Skip to content

perf(gpu): cache compute pipelines across repeated solves #100

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
oritwoen merged 2 commits into from
Mar 31, 2026
Merged

perf(gpu): cache compute pipelines across repeated solves #100

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
98457f7
Cache compute pipelines across repeated solves
oritwoen Mar 27, 2026
5d1ac42
fix(gpu): hold pipeline cache lock across compilation
oritwoen Mar 31, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
24 changes: 20 additions & 4 deletions src/gpu/pipeline.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -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,
Expand All @@ -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();
Comment thread
oritwoen marked this conversation as resolved.

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");
Comment thread
oritwoen marked this conversation as resolved.
if let Some(pipeline) = guard.get(&(device_key, variant)).cloned() {
return Ok(pipeline);
Comment thread
oritwoen marked this conversation as resolved.
}

info!("Loading shader sources...");

let field = crate::gpu_crypto::shaders::FIELD_WGSL;
Expand Down Expand Up @@ -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)
}
}
Loading