xxh3_64()

Cargo.toml

@@ -56,7 +56,6 @@ optimize = []
 strict_provenance = []
 
 [dependencies]
-ahash = { version = "^0.8.9", default-features = false, features = ["compile-time-rng"] }
 arrayvec = { version = "0.7", default-features = false, features = ["std", "serde"] }
 associative-cache = { version = "2", default-features = false }
 beef = { version = "0.5", default-features = false, features = ["impl_serde"] }
@@ -67,14 +66,15 @@ encoding_rs = { version = "0.8", default-features = false }
 half = { version = "2", default-features = false, features = ["std"] }
 itoa = { version = "1", default-features = false }
 itoap = { version = "1", features = ["std", "simd"] }
-once_cell = { version = "1", default-features = false, features = ["race"] }
+once_cell = { version = "1", default-features = false, features = ["alloc", "race"] }
 pyo3-ffi = { version = "^0.21", default-features = false, features = ["extension-module"]}
 ryu = { version = "1", default-features = false }
 serde = { version = "1", default-features = false }
 serde_json = { version = "1", default-features = false, features = ["std", "float_roundtrip"] }
-simdutf8 = { version = "0.1", default-features = false, features = ["std", "aarch64_neon"] }
+simdutf8 = { version = "0.1", default-features = false, features = ["std", "public_imp", "aarch64_neon"] }
 smallvec = { version = "^1.11", default-features = false, features = ["union", "write"] }
 unwinding = { version = "0.2", features = ["unwinder"], optional = true }
+xxhash-rust = { version = "^0.8", default-features = false, features = ["xxh3"] }
 
 [build-dependencies]
 cc = { version = "1" }

src/deserialize/cache.rs

@@ -3,7 +3,6 @@
 use associative_cache::{AssociativeCache, Capacity2048, HashDirectMapped, RoundRobinReplacement};
 use core::ffi::c_void;
 use once_cell::unsync::OnceCell;
-use std::hash::Hasher;
 
 #[repr(transparent)]
 pub struct CachedKey {
@@ -40,9 +39,6 @@ pub static mut KEY_MAP: OnceCell<KeyMap> = OnceCell::new();
 
 #[inline(always)]
 pub fn cache_hash(key: &[u8]) -> u64 {
-    // try to omit code for >64 path in ahash
     assume!(key.len() <= 64);
-    let mut hasher = ahash::AHasher::default();
-    hasher.write(key);
-    hasher.finish()
+    xxhash_rust::xxh3::xxh3_64(key)
 }