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sglang/docs/diffusion/environment_variables.md
qianyue76 f06ab17a73 [diffusion] docs: consolidate diffusion documentation into docs (#18095)
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Caching Acceleration

These variables configure caching acceleration for Diffusion Transformer (DiT) models. SGLang supports multiple caching strategies - see caching documentation for an overview.

Cache-DiT Configuration

See cache-dit documentation for detailed configuration.

Environment Variable Default Description
SGLANG_CACHE_DIT_ENABLED false Enable Cache-DiT acceleration
SGLANG_CACHE_DIT_FN 1 First N blocks to always compute
SGLANG_CACHE_DIT_BN 0 Last N blocks to always compute
SGLANG_CACHE_DIT_WARMUP 4 Warmup steps before caching
SGLANG_CACHE_DIT_RDT 0.24 Residual difference threshold
SGLANG_CACHE_DIT_MC 3 Max continuous cached steps
SGLANG_CACHE_DIT_TAYLORSEER false Enable TaylorSeer calibrator
SGLANG_CACHE_DIT_TS_ORDER 1 TaylorSeer order (1 or 2)
SGLANG_CACHE_DIT_SCM_PRESET none SCM preset (none/slow/medium/fast/ultra)
SGLANG_CACHE_DIT_SCM_POLICY dynamic SCM caching policy
SGLANG_CACHE_DIT_SCM_COMPUTE_BINS not set Custom SCM compute bins
SGLANG_CACHE_DIT_SCM_CACHE_BINS not set Custom SCM cache bins

Cloud Storage

These variables configure S3-compatible cloud storage for automatically uploading generated images and videos.

Environment Variable Default Description
SGLANG_CLOUD_STORAGE_TYPE not set Set to s3 to enable cloud storage
SGLANG_S3_BUCKET_NAME not set The name of the S3 bucket
SGLANG_S3_ENDPOINT_URL not set Custom endpoint URL (for MinIO, OSS, etc.)
SGLANG_S3_REGION_NAME us-east-1 AWS region name
SGLANG_S3_ACCESS_KEY_ID not set AWS Access Key ID
SGLANG_S3_SECRET_ACCESS_KEY not set AWS Secret Access Key