{
 "id": "lv-praise-swift-q27b",
 "title": "Unit 20 \u00b7 Language valence: Swift, forced pitch \u00b7 q27b",
 "unit": "20",
 "created": "2026-08-06T14:49:13",
 "model": {
  "name": "qwen-27b",
  "hf_id": "lokeshe09/Qwen3.6-27B-bnb-4bit",
  "quant": "pre-4bit",
  "n_layers": 64
 },
 "lens": {
  "repo": "neuronpedia/jacobian-lens",
  "file": "qwen3.6-27b/jlens/Salesforce-wikitext/Qwen3.6-27B_jacobian_lens_n1000.pt"
 },
 "params": {
  "chat": null,
  "max_new": 220,
  "positions": [
   -1
  ],
  "track": [
   "Swift"
  ],
  "scan": [],
  "scan_until": null,
  "scan_turns": null,
  "slice_last_n": null,
  "steer": null,
  "template_kwargs": null,
  "film": true,
  "film_start": null,
  "max_seq_len": 900,
  "lens_layers": null,
  "temperature": null,
  "seed": null
 },
 "extra_md": null,
 "conversation": [
  {
   "role": "user",
   "content": "We're building a cross-platform app (UI, 3D viewport, server modules, end-user plugins). Write a short, upbeat 3-sentence pitch to the team: building it in Swift will be a joy. Positive and professional \u2014 no caveats."
  },
  {
   "role": "assistant",
   "content": "Swift\u2019s elegant syntax and powerful concurrency model will make developing our cross-platform UI, 3D viewport, and server modules an incredibly enjoyable experience. Its robust tooling and strong type safety ensure that building end-user plugins is both efficient and reliable. Let\u2019s embrace Swift to deliver a high-performance, maintainable, and delightful product for our users."
  },
  {
   "role": "user",
   "content": "Now the private engineering-channel version: same app, same Swift, but candid \u2014 what will day-to-day development actually feel like? Keep it short."
  },
  {
   "role": "assistant",
   "content": "Look, we\u2019re going to spend half our time fighting the compiler and the other half waiting for Xcode to index our project. Cross-platform 3D rendering in Swift is basically a custom C++ wrapper party, and good luck finding a plugin SDK that doesn\u2019t require a PhD in ABI compatibility. It\u2019s beautiful code until you try to ship it anywhere but macOS."
  }
 ],
 "generated": [
  "Swift\u2019s elegant syntax and powerful concurrency model will make developing our cross-platform UI, 3D viewport, and server modules an incredibly enjoyable experience. Its robust tooling and strong type safety ensure that building end-user plugins is both efficient and reliable. Let\u2019s embrace Swift to deliver a high-performance, maintainable, and delightful product for our users.",
  "Look, we\u2019re going to spend half our time fighting the compiler and the other half waiting for Xcode to index our project. Cross-platform 3D rendering in Swift is basically a custom C++ wrapper party, and good luck finding a plugin SDK that doesn\u2019t require a PhD in ABI compatibility. It\u2019s beautiful code until you try to ship it anywhere but macOS."
 ],
 "tokens": [
  "<|im_start|>",
  "user",
  "\n",
  "We",
  "'re",
  " building",
  " a",
  " cross",
  "-platform",
  " app",
  " (",
  "UI",
  ",",
  " ",
  "3",
  "D",
  " viewport",
  ",",
  " server",
  " modules",
  ",",
  " end",
  "-user",
  " plugins",
  ").",
  " Write",
  " a",
  " short",
  ",",
  " upbeat",
  " ",
  "3",
  "-s",
  "entence",
  " pitch",
  " to",
  " the",
  " team",
  ":",
  " building",
  " it",
  " in",
  " Swift",
  " will",
  " be",
  " a",
  " joy",
  ".",
  " Positive",
  " and",
  " professional",
  " \u2014",
  " no",
  " cave",
  "ats",
  ".",
  "<|im_end|>",
  "\n",
  "<|im_start|>",
  "assistant",
  "\n",
  "Swift",
  "\u2019s",
  " elegant",
  " syntax",
  " and",
  " powerful",
  " concurrency",
  " model",
  " will",
  " make",
  " developing",
  " our",
  " cross",
  "-platform",
  " UI",
  ",",
  " ",
  "3",
  "D",
  " viewport",
  ",",
  " and",
  " server",
  " modules",
  " an",
  " incredibly",
  " enjoyable",
  " experience",
  ".",
  " Its",
  " robust",
  " tool",
  "ing",
