diff --git a/.github/workflows/codspeed.yml b/.github/workflows/codspeed.yml
new file mode 100644
index 0000000..b96d8f9
--- /dev/null
+++ b/.github/workflows/codspeed.yml
@@ -0,0 +1,33 @@
+name: CodSpeed
+
+on:
+  push:
+    branches:
+      - "main"
+  pull_request:
+  # `workflow_dispatch` allows CodSpeed to trigger backtest
+  # performance analysis in order to generate initial data.
+  workflow_dispatch:
+
+jobs:
+  benchmarks:
+    name: Run benchmarks
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup rust toolchain, cache and cargo-codspeed binary
+        uses: moonrepo/setup-rust@v1
+        with:
+          channel: stable
+          cache-target: release
+          bins: cargo-codspeed
+
+      - name: Build the benchmark target(s)
+        run: cargo codspeed build
+
+      - name: Run the benchmarks
+        uses: CodSpeedHQ/action@v3
+        with:
+          run: cargo codspeed run
+          token: ${{ secrets.CODSPEED_TOKEN }}
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
index e02015e..c8d7c18 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -123,7 +123,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e89da841a80418a9b391ebaea17f5c112ffaaa96f621d2c285b5174da76b9011"
 dependencies = [
  "cfg-if",
- "getrandom",
+ "getrandom 0.2.15",
  "once_cell",
  "version_check",
  "zerocopy",
@@ -339,7 +339,7 @@ dependencies = [
  "futures-lite",
  "parking",
  "polling",
- "rustix",
+ "rustix 0.38.42",
  "slab",
  "tracing",
  "windows-sys 0.59.0",
@@ -382,7 +382,7 @@ dependencies = [
  "cfg-if",
  "event-listener",
  "futures-lite",
- "rustix",
+ "rustix 0.38.42",
  "tracing",
 ]
 
@@ -409,7 +409,7 @@ dependencies = [
  "cfg-if",
  "futures-core",
  "futures-io",
- "rustix",
+ "rustix 0.38.42",
  "signal-hook-registry",
  "slab",
  "windows-sys 0.59.0",
@@ -612,7 +612,7 @@ dependencies = [
  "bitflags 2.6.0",
  "log",
  "polling",
- "rustix",
+ "rustix 0.38.42",
  "slab",
  "thiserror",
 ]
@@ -624,7 +624,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "95a66a987056935f7efce4ab5668920b5d0dac4a7c99991a67395f13702ddd20"
 dependencies = [
  "calloop",
- "rustix",
+ "rustix 0.38.42",
  "wayland-backend",
  "wayland-client",
 ]
@@ -693,6 +693,7 @@ dependencies = [
  "anstyle",
  "clap_lex",
  "strsim",
+ "terminal_size",
 ]
 
 [[package]]
@@ -732,12 +733,75 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "codspeed"
+version = "2.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93f4cce9c27c49c4f101fffeebb1826f41a9df2e7498b7cd4d95c0658b796c6c"
+dependencies = [
+ "colored",
+ "libc",
+ "serde",
+ "serde_json",
+ "uuid",
+]
+
+[[package]]
+name = "codspeed-divan-compat"
+version = "2.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8620a09dfaf37b3c45f982c4b65bd8f9b0203944da3ffa705c0fcae6b84655ff"
+dependencies = [
+ "codspeed",
+ "codspeed-divan-compat-macros",
+ "codspeed-divan-compat-walltime",
+]
+
+[[package]]
+name = "codspeed-divan-compat-macros"
+version = "2.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30fe872bc4214626b35d3a1706a905d0243503bb6ba3bb7be2fc59083d5d680c"
+dependencies = [
+ "divan-macros",
+ "itertools",
+ "proc-macro-crate",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "codspeed-divan-compat-walltime"
+version = "2.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "104caa97b36d4092d89e24e4b103b40ede1edab03c0372d19e14a33f9393132b"
+dependencies = [
+ "cfg-if",
+ "clap",
+ "codspeed",
+ "condtype",
+ "divan-macros",
+ "libc",
+ "regex-lite",
+]
+
 [[package]]
 name = "colorchoice"
 version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b63caa9aa9397e2d9480a9b13673856c78d8ac123288526c37d7839f2a86990"
 
+[[package]]
+name = "colored"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "117725a109d387c937a1533ce01b450cbde6b88abceea8473c4d7a85853cda3c"
+dependencies = [
+ "lazy_static",
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "combine"
 version = "4.6.7"
@@ -757,6 +821,12 @@ dependencies = [
  "crossbeam-utils",
 ]
 
