{ "ok": true, "service": "PCC hosted lossless compression", "origin": "https://www.slidphilabs.com", "at": "2026-09-09T13:41:23.536Z", "cap_bytes": 4194304, "plain": "Live POST /api/compress then POST /api/decompress. gzip-9 and brotli-11 ran on the same bytes as opponents, not as occupants. Hosted cap 4 MiB. Silesia rows are slices, not the official 12-file total. AWARE is a retired alias. Not a #1 claim.", "decode_ok": 12, "n": 12, "rows": [ { "id": "zeros_40k", "label": "40,000 zeros", "kind": "zeros", "note": "Flagship fill. Official whole file.", "raw_bytes": 40000, "hosted": { "ok": true, "decode_ok": true, "packed_bytes": 14, "frame_bytes": 14, "encode_ms": 418, "decode_ms": 36, "method": "zeros" }, "gzip9": { "packed_bytes": 73, "encode_ms": 2 }, "brotli11": { "packed_bytes": 13, "encode_ms": 8 }, "ratio_hosted": 0.0003, "ratio_gzip9": 0.0018, "ratio_brotli11": 0.0003 }, { "id": "zeros_1e6", "label": "1,000,000 zeros", "kind": "zeros", "note": "Flagship fill. Official whole file.", "raw_bytes": 1000000, "hosted": { "ok": true, "decode_ok": true, "packed_bytes": 14, "frame_bytes": 14, "encode_ms": 247, "decode_ms": 67, "method": "zeros" }, "gzip9": { "packed_bytes": 1003, "encode_ms": 8 }, "brotli11": { "packed_bytes": 14, "encode_ms": 58 }, "ratio_hosted": 0, "ratio_gzip9": 0.001, "ratio_brotli11": 0 }, { "id": "text_repeat_256k", "label": "Repeating English 256 KiB", "kind": "text", "note": "Synthetic.", "raw_bytes": 262144, "hosted": { "ok": true, "decode_ok": true, "packed_bytes": 174, "frame_bytes": 174, "encode_ms": 615, "decode_ms": 48, "method": "pulsar" }, "gzip9": { "packed_bytes": 696, "encode_ms": 5 }, "brotli11": { "packed_bytes": 44, "encode_ms": 43 }, "ratio_hosted": 0.0007, "ratio_gzip9": 0.0027, "ratio_brotli11": 0.0002 }, { "id": "json_128k", "label": "Repeating JSON 128 KiB", "kind": "text", "note": "Synthetic.", "raw_bytes": 131072, "hosted": { "ok": true, "decode_ok": true, "packed_bytes": 330, "frame_bytes": 330, "encode_ms": 380, "decode_ms": 49, "method": "pulsar" }, "gzip9": { "packed_bytes": 470, "encode_ms": 1 }, "brotli11": { "packed_bytes": 61, "encode_ms": 13 }, "ratio_hosted": 0.0025, "ratio_gzip9": 0.0036, "ratio_brotli11": 0.0005 }, { "id": "int_ramp_256k", "label": "uint32 ramp 256 KiB", "kind": "ints", "note": "Synthetic.", "raw_bytes": 262144, "hosted": { "ok": true, "decode_ok": true, "packed_bytes": 3546, "frame_bytes": 3546, "encode_ms": 1167, "decode_ms": 67, "method": "pulsar" }, "gzip9": { "packed_bytes": 90677, "encode_ms": 45 }, "brotli11": { "packed_bytes": 80874, "encode_ms": 2392 }, "ratio_hosted": 0.0135, "ratio_gzip9": 0.3459, "ratio_brotli11": 0.3085 }, { "id": "mixed_256k", "label": "Zeros then text 256 KiB", "kind": "mixed", "note": "Synthetic.", "raw_bytes": 262144, "hosted": { "ok": true, "decode_ok": true, "packed_bytes": 207, "frame_bytes": 207, "encode_ms": 561, "decode_ms": 53, "method": "hosted" }, "gzip9": { "packed_bytes": 571, "encode_ms": 2 }, "brotli11": { "packed_bytes": 