diff --git a/Cargo.lock b/Cargo.lock
index 0e085b4..f53accb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1208,6 +1208,16 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "num_cpus"
+version = "1.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4161fcb6d602d4d2081af7c3a45852d875a03dd337a6bfdd6e06407b61342a43"
+dependencies = [
+ "hermit-abi",
+ "libc",
+]
+
 [[package]]
 name = "number_prefix"
 version = "0.4.0"
@@ -1634,6 +1644,7 @@ dependencies = [
  "hound",
  "jpreprocess",
  "ndarray",
+ "num_cpus",
  "once_cell",
  "ort",
  "regex",
diff --git a/sbv2_core/Cargo.toml b/sbv2_core/Cargo.toml
index 2fc6818..c8f7974 100644
--- a/sbv2_core/Cargo.toml
+++ b/sbv2_core/Cargo.toml
@@ -8,6 +8,7 @@ anyhow.workspace = true
 hound = "3.5.1"
 jpreprocess = { version = "0.10.0", features = ["naist-jdic"] }
 ndarray = "0.16.1"
+num_cpus = "1.16.0"
 once_cell = "1.19.0"
 ort = { git = "https://github.com/pykeio/ort.git", version = "2.0.0-rc.5" }
 regex = "1.10.6"
diff --git a/sbv2_core/src/model.rs b/sbv2_core/src/model.rs
index ae6c535..a44b6f5 100644
--- a/sbv2_core/src/model.rs
+++ b/sbv2_core/src/model.rs
@@ -8,6 +8,9 @@ pub fn load_model(model_file: &str) -> Result<Session> {
     let session = Session::builder()?
         .with_optimization_level(GraphOptimizationLevel::Level3)?
         .with_intra_threads(1)?
+        .with_intra_threads(num_cpus::get_physical())?
+        .with_parallel_execution(true)?
+        .with_inter_threads(num_cpus::get_physical())?
         .commit_from_file(model_file)?;
     Ok(session)
 }