+[[package]]
+name = "condtype"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf0a07a401f374238ab8e2f11a104d2851bf9ce711ec69804834de8af45c7af"
+
 [[package]]
 name = "core-foundation"
 version = "0.9.4"
@@ -889,6 +959,17 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "divan-macros"
+version = "0.1.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8dc51d98e636f5e3b0759a39257458b22619cac7e96d932da6eeb052891bb67c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "dlib"
 version = "0.5.2"
@@ -1037,6 +1118,12 @@ dependencies = [
  "winit",
 ]
 
+[[package]]
+name = "either"
+version = "1.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719"
+
 [[package]]
 name = "emath"
 version = "0.30.0"
@@ -1321,7 +1408,19 @@ checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi",
+ "wasi 0.11.0+wasi-snapshot-preview1",
+]
+
+[[package]]
+name = "getrandom"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73fea8450eea4bac3940448fb7ae50d91f034f941199fcd9d909a5a07aa455f0"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "r-efi",
+ "wasi 0.14.2+wasi-0.2.4",
 ]
 
 [[package]]
@@ -1705,6 +1804,21 @@ version = "1.70.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
 
+[[package]]
+name = "itertools"
+version = "0.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b192c782037fadd9cfa75548310488aabdbf3d2da73885b31bd0abd03351285"
+dependencies = [
+ "either",
+]
+
+[[package]]
+name = "itoa"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
+
 [[package]]
 name = "jni"
 version = "0.21.1"
@@ -1763,6 +1877,12 @@ version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2db585e1d738fc771bf08a151420d3ed193d9d895a36df7f6f8a9456b911ddc"
 
+[[package]]
+name = "lazy_static"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
+
 [[package]]
 name = "libc"
 version = "0.2.169"
@@ -1796,6 +1916,12 @@ version = "0.4.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78b3ae25bc7c8c38cec158d1f2757ee79e9b3740fbc7ccf0e59e4b08d793fa89"
 
+[[package]]
+name = "linux-raw-sys"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd945864f07fe9f5371a27ad7b52a172b4b499999f1d97574c9fa68373937e12"
+
 [[package]]
 name = "litemap"
 version = "0.7.4"
@@ -2360,6 +2486,7 @@ dependencies = [
 name = "pngme"
 version = "0.0.2"
 dependencies = [
+ "codspeed-divan-compat",
  "crc",
  "nom",
  "snafu",
@@ -2401,7 +2528,7 @@ dependencies = [
  "concurrent-queue",
  "hermit-abi",
  "pin-project-lite",
- "rustix",
+ "rustix 0.38.42",
  "tracing",
  "windows-sys 0.59.0",
 ]
@@ -2552,6 +2679,12 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "r-efi"
+version = "5.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "74765f6d916ee2faa39bc8e68e4f3ed8949b48cccdac59983d287a7cb71ce9c5"
+
 [[package]]
 name = "rand"
 version = "0.8.5"
@@ -2579,7 +2712,7 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom",
+ "getrandom 0.2.15",
 ]
 
 [[package]]
@@ -2606,6 +2739,12 @@ dependencies = [
  "bitflags 2.6.0",
 ]
 
+[[package]]
+name = "regex-lite"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53a49587ad06b26609c52e423de037e7f57f20d53535d66e08c695f347df952a"
+
 [[package]]
 name = "renderdoc-sys"
 version = "1.1.0"
@@ -2649,10 +2788,29 @@ dependencies = [
  "bitflags 2.6.0",
  "errno",
  "libc",
- "linux-raw-sys",
+ "linux-raw-sys 0.4.14",
+ "windows-sys 0.59.0",
+]
+
+[[package]]
+name = "rustix"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d97817398dd4bb2e6da002002db259209759911da105da92bec29ccb12cf58bf"
+dependencies = [
+ "bitflags 2.6.0",
+ "errno",
+ "libc",
+ "linux-raw-sys 0.9.4",
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "ryu"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
+
 [[package]]
 name = "same-file"
 version = "1.0.6"
@@ -2689,24 +2847,36 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.216"
+version = "1.0.219"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b9781016e935a97e8beecf0c933758c97a5520d32930e460142b4cd80c6338e"
+checksum = "5f0e2c6ed6606019b4e29e69dbaba95b11854410e5347d525002456dbbb786b6"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.216"
+version = "1.0.219"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46f859dbbf73865c6627ed570e78961cd3ac92407a2d117204c49232485da55e"
+checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00"
 dependencies = [
  "proc-macro2",
  "quote",
  "syn",
 ]
 
