diff --git a/src/main/rust/Cargo.lock b/src/main/rust/Cargo.lock
index b607136..c62bf6e 100644
--- a/src/main/rust/Cargo.lock
+++ b/src/main/rust/Cargo.lock
@@ -82,6 +82,127 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "async-channel"
+version = "2.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89b47800b0be77592da0afd425cc03468052844aff33b84e33cc696f64e77b6a"
+dependencies = [
+ "concurrent-queue",
+ "event-listener-strategy",
+ "futures-core",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "async-executor"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7ebdfa2ebdab6b1760375fa7d6f382b9f486eac35fc994625a00e89280bdbb7"
+dependencies = [
+ "async-task",
+ "concurrent-queue",
+ "fastrand",
+ "futures-lite",
+ "slab",
+]
+
+[[package]]
+name = "async-fs"
+version = "2.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebcd09b382f40fcd159c2d695175b2ae620ffa5f3bd6f664131efff4e8b9e04a"
+dependencies = [
+ "async-lock",
+ "blocking",
+ "futures-lite",
+]
+
+[[package]]
+name = "async-io"
+version = "2.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "444b0228950ee6501b3568d3c93bf1176a1fdbc3b758dcd9475046d30f4dc7e8"
+dependencies = [
+ "async-lock",
+ "cfg-if",
+ "concurrent-queue",
+ "futures-io",
+ "futures-lite",
+ "parking",
+ "polling",
+ "rustix",
+ "slab",
+ "tracing",
+ "windows-sys 0.59.0",
+]
+
+[[package]]
+name = "async-lock"
+version = "3.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ff6e472cdea888a4bd64f342f09b3f50e1886d32afe8df3d663c01140b811b18"
+dependencies = [
+ "event-listener",
+ "event-listener-strategy",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "async-net"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b948000fad4873c1c9339d60f2623323a0cfd3816e5181033c6a5cb68b2accf7"
+dependencies = [
+ "async-io",
+ "blocking",
+ "futures-lite",
+]
+
+[[package]]
+name = "async-process"
+version = "2.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8a07789659a4d385b79b18b9127fc27e1a59e1e89117c78c5ea3b806f016374"
+dependencies = [
+ "async-channel",
+ "async-io",
+ "async-lock",
+ "async-signal",
+ "async-task",
+ "blocking",
+ "cfg-if",
+ "event-listener",
+ "futures-lite",
+ "rustix",
+ "tracing",
+ "windows-sys 0.59.0",
+]
+
+[[package]]
+name = "async-signal"
+version = "0.2.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "637e00349800c0bdf8bfc21ebbc0b6524abea702b0da4168ac00d070d0c0b9f3"
+dependencies = [
+ "async-io",
+ "async-lock",
+ "atomic-waker",
+ "cfg-if",
+ "futures-core",
+ "futures-io",
+ "rustix",
+ "signal-hook-registry",
+ "slab",
+ "windows-sys 0.59.0",
+]
+
+[[package]]
+name = "async-task"
+version = "4.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b75356056920673b02621b35afd0f7dda9306d03c79a30f5c56c44cf256e3de"
+
 [[package]]
 name = "atoi"
 version = "2.0.0"
@@ -97,6 +218,12 @@ version = "0.15.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ae037714f313c1353189ead58ef9eec30a8e8dc101b2622d461418fd59e28a9"
 
+[[package]]
+name = "atomic-waker"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
+
 [[package]]
 name = "autocfg"
 version = "1.3.0"
@@ -109,6 +236,19 @@ version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
 
+[[package]]
+name = "blocking"
+version = "1.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "703f41c54fc768e63e091340b424302bb1c29ef4aa0c7f10fe849dfb114d29ea"
+dependencies = [
+ "async-channel",
+ "async-task",
+ "futures-io",
+ "futures-lite",
+ "piper",
+]
+
 [[package]]
 name = "bstr"
 version = "1.10.0"
@@ -256,6 +396,15 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "concurrent-queue"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ca0197aee26d1ae37445ee532fefce43251d24cc7c166799f4d46817f1d3973"
+dependencies = [
+ "crossbeam-utils",
+]
+
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.6"
@@ -399,24 +548,86 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
+[[package]]
+name = "errno"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "534c5cf6194dfab3db3242765c03bbe257cf92f22b38f6bc0c58d59108a820ba"
+dependencies = [
+ "libc",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "ethnum"
 version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
+[[package]]
+name = "event-listener"
+version = "5.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6032be9bd27023a771701cc49f9f053c751055f71efb2e0ae5c15809093675ba"
+dependencies = [
+ "concurrent-queue",
+ "parking",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "event-listener-strategy"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0f214dc438f977e6d4e3500aaa277f5ad94ca83fbbd9b1a15713ce2344ccc5a1"
+dependencies = [
+ "event-listener",
+ "pin-project-lite",
+]
+
 [[package]]
 name = "fast-float"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "95765f67b4b18863968b4a1bd5bb576f732b29a4a28c7cd84c09fa3e2875f33c"
 
