{
  "version": 1,
  "id": "microscopy-chunk-block-v1",
  "label": "Microscopy chunk and block study",
  "dataset": "microscopy-core-v1",
  "inputs": ["opencell-dna", "bbbc010-brightfield", "dynacell-a549-phase", "cosem-cos7-em"],
  "backends": ["cpu", "gpu"],
  "chunk_labels": ["16K", "64K", "256K"],
  "blosc_block_bytes": [16384, "quarter-chunk", "chunk"],
  "codecs": {
    "blosc-lz4": {"level": 3, "shuffle": "bit"},
    "blosc-zstd": {"level": 3, "shuffle": "bit"},
    "lz4": {"level": 1, "shuffle": "none"},
    "zstd": {"level": 3, "shuffle": "none"},
    "none": {"level": 0, "shuffle": "none"}
  },
  "chunk_depth": 1,
  "geometry_frames": null,
  "sink": "discard",
  "profiles": {
    "cpu": {"warmup_s": 1.0, "duration_s": 1.0, "min_gib": 0.125, "repeats": 3},
    "gpu": {"warmup_s": 0.25, "duration_s": 1.0, "min_gib": 0.125, "repeats": 1}
  },
  "reference": {
    "warmup_s": 2.0,
    "duration_s": 8.0,
    "min_gib": 0.125,
    "chunk_label": "256K",
    "blosc_block_bytes": 262144,
    "codecs": {
      "opencell-dna": "blosc-lz4",
      "bbbc010-brightfield": "zstd",
      "dynacell-a549-phase": "lz4",
      "cosem-cos7-em": "blosc-zstd"
    }
  },
  "reference_every": 12,
  "tolerance_percent": 2.0,
  "seed": 20260913,
  "environment": {"gpu": "NVIDIA L40", "cpu_count": 8},
  "pilot": [
    {"codec": "none", "chunk_label": "256K"},
    {"codec": "blosc-zstd", "chunk_label": "16K", "blosc_block_bytes": 16384},
    {"codec": "blosc-zstd", "chunk_label": "256K", "blosc_block_bytes": 262144},
    {"codec": "zstd", "chunk_label": "16K"}
  ]
}