vec: fixed compressed, still slow par read, cli: made raw the default

crates/brk_vec/src/traits/generic.rs

@@ -31,7 +31,7 @@ where
     }
     #[inline]
     fn get_or_read_(&self, index: usize, mmap: &Mmap) -> Result<Option<Value<T>>> {
-        let stored_len = mmap.len() / Self::SIZE_OF_T;
+        let stored_len = self.stored_len_(mmap);
 
         if index >= stored_len {
             let pushed = self.pushed();
@@ -53,6 +53,7 @@ where
     fn mmap(&self) -> &ArcSwap<Mmap>;
 
     fn stored_len(&self) -> usize;
+    fn stored_len_(&self, mmap: &Mmap) -> usize;
 
     fn pushed(&self) -> &[T];
     #[inline]

crates/brk_vec/src/variants/compressed.rs

@@ -133,7 +133,7 @@ where
         page_index * Self::PER_PAGE
     }
 
-    fn stored_len_(pages_meta: &Guard<Arc<CompressedPagesMetadata>>) -> usize {
+    fn stored_len__(pages_meta: &Guard<Arc<CompressedPagesMetadata>>) -> usize {
         if let Some(last) = pages_meta.last() {
             (pages_meta.len() - 1) * Self::PER_PAGE + last.values_len as usize
         } else {
@@ -182,7 +182,11 @@ where
 
     #[inline]
     fn stored_len(&self) -> usize {
-        Self::stored_len_(&self.pages_meta.load())
+        Self::stored_len__(&self.pages_meta.load())
+    }
+    #[inline]
+    fn stored_len_(&self, _: &Mmap) -> usize {
+        self.stored_len()
     }
 
     #[inline]
@@ -481,7 +485,7 @@ where
 
     fn into_iter(self) -> Self::IntoIter {
         let pages_meta = self.pages_meta.load();
-        let stored_len = CompressedVec::<I, T>::stored_len_(&pages_meta);
+        let stored_len = CompressedVec::<I, T>::stored_len__(&pages_meta);
         CompressedVecIterator {
             vec: self,
             guard: self.mmap().load(),

crates/brk_vec/src/variants/raw.rs

@@ -104,7 +104,11 @@ where
 
     #[inline]
     fn stored_len(&self) -> usize {
-        self.mmap.load().len() / Self::SIZE_OF_T
+        self.stored_len_(&self.mmap.load())
+    }
+    #[inline]
+    fn stored_len_(&self, mmap: &Mmap) -> usize {
+        mmap.len() / Self::SIZE_OF_T
     }
 
     #[inline]

crates/brk_vec/src/variants/stored.rs

@@ -73,6 +73,13 @@ where
             StoredVec::Compressed(v) => v.stored_len(),
         }
     }
+    #[inline]
+    fn stored_len_(&self, mmap: &Mmap) -> usize {
+        match self {
+            StoredVec::Raw(v) => v.stored_len_(mmap),
+            StoredVec::Compressed(v) => v.stored_len_(mmap),
+        }
+    }
 
     #[inline]
     fn pushed(&self) -> &[T] {