+[[package]]
+name = "fastrand"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9fc0510504f03c51ada170672ac806f1f105a88aa97a5281117e1ddc3368e51a"
+
 [[package]]
 name = "foreign_vec"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ee1b05cbd864bcaecbd3455d6d967862d446e4ebfc3c2e5e5b9841e53cba6673"
 
+[[package]]
+name = "futures-core"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dfc6580bb841c5a68e9ef15c77ccc837b40a7504914d52e47b8b0e9bbda25a1d"
+
+[[package]]
+name = "futures-io"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a44623e20b9681a318efdd71c299b6b222ed6f231972bfe2f224ebad6311f0c1"
+
+[[package]]
+name = "futures-lite"
+version = "2.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "52527eb5074e35e9339c6b4e8d12600c7128b68fb25dcb9fa9dec18f7c25f3a5"
+dependencies = [
+ "fastrand",
+ "futures-core",
+ "futures-io",
+ "parking",
+ "pin-project-lite",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.15"
@@ -475,13 +686,19 @@ version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
 
+[[package]]
+name = "hermit-abi"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fbf6a919d6cf397374f7dfeeea91d974c7c0a7221d0d0f4f20d859d329e53fcc"
+
 [[package]]
 name = "home"
 version = "0.5.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e3d1354bf6b7235cb4a0576c2619fd4ed18183f689b12b006a0ee7329eeff9a5"
 dependencies = [
- "windows-sys",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -523,9 +740,9 @@ version = "0.4.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f23ff5ef2b80d608d61efee834934d862cd92461afc0560dedf493e4c033738b"
 dependencies = [
- "hermit-abi",
+ "hermit-abi 0.3.9",
  "libc",
- "windows-sys",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -573,6 +790,12 @@ version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4ec2a862134d2a7d32d7983ddcdd1c4923530833c9f2ea1a44fc5fa473989058"
 
+[[package]]
+name = "linux-raw-sys"
+version = "0.4.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78b3ae25bc7c8c38cec158d1f2757ee79e9b3740fbc7ccf0e59e4b08d793fa89"
+
 [[package]]
 name = "lock_api"
 version = "0.4.12"
@@ -703,6 +926,7 @@ dependencies = [
  "polars",
  "rayon",
  "rustc-hash",
+ "smol",
 ]
 
 [[package]]
@@ -711,6 +935,12 @@ version = "11.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b410bbe7e14ab526a0e86877eb47c6996a2bd7746f027ba551028c925390e4e9"
 
+[[package]]
+name = "parking"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bb813b8af86854136c6922af0598d719255ecb2179515e6e7730d468f05c9cae"
+
 [[package]]
 name = "parking_lot"
 version = "0.12.3"
@@ -740,6 +970,23 @@ version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
 
+[[package]]
+name = "pin-project-lite"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bda66fc9667c18cb2758a2ac84d1167245054bcf85d5d1aaa6923f45801bdd02"
+
+[[package]]
+name = "piper"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96c8c490f422ef9a4efd2cb5b42b76c8613d7e7dfc1caf667b8a3350a5acc066"
+dependencies = [
+ "atomic-waker",
+ "fastrand",
+ "futures-io",
+]
+
 [[package]]
 name = "pkg-config"
 version = "0.3.30"
@@ -1078,6 +1325,21 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "polling"
+version = "3.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc2790cd301dec6cd3b7a025e4815cf825724a51c98dccfe6a3e55f05ffb6511"
+dependencies = [
+ "cfg-if",
+ "concurrent-queue",
+ "hermit-abi 0.4.0",
+ "pin-project-lite",
+ "rustix",
+ "tracing",
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.18"
@@ -1209,6 +1471,19 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "583034fd73374156e66797ed8e5b0d5690409c9226b22d87cb7f19821c05d152"
 
+[[package]]
+name = "rustix"
+version = "0.38.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70dc5ec042f7a43c4a73241207cecc9873a06d45debb38b329f8541d85c2730f"
+dependencies = [
+ "bitflags",
+ "errno",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "rustversion"
 version = "1.0.17"
@@ -1268,12 +1543,30 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "signal-hook-registry"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a9e9e0b4211b72e7b8b6e85c807d36c212bdb33ea8587f7569562a84df5465b1"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "simdutf8"
 version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f27f6278552951f1f2b8cf9da965d10969b2efdea95a6ec47987ab46edfe263a"
 
+[[package]]
+name = "slab"
+version = "0.4.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f92a496fb766b417c996b9c5e57daf2f7ad3b0bebe1ccfca4856390e3d3bb67"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "smallvec"
 version = "1.13.2"
@@ -1291,6 +1584,23 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "smol"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e635339259e51ef85ac7aa29a1cd991b957047507288697a690e80ab97d07cad"
+dependencies = [
+ "async-channel",
+ "async-executor",
+ "async-fs",
+ "async-io",
+ "async-lock",
+ "async-net",
+ "async-process",
+ "blocking",
+ "futures-lite",
+]
+
 [[package]]
 name = "sqlparser"
 version = "0.39.0"
@@ -1422,6 +1732,22 @@ dependencies = [
  "serde_json",
 ]
 
