diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b586808..194a4dc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,11 +8,8 @@ on:
 
 env:
   RUST_BACKTRACE: 1
-#  later
-#  RUSTFLAGS: -Dwarnings
   CARGO_TERM_COLOR: always
-
-  rust_nightly: nightly-2022-07-23
+  rust_nightly: nightly-2023-03-21
 
 jobs:
   tests-pass:
@@ -41,7 +38,7 @@ jobs:
           - ''
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v2
         with:
           submodules: true
       - uses: actions-rs/toolchain@v1
@@ -55,7 +52,7 @@ jobs:
     name: clippy
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v2
         with:
           submodules: true
       - name: Install Rust clippy
@@ -71,7 +68,7 @@ jobs:
   miri:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v2
         with:
           submodules: true
       - uses: actions-rs/toolchain@v1
@@ -82,3 +79,30 @@ jobs:
           cd ci
           chmod +x miri.sh
           ./miri.sh
+
+  benchmark:
+    name: Benchmark
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+        with:
+          submodules: true
+      - name: Setup Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: nightly
+          components: rustfmt, clippy
+      - name: Cache cargo
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            target
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+      - name: Build benchmark
+        run: cargo build --release --bench benchmark
+      - name: Run benchmark
+        run: cargo bench --bench benchmark
diff --git a/Cargo.toml b/Cargo.toml
index 8176e2d..ca5df3e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,5 +1,4 @@
 [workspace]
-
 members = [
     "doublets-ffi",
     "doublets",
@@ -12,7 +11,8 @@ members = [
     # internal
     "integration"
 ]
+
 # in global rework
 exclude = [
     "doublets-decorators",
-]
\ No newline at end of file
+]
diff --git a/dev-deps/data-rs b/dev-deps/data-rs
index 95b7d4d..6e62b15 160000
--- a/dev-deps/data-rs
+++ b/dev-deps/data-rs
@@ -1 +1 @@
-Subproject commit 95b7d4deb04e1ba34d2fa3187dca80cc7f62c78e
+Subproject commit 6e62b15c72f1a8a03517eb4074d477a4aac83414
diff --git a/doublets/Cargo.toml b/doublets/Cargo.toml
index 212707c..76f5cb8 100644
--- a/doublets/Cargo.toml
+++ b/doublets/Cargo.toml
@@ -20,6 +20,7 @@ description = """
 """
 
 [dependencies]
+criterion = "0.3.5"
 tap = { version = "1.0.1" }
 cfg-if = { version = "1.0.0" }
 thiserror = { version = "1.0.30" }
@@ -50,7 +51,7 @@ full = ["platform", "rayon", "small-search"]
 [dev-dependencies]
 tap = { version = "1.0.1" }
 rand = { version = "0.8.5" }
-criterion = { version = "0.3.6" }
+criterion = { version = "0.4.0" }
 bumpalo = { version = "3.10.0", features = ["allocator_api", "collections"] }
 mimalloc = { version = "0.1.29", default-features = false }
 rpmalloc = "0.2.0"
diff --git a/doublets/benches/benchmark.rs b/doublets/benches/benchmark.rs
new file mode 100644
index 0000000..368febb
--- /dev/null
+++ b/doublets/benches/benchmark.rs
@@ -0,0 +1,15 @@
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
+use data::Flow::Continue;
+use doublets::{split::Store, Doublets, DoubletsExt, Links};
+use mem::Global;
+
+fn iter(c: &mut Criterion) {
+    let mut store = Store::<usize, _, _>::new(Global::new(), Global::new()).unwrap();
+
+    for _ in 0..1_000_000 {
+        store.create_point().unwrap();
+    }
+}
+
+criterion_group!(benches, iter);
+criterion_main!(benches);
\ No newline at end of file