42, "encode_ms": 27 }, "ratio_hosted": 0.0008, "ratio_gzip9": 0.0022, "ratio_brotli11": 0.0002 }, { "id": "rand_64k", "label": "Incompressible 64 KiB", "kind": "random", "note": "Should store, not grow.", "raw_bytes": 65536, "hosted": { "ok": true, "decode_ok": true, "packed_bytes": 65542, "frame_bytes": 65542, "encode_ms": 521, "decode_ms": 75, "method": "store" }, "gzip9": { "packed_bytes": 65574, "encode_ms": 3 }, "brotli11": { "packed_bytes": 65540, "encode_ms": 31 }, "ratio_hosted": 1.0001, "ratio_gzip9": 1.0006, "ratio_brotli11": 1.0001 }, { "id": "silesia_dickens_1m", "label": "dickens first 1 MiB", "kind": "silesia-slice", "note": "Slice. Not official Silesia.", "raw_bytes": 1048576, "hosted": { "ok": true, "decode_ok": true, "packed_bytes": 293096, "frame_bytes": 293096, "encode_ms": 10606, "decode_ms": 369, "method": "pulsar" }, "gzip9": { "packed_bytes": 388949, "encode_ms": 189 }, "brotli11": { "packed_bytes": 305265, "encode_ms": 2523 }, "ratio_hosted": 0.2795, "ratio_gzip9": 0.3709, "ratio_brotli11": 0.2911 }, { "id": "silesia_xml_1m", "label": "xml first 1 MiB", "kind": "silesia-slice", "note": "Slice. Not official Silesia.", "raw_bytes": 1048576, "hosted": { "ok": true, "decode_ok": true, "packed_bytes": 110890, "frame_bytes": 110890, "encode_ms": 3002, "decode_ms": 193, "method": "pulsar" }, "gzip9": { "packed_bytes": 147473, "encode_ms": 87 }, "brotli11": { "packed_bytes": 119727, "encode_ms": 1843 }, "ratio_hosted": 0.1058, "ratio_gzip9": 0.1406, "ratio_brotli11": 0.1142 }, { "id": "silesia_ooffice_1m", "label": "ooffice first 1 MiB", "kind": "silesia-slice", "note": "Slice. Not official Silesia.", "raw_bytes": 1048576, "hosted": { "ok": true, "decode_ok": true, "packed_bytes": 526967, "frame_bytes": 526967, "encode_ms": 18148, "decode_ms": 410, "method": "pulsar" }, "gzip9": { "packed_bytes": 582532, "encode_ms": 108 }, "brotli11": { "packed_bytes": 488479, "encode_ms": 3449 }, "ratio_hosted": 0.5026, "ratio_gzip9": 0.5555, "ratio_brotli11": 0.4658 }, { "id": "silesia_mr_1m", "label": "mr first 1 MiB", "kind": "silesia-slice", "note": "Slice. Not official Silesia.", "raw_bytes": 1048576, "hosted": { "ok": true, "decode_ok": true, "packed_bytes": 245283, "frame_bytes": 245283, "encode_ms": 15410, "decode_ms": 261, "method": "pulsar" }, "gzip9": { "packed_bytes": 346418, "encode_ms": 311 }, "brotli11": { "packed_bytes": 271989, "encode_ms": 2743 }, "ratio_hosted": 0.2339, "ratio_gzip9": 0.3304, "ratio_brotli11": 0.2594 }, { "id": "silesia_dickens_4m", "label": "dickens first 4 MiB", "kind": "silesia-slice", "note": "Hosted cap. Slice. Not official Silesia.", "raw_bytes": 4194304, "hosted": { "ok": true, "decode_ok": true, "packed_bytes": 1218424, "frame_bytes": 1218424, "encode_ms": 105858, "decode_ms": 9036, "method": "pulsar" }, "gzip9": { "packed_bytes": 1579518, "encode_ms": 537 }, "brotli11": { "packed_bytes": 1194154, "encode_ms": 11524 }, "ratio_hosted": 0.2905, "ratio_gzip9": 0.3766, "ratio_brotli11": 0.2847 } ] }