+[[package]]
+name = "tracing"
+version = "0.1.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3523ab5a71916ccf420eebdf5521fcef02141234bbc0b8a49f2fdc4544364ef"
+dependencies = [
+ "pin-project-lite",
+ "tracing-core",
+]
+
+[[package]]
+name = "tracing-core"
+version = "0.1.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c06d3da6113f116aaee68e4d601191614c9053067f9ab7f6edbcb161237daa54"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.12"
@@ -1542,7 +1868,7 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4d4cc384e1e73b93bafa6fb4f1df8c41695c8a91cf9c4c64358067d15a7b6c6b"
 dependencies = [
- "windows-sys",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -1579,6 +1905,15 @@ dependencies = [
  "windows-targets",
 ]
 
+[[package]]
+name = "windows-sys"
+version = "0.59.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
+dependencies = [
+ "windows-targets",
+]
+
 [[package]]
 name = "windows-targets"
 version = "0.52.6"
diff --git a/src/main/rust/Cargo.toml b/src/main/rust/Cargo.toml
index b40b893..da24f92 100644
--- a/src/main/rust/Cargo.toml
+++ b/src/main/rust/Cargo.toml
@@ -14,6 +14,7 @@ polars = { version = "0.36.2", features = ["csv", "lazy", "nightly", "streaming"
 rayon = "1.10.0"
 rustc-hash = "2.0.0"
 libc = "0.2.155"
+smol = "2.0.0"
 
 [dev-dependencies]
 criterion = { version = "0.5", features = ["html_reports"] }
diff --git a/src/main/rust/src/bin/smol.rs b/src/main/rust/src/bin/smol.rs
new file mode 100644
index 0000000..f33bbbe
--- /dev/null
+++ b/src/main/rust/src/bin/smol.rs
@@ -0,0 +1,5 @@
+use onebrc::implementations::smol::run;
+
+fn main() {
+    run();
+}
diff --git a/src/main/rust/src/implementations.rs b/src/main/rust/src/implementations.rs
index e807a75..1ee7f34 100644
--- a/src/main/rust/src/implementations.rs
+++ b/src/main/rust/src/implementations.rs
@@ -1,8 +1,9 @@
+pub mod flare_flo;
+pub mod libraries;
+pub mod multi_threaded;
+pub mod multi_threaded_structured;
+pub mod phcs;
+pub mod polars;
 pub mod reference_impl;
 pub mod single_thread;
-pub mod multi_threaded;
-pub mod polars;
-pub mod flare_flo;
-pub mod phcs;
-pub mod libraries;
-pub mod multi_threaded_structured;
+pub mod smol;
diff --git a/src/main/rust/src/implementations/smol.rs b/src/main/rust/src/implementations/smol.rs
new file mode 100644
index 0000000..cd0e887
--- /dev/null
+++ b/src/main/rust/src/implementations/smol.rs
@@ -0,0 +1,61 @@
+use smol::fs::File;
+use smol::io::{AsyncBufReadExt, BufReader};
+
+use crate::models::station_measurements::StationMeasurements;
+use crate::utils::parse;
+use crate::utils::parse::hashstr;
+use std::collections::HashMap;
+use std::time::Instant;
+
+const DEFAULT_HASHMAP_LENGTH: usize = 10000;
+
+pub fn run() {
+    let now = Instant::now();
+    let mut stations: HashMap<usize, (String, StationMeasurements)> =
+        HashMap::with_capacity(DEFAULT_HASHMAP_LENGTH);
+
+    smol::block_on(async {
+        let mut file = File::open("../../../measurements.txt")
+            .await
+            .expect("Could not read file");
+        let mut reader = BufReader::new(&mut file);
+        let mut line = Vec::with_capacity(108);
+        loop {
+            let line_len = reader
+                .read_until(b'\n', &mut line)
+                .await
+                .expect("could not read bytes");
+            if line_len == 0 {
+                break;
+            }
+            let (station, temp) = line.rsplit_once(|&byte| byte == b';').unwrap();
+            let hash = hashstr(station);
+            let station = unsafe { String::from_utf8_unchecked(Vec::from(station)) };
+            let temp = parse::temp(temp.split_last().unwrap().1);
+            let measurements_option = stations.get_mut(&hash);
+            if let Some((_, measurements)) = measurements_option {
+                measurements.update(temp);
+            } else {
+                let measurements = StationMeasurements {
+                    min: temp,
+                    max: temp,
+                    count: 1,
+                    sum: temp,
+                };
+                stations.insert(hash, (station, measurements));
+            }
+            line.clear();
+        }
+        let mut stations: Vec<String> = stations
+            .iter()
+            .map(|(_, (station, measurements))| {
+                let measurements = measurements.to_string();
+                format!("{station}={measurements}")
+            })
+            .collect();
+        stations.sort();
+        let stations = stations.join(",");
+        println!("{{{stations}}}");
+        println!("Time={} ms", now.elapsed().as_millis());
+    })
+}