+[[package]]
+name = "serde_json"
+version = "1.0.140"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "20068b6e96dc6c9bd23e01df8827e6c7e1f2fddd43c21810382803c136b99373"
+dependencies = [
+ "itoa",
+ "memchr",
+ "ryu",
+ "serde",
+]
+
 [[package]]
 name = "serde_repr"
 version = "0.1.19"
@@ -2787,7 +2957,7 @@ dependencies = [
  "libc",
  "log",
  "memmap2",
- "rustix",
+ "rustix 0.38.42",
  "thiserror",
  "wayland-backend",
  "wayland-client",
@@ -2910,7 +3080,7 @@ dependencies = [
  "cfg-if",
  "fastrand",
  "once_cell",
- "rustix",
+ "rustix 0.38.42",
  "windows-sys 0.59.0",
 ]
 
@@ -2923,6 +3093,16 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "terminal_size"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "45c6481c4829e4cc63825e62c49186a34538b7b2750b73b266581ffb612fb5ed"
+dependencies = [
+ "rustix 1.0.5",
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "thiserror"
 version = "1.0.69"
@@ -3124,6 +3304,15 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
+[[package]]
+name = "uuid"
+version = "1.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "458f7a779bf54acc9f347480ac654f68407d3aab21269a6e3c9f922acd9e2da9"
+dependencies = [
+ "getrandom 0.3.2",
+]
+
 [[package]]
 name = "version_check"
 version = "0.9.5"
@@ -3146,6 +3335,15 @@ version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
+[[package]]
+name = "wasi"
+version = "0.14.2+wasi-0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9683f9a5a998d873c0d21fcbe3c083009670149a8fab228644b8bd36b2c48cb3"
+dependencies = [
+ "wit-bindgen-rt",
+]
+
 [[package]]
 name = "wasm-bindgen"
 version = "0.2.99"
@@ -3221,7 +3419,7 @@ checksum = "056535ced7a150d45159d3a8dc30f91a2e2d588ca0b23f70e56033622b8016f6"
 dependencies = [
  "cc",
  "downcast-rs",
- "rustix",
+ "rustix 0.38.42",
  "scoped-tls",
  "smallvec",
  "wayland-sys",
@@ -3234,7 +3432,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b66249d3fc69f76fd74c82cc319300faa554e9d865dab1f7cd66cc20db10b280"
 dependencies = [
  "bitflags 2.6.0",
- "rustix",
+ "rustix 0.38.42",
  "wayland-backend",
  "wayland-scanner",
 ]
@@ -3256,7 +3454,7 @@ version = "0.31.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "32b08bc3aafdb0035e7fe0fdf17ba0c09c268732707dca4ae098f60cb28c9e4c"
 dependencies = [
- "rustix",
+ "rustix 0.38.42",
  "wayland-client",
  "xcursor",
 ]
@@ -3801,7 +3999,7 @@ dependencies = [
  "pin-project",
  "raw-window-handle",
  "redox_syscall 0.4.1",
- "rustix",
+ "rustix 0.38.42",
  "sctk-adwaita",
  "smithay-client-toolkit",
  "smol_str",
@@ -3830,6 +4028,15 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "wit-bindgen-rt"
+version = "0.39.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f42320e61fe2cfd34354ecb597f86f413484a798ba44a8ca1165c58d42da6c1"
+dependencies = [
+ "bitflags 2.6.0",
+]
+
 [[package]]
 name = "write16"
 version = "1.0.0"
@@ -3864,7 +4071,7 @@ dependencies = [
  "libc",
  "libloading",
  "once_cell",
- "rustix",
+ "rustix 0.38.42",
  "x11rb-protocol",
 ]
 
diff --git a/crates/pngme/Cargo.toml b/crates/pngme/Cargo.toml
index 15daf25..c20557b 100644
--- a/crates/pngme/Cargo.toml
+++ b/crates/pngme/Cargo.toml
@@ -17,3 +17,10 @@ snafu = { version = "0.8.5" }
 [lib]
 name = "pngme_lib"
 path = "src/lib.rs"
+
+[dev-dependencies]
+divan = { version = "2.10.1", package = "codspeed-divan-compat" }
+
+[[bench]]
+name = "example"
+harness = false
diff --git a/crates/pngme/benches/example.rs b/crates/pngme/benches/example.rs
new file mode 100644
index 0000000..0eeb8e4
--- /dev/null
+++ b/crates/pngme/benches/example.rs
@@ -0,0 +1,15 @@
+use pngme_lib::encode;
+
+fn main() {
+    // Run registered benchmarks.
+    divan::main();
+}
+
+#[divan::bench(args = [1, 2, 4, 8, 16, 32])]
+fn fibonacci(n: u64) -> u64 {
+    if n <= 1 {
+        1
+    } else {
+        fibonacci(n - 2) + fibonacci(n - 1)
+    }
+}