# Environment Variables

| Name | Default | Description |
| ------------------------------------|:---:| --- |
| NGRAPH_CODEGEN | |
| NGRAPH_COMPILER_DEBUGINFO_ENABLE | |
| NGRAPH_COMPILER_DIAG_ENABLE | |
| NGRAPH_COMPILER_REPORT_ENABLE | |
| NGRAPH_CPU_BIN_TRACER_LOG | |
| NGRAPH_CPU_CHECK_PARMS_AND_CONSTS | |
| NGRAPH_CPU_CONCURRENCY | |
| NGRAPH_CPU_DEBUG_TRACER | |
| NGRAPH_CPU_EIGEN_THREAD_COUNT | |
| NGRAPH_CPU_INF_CHECK | |
| NGRAPH_CPU_NAN_CHECK | |
| NGRAPH_CPU_TRACER_LOG | |
| NGRAPH_CPU_TRACING | |
| NGRAPH_CPU_USE_REF_KERNELS | |
| NGRAPH_CPU_USE_TBB | |
| NGRAPH_DECONV_FUSE | |
| NGRAPH_DEX_DEBUG | |
| NGRAPH_DISABLE_LOGGING | |
| NGRAPH_DISABLED_FUSIONS | |
| NGRAPH_ENABLE_REPLACE_CHECK | |
| NGRAPH_ENABLE_SERIALIZE_TRACING | |
| NGRAPH_ENABLE_TRACING | |
| NGRAPH_ENABLE_VISUALIZE_TRACING | |
| NGRAPH_FAIL_MATCH_AT | |
| NGRAPH_GRAPH_REWRITE_RERUN_DYNAMIC_CHECK | |
| NGRAPH_GTEST_INFO | |
| NGRAPH_INTER_OP_PARALLELISM | |
| NGRAPH_INTRA_OP_PARALLELISM | |
| NGRAPH_MLIR | |
| NGRAPH_MLIR_MAX_CYCLE_DEPTH | |
| NGRAPH_MLIR_OPT_LEVEL | |
| NGRAPH_MLIR_OPTIONS | |
| NGRAPH_PASS_ATTRIBUTES | |
| NGRAPH_PASS_CPU_LAYOUT_ELTWISE | |
| NGRAPH_PASS_ENABLES | |
| NGRAPH_PROFILE_PASS_ENABLE | |
| NGRAPH_PROVENANCE_ENABLE | |
| NGRAPH_SERIALIZER_OUTPUT_SHAPES | |
| NGRAPH_VISUALIZE_EDGE_JUMP_DISTANCE | |
| NGRAPH_VISUALIZE_EDGE_LABELS | |
| NGRAPH_VISUALIZE_TRACING_FORMAT | |
| NGRAPH_VISUALIZE_TREE_OUTPUT_SHAPES | |
| NGRAPH_VISUALIZE_TREE_OUTPUT_TYPES | |
| OMP_NUM_THREADS | |
