Intel® oneAPI DPC++/C++ Compiler

A Standards-Based, Cross-architecture Compiler

Future-Ready Programming Model Provides Freedom of Choice

What You Can Do

  • Compile ISO C++ and SYCL (from the Khronos* Group)
  • Reuse code across hardware targets, including CPUs, GPUs, and FPGAs.
  • Avoid proprietary lock-in with a cross-industry, open, standards-based unified programming model.

Learn More about SYCL

 

Realize All the Hardware Value

  • Get great performance from industry-leading Intel® compiler technology.
  • Generate optimized binary host code and accelerator code.
  • Use optimized Intel oneAPI performance and threading libraries.

Learn More about Intel® oneAPI Tools

 

Confidently Develop Performant Code Quickly and Correctly

  • Integrate seamlessly with popular third-party compilers, development environments, and operating systems.
  • Use the latest standards including C++ 20, SYCL, and OpenMP* 5.0 and 5.1 for GPU offload.†
  • Stay compatible with existing CPU-focused workflows with Intel® C++ Compiler Classic.

 

Download as Part of a Toolkit

Get the compiler in any of these toolkits.

 

Intel® oneAPI Base Toolkit

Intel® oneAPI HPC Toolkit

Intel® oneAPI IoT Toolkit

Develop in the Cloud

Build and optimize oneAPI multiarchitecture applications using the latest optimized Intel® oneAPI and AI tools, and test your workloads across Intel® CPUs and GPUs. No hardware installations, software downloads, or configuration necessary. Free for 120 days with extensions possible.

 

Download the Stand-Alone Version

A stand-alone download of the Intel® oneAPI DPC++/C++ Compiler is available. You can download binaries from Intel or choose your preferred repository.

      

Runtime Version

Help the Intel oneAPI DPC++/C++ Compiler Evolve

This compiler is part of the open oneAPI industry standards initiative. You are welcome to participate.
 

Specification

Open Source Compiler (GitHub*)

Cross-architecture Compiling

  • Development Productivity: Targets CPUs and accelerators through single-source code while permitting custom tuning
  • Language Standards Support: Is built to the latest standards, including C++ 17 and SYCL†, and support for C++ 20, to ensure portability and support of features like generic lambda expressions and variable templates
  • Industry Standards Support: Supports a subset of OpenMP 4.5, 5.0, and 5.1 for GPU offload†
  • Trusted Technology: Uses well-proven LLVM compiler technology as well as Intel's history of compiler leadership

†Available in the Intel oneAPI DPC++/C++ Compiler only.

Learn More about the Intel® oneAPI DPC++ Library

FPGA Emulation and Compilation

  • Enables experienced FPGA developers to target accelerations workloads to field-programmable platforms
  • Is included with the compiler 

Note  Full FPGA programming requires the optional Intel® FPGA Add-on for the oneAPI Base Toolkit.

Learn More

Benchmarks

Part 1: Intel Compilers Boost C++ Application Performance on Linux

Part 2: Intel Compilers Boost C++ Application Performance on Linux

Intel Compilers Perform on C++ Embedded Applications

Intel Compilers Boost C++ Application Performance (Single Thread) on Linux

Part 1: Intel Compilers Boost C++ Application Performance on Windows

Part 2: Intel Compilers Boost C++ Application Performance on Windows

News & Case Studies

Tencent Gains Up to 85% Performance Boost for MySQL

"TencentDB for MySQL is designed to provide customers with secure, reliable, high-performance, and easy-to-maintain enterprise-level cloud database services. And Intel oneAPI DPC++/C++ Compiler can bring Tencent another avenue to get better MySQL performance."

— Ben Cheng, TencentDB

Alibaba Cloud E-HPC-DP: A Winning E-HPC Cloud Collaboration

E-HPC provides individual users, education and research institutions, and public institutions with a fast, elastic, and secure cloud compute platform. With the Intel oneAPI toolkit, E-HPC can help customers build a high-performance, profiling computing platform on Intel Xeon Scalable processors.

Specifications

Intel oneAPI DPC++/C++ Compiler

Processors:
  • Intel Xeon Scalable processors
  • Intel Xeon processors
  • Intel Core processors
  • Intel Atom processors
GPUs:
  • Intel® UHD Graphics for 11th generation Intel processors or newer
  • Intel® Iris Xᵉ graphics or newer
  • Intel® Arc™ A-Series graphics
  • Intel® Server GPU
  • Intel® Data Center GPU Flex Series
  • Intel® Data Center GPU Max Series
FPGAs:
  • Intel® Programmable Acceleration Card with Intel® Arria® 10 GX FPGA
  • Intel® Stratix® 10 FPGA
  • Intel® Agilex™ FPGA
Host and target operating systems:
  • Windows*
  • Linux*
Languages:

For more information, see the system requirements.


  

Development environments:
  • Microsoft Visual Studio*, Microsoft Visual Studio Code
  • Eclipse* IDE
Threading:
  • Intel® oneAPI Threading Building Blocks
  • OpenMP†
  • Native threads

†OpenMP host and offload support is available only in the Intel oneAPI DPC++/C++ Compiler

Intel C++ Compiler Classic


Processor:
  • Intel Xeon Scalable processors
  • Intel Xeon processors
  • Intel Core processors
  • Intel Atom processors

  

Host and target operating systems:
  • Windows
  • Linux
  • macOS*
Languages:
  • C and C++

For more information, see the system requirements.

   

Development environments:
  • Microsoft Visual Studio, Microsoft Visual Studio Code
  • Eclipse IDE
Threading:
  • Intel oneAPI Threading Building Blocks
  • OpenMP†
  • Native threads

†OpenMP host support only

Get Help

Your success is our success. Access these support resources when you need assistance.

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  • Work with a familiar set of tools on your preferred platform: Windows, Linux, or macOS

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