diff --git a/src/gpu/pipeline.rs b/src/gpu/pipeline.rs
index 0c219f7..c56a97e 100644
--- a/src/gpu/pipeline.rs
+++ b/src/gpu/pipeline.rs
@@ -2,11 +2,12 @@
 
 use super::{GpuConfig, GpuContext};
 use anyhow::Result;
-use std::sync::Arc;
+use std::collections::HashMap;
+use std::sync::{Arc, Mutex, OnceLock};
 use tracing::info;
 use wgpu::{BindGroupLayout, ComputePipeline};
 
-#[derive(Clone, Copy, Debug, Eq, PartialEq)]
+#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
 pub enum WorkgroupVariant {
     Wg64,
     Wg128,
@@ -31,6 +32,17 @@ pub struct KangarooPipeline {
 
 impl KangarooPipeline {
     pub fn new(ctx: &GpuContext, variant: WorkgroupVariant) -> Result<Self> {
+        static PIPELINE_CACHE: OnceLock<
+            Mutex<HashMap<(usize, WorkgroupVariant), KangarooPipeline>>,
+        > = OnceLock::new();
+
+        let device_key = Arc::as_ptr(&ctx.device) as usize;
+        let cache = PIPELINE_CACHE.get_or_init(|| Mutex::new(HashMap::new()));
+        let mut guard = cache.lock().expect("pipeline cache poisoned");
+        if let Some(pipeline) = guard.get(&(device_key, variant)).cloned() {
+            return Ok(pipeline);
+        }
+
         info!("Loading shader sources...");
 
         let field = crate::gpu_crypto::shaders::FIELD_WGSL;
@@ -148,10 +160,14 @@ impl KangarooPipeline {
             });
         info!("Compute pipeline created");
 
-        Ok(Self {
+        let pipeline = Self {
             pipeline: Arc::new(pipeline),
             bind_group_layout: Arc::new(bind_group_layout),
             variant,
-        })
+        };
+
+        guard.insert((device_key, variant), pipeline.clone());
+
+        Ok(pipeline)
     }
 }