Executor> = Arc::new(TestExecutor {});
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let mut cache = CachedExecutors::new(3, 0);
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cache.put(&key1, executor.clone());
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cache.put(&key2, executor.clone());
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cache.put(&key3, executor.clone());
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cache.put(&[(&key1, executor.clone())]);
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cache.put(&[(&key2, executor.clone())]);
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cache.put(&[(&key3, executor.clone())]);
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assert!(cache.get(&key1).is_some());
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assert!(cache.get(&key2).is_some());
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assert!(cache.get(&key3).is_some());
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@ -12841,7 +12859,7 @@ pub(crate) mod tests {
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assert!(cache.get(&key1).is_some());
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assert!(cache.get(&key1).is_some());
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assert!(cache.get(&key2).is_some());
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cache.put(&key4, executor.clone());
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cache.put(&[(&key4, executor.clone())]);
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assert!(cache.get(&key4).is_some());
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let num_retained = [&key1, &key2, &key3]
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.iter()
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@ -12853,7 +12871,7 @@ pub(crate) mod tests {
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assert!(cache.get(&key4).is_some());
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assert!(cache.get(&key4).is_some());
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assert!(cache.get(&key4).is_some());
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cache.put(&key3, executor.clone());
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cache.put(&[(&key3, executor.clone())]);
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assert!(cache.get(&key3).is_some());
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let num_retained = [&key1, &key2, &key4]
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.iter()
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@ -12864,7 +12882,7 @@ pub(crate) mod tests {
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}
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#[test]
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fn test_cached_executors_eviction() {
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fn test_cached_executor_eviction() {
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let key1 = solana_sdk::pubkey::new_rand();
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let key2 = solana_sdk::pubkey::new_rand();
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let key3 = solana_sdk::pubkey::new_rand();
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@ -12873,9 +12891,9 @@ pub(crate) mod tests {
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let mut cache = CachedExecutors::new(3, 0);
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assert!(cache.current_epoch == 0);
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cache.put(&key1, executor.clone());
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cache.put(&key2, executor.clone());
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cache.put(&key3, executor.clone());
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cache.put(&[(&key1, executor.clone())]);
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cache.put(&[(&key2, executor.clone())]);
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cache.put(&[(&key3, executor.clone())]);
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assert!(cache.get(&key1).is_some());
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assert!(cache.get(&key1).is_some());
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assert!(cache.get(&key1).is_some());
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@ -12886,7 +12904,7 @@ pub(crate) mod tests {
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assert!(cache.get(&key2).is_some());
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assert!(cache.get(&key2).is_some());
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assert!(cache.get(&key3).is_some());
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Arc::make_mut(&mut cache).put(&key4, executor.clone());
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Arc::make_mut(&mut cache).put(&[(&key4, executor.clone())]);
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assert!(cache.get(&key4).is_some());
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let num_retained = [&key1, &key2, &key3]
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@ -12896,8 +12914,8 @@ pub(crate) mod tests {
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.count();
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assert_eq!(num_retained, 2);
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Arc::make_mut(&mut cache).put(&key1, executor.clone());
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Arc::make_mut(&mut cache).put(&key3, executor.clone());
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Arc::make_mut(&mut cache).put(&[(&key1, executor.clone())]);
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Arc::make_mut(&mut cache).put(&[(&key3, executor.clone())]);
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assert!(cache.get(&key1).is_some());
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assert!(cache.get(&key3).is_some());
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let num_retained = [&key2, &key4]
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@ -12910,7 +12928,7 @@ pub(crate) mod tests {
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cache = cache.clone_with_epoch(2);
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assert!(cache.current_epoch == 2);
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Arc::make_mut(&mut cache).put(&key3, executor.clone());
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Arc::make_mut(&mut cache).put(&[(&key3, executor.clone())]);
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assert!(cache.get(&key3).is_some());
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}
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@ -12922,11 +12940,11 @@ pub(crate) mod tests {
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let executor: Arc<dyn Executor> = Arc::new(TestExecutor {});
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let mut cache = CachedExecutors::new(2, 0);
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cache.put(&key1, executor.clone());
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cache.put(&[(&key1, executor.clone())]);
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for _ in 0..5 {
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let _ = cache.get(&key1);
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}
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cache.put(&key2, executor.clone());
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cache.put(&[(&key2, executor.clone())]);
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// make key1's use-count for sure greater than key2's
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let _ = cache.get(&key1);
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@ -12938,7 +12956,7 @@ pub(crate) mod tests {
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entries.sort_by_key(|(_, v)| *v);
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assert!(entries[0].1 < entries[1].1);
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cache.put(&key3, executor.clone());
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cache.put(&[(&key3, executor.clone())]);
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assert!(cache.get(&entries[0].0).is_none());
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assert!(cache.get(&entries[1].0).is_some());
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}
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