diff --git a/Cargo.toml b/Cargo.toml
index 6230b63..767aa5f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,4 +3,7 @@ resolver = "2"
 members = ["calculate", "generate"]
 
 [profile.release]
-debug = true
\ No newline at end of file
+debug = false
+panic = "abort"
+codegen-units = 1
+lto = "fat"
diff --git a/calculate/Cargo.toml b/calculate/Cargo.toml
index fe20cb1..ab4df46 100644
--- a/calculate/Cargo.toml
+++ b/calculate/Cargo.toml
@@ -3,10 +3,6 @@ name = "bilrow-calculate"
 version = "0.1.0"
 edition = "2021"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-[profile.release]
-debug = true
-
 [dependencies]
 clap = { version = "4.5.7", features = ["derive"] }
 bumpalo-herd = "0.1.2"
diff --git a/calculate/src/optimized.rs b/calculate/src/optimized.rs
index 08b3d12..c13f031 100644
--- a/calculate/src/optimized.rs
+++ b/calculate/src/optimized.rs
@@ -133,6 +133,7 @@ pub(crate) fn run(args: Args) -> Result<()> {
     Ok(())
 }
 
+#[inline(always)]
 fn parse_temp(input: &[u8], sep_pos: usize, nl_pos: usize) -> i64 {
     let sign = 2 * (unsafe { *input.get_unchecked(sep_pos + 1) } != b'-') as i64 - 1;
     let a_byte = unsafe { *input.get_unchecked(nl_pos - 4) };
@@ -145,10 +146,12 @@ fn parse_temp(input: &[u8], sep_pos: usize, nl_pos: usize) -> i64 {
 const LANES: usize = 32;
 type Chunk = Simd<u8, LANES>;
 
+#[inline(always)]
 fn find_sep(b: &[u8]) -> Option<usize> {
     memchr(b';', b)
 }
 
+#[inline(always)]
 fn find_nl(b: &[u8]) -> Option<usize> {
     memchr(b'\n', b)
 }