# Configuration

- [Backends](/en-1.0.0-m1.1/multi-project/explanation/configuration/backends.md): Hardware setup for Eclipse Deeplearning4j, including GPUs and CUDA.
- [Performance Issues](/en-1.0.0-m1.1/multi-project/explanation/configuration/backends/performance-issues.md): How to Debug Performance Issues
- [CPU](/en-1.0.0-m1.1/multi-project/explanation/configuration/backends/cpu.md): CPU and AVX support in ND4J/Deeplearning4j
- [Cudnn](/en-1.0.0-m1.1/multi-project/explanation/configuration/backends/cudnn.md): Using the NVIDIA cuDNN library with DL4J.
- [Memory](/en-1.0.0-m1.1/multi-project/explanation/configuration/memory.md): Setting available Memory/RAM for a DL4J application
- [Workspaces](/en-1.0.0-m1.1/multi-project/explanation/configuration/memory/workspaces.md): Workspaces are an efficient model for memory paging in DL4J.