diff --git a/.circleci/config.yml b/.circleci/config.yml
index dec0898..01ed42c 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,97 +2,38 @@ version: 2.1
 
 executors:
   default:
+    docker:
+      - image: cimg/rust:1.70
+    resource_class: small
+  gpu:
     machine:
       image: linux-cuda-12:2023.05.1
-    working_directory: ~/gpuci
-    resource_class: gpu.nvidia.medium
+    resource_class: gpu.nvidia.small
 
-restore-workspace: &restore-workspace
-  attach_workspace:
-    at: ~/
-
-restore-cache: &restore-cache
-  restore_cache:
-    keys:
-      - cargo-v0-{{ checksum "rust-toolchain" }}-{{ checksum "Cargo.toml" }}-{{ checksum "Cargo.lock" }}-{{ arch }}
-      - repo-source-{{ .Branch }}-{{ .Revision }}
-
-commands:
-  set-env-path:
+jobs:
+  test:
+    executor: gpu
     steps:
+      - checkout
       - run:
-          name: Set the PATH env variable
+          name: Install OpenCL
           command: |
-            echo 'export PATH="$HOME:~/.cargo/bin:/usr/local/cuda-11.2/bin:$PATH"' | tee --append $BASH_ENV
-            source $BASH_ENV
-
-  test_target:
-    parameters:
-      target:
-        type: string
-    steps:
-      - *restore-workspace
-      - *restore-cache
+            sudo apt update
+            sudo apt install ocl-icd-opencl-dev --no-install-recommends --yes
       - run:
-          name: Test (<< parameters.target >>)
-          command: TARGET=<< parameters.target >> cargo test
-          no_output_timeout: 15m
-
-jobs:
-
-  cargo_fetch:
-    executor: default
-    steps:
-      - checkout
-      - run: curl https://sh.rustup.rs -sSf | sh -s -- -y
-      - set-env-path
-      - run: echo $BASH_ENV
-      - run: echo $HOME
-      - run: cargo --version
-      - run: rustc --version
+          name: Install Rust
+          command: curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain $(cat rust-toolchain) --profile minimal -y
       - run:
-          name: Update submodules
-          command: git submodule update --init --recursive
+          name: Run tests
+          command: cargo test
       - run:
-          name: Calculate dependencies
-          command: cargo generate-lockfile
-      - restore_cache:
-          keys:
-            - cargo-v0-{{ checksum "rust-toolchain" }}-{{ checksum "Cargo.toml" }}-{{ checksum "Cargo.lock" }}-{{ arch }}
-      - run: cargo update
-      - run: cargo fetch
-      - run: rustup install $(cat rust-toolchain)
-      - run: rustup default $(cat rust-toolchain)
-      - run: rustc --version
-      - run: rm -rf .git
-      - persist_to_workspace:
-          root: ~/
-          paths:
-            - gpuci
-      - save_cache:
-          key: cargo-v0-{{ checksum "rust-toolchain" }}-{{ checksum "Cargo.toml" }}-{{ checksum "Cargo.lock" }}-{{ arch }}
-          paths:
-            - "~/.cargo"
-            - "~/.rustup"
-
-  test_x86_64-unknown-linux-gnu:
-    executor: default
-    steps:
-      - set-env-path
-      - run: sudo apt-get update -y
-      - run: apt-cache search opencl
-      - run: sudo apt install -y ocl-icd-opencl-dev
-      - test_target:
-          target: "x86_64-unknown-linux-gnu"
+          name: Run `add` example
+          command: cargo run --example add
 
   rustfmt:
     executor: default
     steps:
-      - *restore-workspace
-      - *restore-cache
-      - set-env-path
-      - run: echo 'export PATH="$HOME:~/.cargo/bin:$PATH"' >> $BASH_ENV
-      - run: source $BASH_ENV
+      - checkout
       - run:
           name: Run cargo fmt
           command: cargo fmt --all -- --check
@@ -100,9 +41,7 @@ jobs:
   clippy:
     executor: default
     steps:
-      - *restore-workspace
-      - *restore-cache
-      - set-env-path
+      - checkout
       - run:
           name: Run cargo clippy
           command: cargo clippy --all-features --all-targets -- -D warnings
@@ -110,29 +49,15 @@ jobs:
   build:
     executor: default
     steps:
-      - *restore-workspace
-      - *restore-cache
-      - set-env-path
+      - checkout
       - run:
           name: Run cargo release build
           command: cargo build --release
 
-  example:
-    executor: default
-    steps:
-      - *restore-workspace
-      - *restore-cache
-      - set-env-path
-      - run:
-          name: Run `add` example
-          command: cargo run --example add
-
   rustdoc:
     executor: default
     steps:
-      - *restore-workspace
-      - *restore-cache
-      - set-env-path
+      - checkout
       - run:
           name: Run rustdoc
           command: cargo rustdoc --all-features -- -D warnings
@@ -142,22 +67,8 @@ workflows:
 
   test:
     jobs:
-      - cargo_fetch
-      - rustfmt:
-          requires:
-            - cargo_fetch
-      - clippy:
-          requires:
-            - cargo_fetch
-      - test_x86_64-unknown-linux-gnu:
-          requires:
-            - cargo_fetch
-      - build:
-          requires:
-            - cargo_fetch
-      - example:
-          requires:
-            - cargo_fetch
-      - rustdoc:
-          requires:
-            - cargo_fetch
+      - rustfmt
+      - clippy
+      - test
+      - build
+      - rustdoc