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Quickstart

Get Wafer installed and start using it in your GPU development workflow.

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Installation

  1. Open VS Code or Cursor
  2. Go to Extensions (Cmd+Shift+X on Mac, Ctrl+Shift+X on Windows/Linux)
  3. Search for “Wafer”
  4. Click Install

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Getting Started

1

Open Wafer

Click the Wafer icon in the VS Code activity bar (left sidebar) to open the Wafer panel.
2

Sign In

Sign in with GitHub to access all features. Click the sign-in button in the Wafer panel.
3

Choose a Tool

Select a tool from the dropdown in the top bar:
  • NCU Profiler — Analyze Nsight Compute reports
  • Daily Kernel — Practice GPU programming challenges

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Quick Examples

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Analyze an NCU Report

1

Select NCU Profiler

Choose NCU Profiler from the tool dropdown.
2

Open a Report

Click Select .ncu-rep file and choose an existing Nsight Compute report.
3

View Results

Browse kernel metrics, performance diagnostics, and optimization recommendations. Switch to the Source tab to view PTX/SASS assembly.

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Try Daily Kernel

1

Select Daily Kernel

Choose Daily Kernel from the tool dropdown (or click the puzzle icon).
2

Read the Problem

Review the challenge description, examples, and constraints.
3

Start Challenge

Click Start Challenge to create a new file with starter code in your workspace.

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Prerequisites

Before using certain features, make sure you have the required tools installed:
NVIDIA Nsight Compute must be installed and the ncu CLI available on your PATH.
No local installation required—Daily Kernel works out of the box. You can write your solutions in CUDA or CuTe DSL.

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Next Steps

NCU Profiler Guide

Learn how to analyze performance reports in depth.

Daily Kernel

Start practicing GPU programming challenges.

Troubleshooting

Common issues and how to fix them.

Settings

Configure Wafer and manage your subscription.