CUDA Turing Compatibility Guide
Type: Guide Tags: NVIDIA, CUDA, Turing, compatibility, PTX, cubin, NVCC, compute capability Related: CUDA-Compatibility, CUDA-Turing-Tuning-Guide, NVIDIA-Turing-Architecture, CUDA-Programming-Guide, NVCC, PTX-ISA Sources: https://docs.nvidia.com/cuda/turing-compatibility-guide/index.html Last Updated: 2026-04-29
Summary
The CUDA Turing Compatibility Guide is NVIDIA’s application note for ensuring CUDA applications run on Turing GPUs. It covers PTX/cubin compatibility, forced PTX JIT testing, and build targets for Turing support.
Detail
Purpose
Turing introduced compute capability 7.5 and is still relevant for RTX-era workstation/client and some inference deployments. The compatibility guide helps developers understand whether older binaries include PTX or Turing-native cubins.
Key guidance
- Include PTX in CUDA binaries to preserve forward compatibility.
- Use
CUDA_FORCE_PTX_JIT=1to test whether existing applications have usable PTX. - Rebuild with Turing-native cubins where startup overhead or architecture-specific behavior matters.
- Check independent thread scheduling assumptions when porting code from older warp-synchronous assumptions.
NVIDIA context
Turing is not the leading data center generation, but it remains part of the current CUDA docs and is relevant for long-lived applications that support multiple GPU generations.
Connections
- CUDA-Compatibility - broader driver/toolkit compatibility.
- CUDA-Turing-Tuning-Guide - Turing-specific performance guide.
- NVIDIA-Turing-Architecture - architecture-level Turing page.
- CUDA-Programming-Guide - CUDA compilation and programming model.
- NVCC - compiler driver for architecture targets.
- PTX-ISA - forward-compatible PTX form discussed by the guide.
Source Excerpts
- NVIDIA’s Turing compatibility guide documents PTX/cubin compatibility and PTX JIT testing for Turing GPUs.