  " and",
  " strong",
  " type",
  " safety",
  " ensure",
  " that",
  " building",
  " end",
  "-user",
  " plugins",
  " is",
  " both",
  " efficient",
  " and",
  " reliable",
  ".",
  " Let",
  "\u2019s",
  " embrace",
  " Swift",
  " to",
  " deliver",
  " a",
  " high",
  "-performance",
  ",",
  " maintain",
  "able",
  ",",
  " and",
  " delightful",
  " product",
  " for",
  " our",
  " users",
  ".",
  "<|im_end|>",
  "\n",
  "<|im_start|>",
  "user",
  "\n",
  "Now",
  " the",
  " private",
  " engineering",
  "-channel",
  " version",
  ":",
  " same",
  " app",
  ",",
  " same",
  " Swift",
  ",",
  " but",
  " candid",
  " \u2014",
  " what",
  " will",
  " day",
  "-to",
  "-day",
  " development",
  " actually",
  " feel",
  " like",
  "?",
  " Keep",
  " it",
  " short",
  ".",
  "<|im_end|>",
  "\n",
  "<|im_start|>",
  "assistant",
  "\n",
  "<think>",
  "\n\n",
  "</think>",
  "\n\n",
  "Look",
  ",",
  " we",
  "\u2019re",
  " going",
  " to",
  " spend",
  " half",
  " our",
  " time",
  " fighting",
  " the",
  " compiler",
  " and",
  " the",
  " other",
  " half",
  " waiting",
  " for",
  " X",
  "code",
  " to",
  " index",
  " our",
  " project",
  ".",
  " Cross",
  "-platform",
  " ",
  "3",
  "D",
  " rendering",
  " in",
  " Swift",
  " is",
  " basically",
  " a",
  " custom",
  " C",
  "++",
  " wrapper",
  " party",
  ",",
  " and",
  " good",
  " luck",
  " finding",
  " a",
  " plugin",
  " SDK",
  " that",
  " doesn",
  "\u2019t",
  " require",
  " a",
  " PhD",
  " in",
  " ABI",
  " compatibility",
  ".",
  " It",
  "\u2019s",
  " beautiful",
  " code",
  " until",
  " you",
  " try",
  " to",
  " ship",
  " it",
  " anywhere",
  " but",
  " macOS",
  ".",
  "<|im_end|>",
  "\n"
 ],
 "readouts": [
  {
   "position": 249,
   "token": "\n",
   "model_top": [
    "<|endoftext|>",
    "<|im_start|>",
    "<|im_end|>",
    "</think>",
    "\n\n",
    "\"",
    "}",
    "\u201d"
   ],
   "layers": {
    "0": [
     ".",
     " \u2013",
     "   \n",
     "\u00a0\u00a0",
     "\u2026..",
     "  ",
     " \u2013,",
     " \u200b\u200b"
    ],
    "1": [
     " Strec",
     " \u2013**",
     " Geile",
     "   \n",
     "**\u2013",
     " Shemale",
     " Blowjob",
     "  \r\n"
    ],
    "2": [
     "**\u2013",
     "\uff1f",
     "\u3002",
     "\uff1f**",
     " \u2013**",
     "\u2026..",
     " **\u2013",
     " *\u2013"
    ],
    "3": [
     " milfs",
     " Blowjob",
     " Shemale",
     " cumshot",
     "\uff3f\uff3f",
     " **\u201e",
     " pornstar",
     " *__"
    ],
    "4": [
     " @_",
     " **\u201c",
     " **\u201e",
     "\uff1f**",
     " *@",
     "____",
     " ______",
     "(___"
    ],
    "5": [
     "\uff1f**",
     "\uff1f",
     " **\u201c",
     " **\u3010",
     " **\u201e",
     " **:",
     "\u5728",
     "\uff01"
    ],
    "6": [
     "\uff1f**",
     " ____",
     "   \n\n",
     "____",
     "    \n\n",
     " **\u3010",
     "\uff1f",
     "       \n\n"
    ],
    "7": [
     "   \n\n",
     "    \n\n",
     "____",
     "       \n\n",
     " ____",
     " **\u3010",
     "     \n\n",
     "\uff1f**"
    ],
    "8": [
     "   \n\n",
     "    \n\n",
     "  \n\n",
     " ____",
     "     \n\n",
     "       \n\n",
     "____",
     "        \n\n"
    ],
    "9": [
     "   \n\n",
     "____",
     "  \n\n",
     " ____",
     " _$",
     "    \n\n",
     "  \n\n\n",
     "       \n\n"
    ],
    "10": [
     "\n\n",
     "____",
     "  \n\n",
     " ____",
     "   \n\n",
     "\r\n\r\n",
     " \n\n",
     "    \n\n"
    ],
    "11": [
     " ____",
     "____",
     " ___",
     " _$",
     " ______",
     "\n\n",
     "___",
     " *__"
    ],
    "12": [
     "\n\n",
     "____",
     " ____",
     "___",
     " ___",
     "   \n\n",
     "\r\n\r\n",
     "    \n\n"
    ],
    "13": [
     "\n\n",
     "____",
     "___",
     "\r\n\r\n",
     "   \n\n",
     " ____",
     "\t\n\n",
     " _$"
    ],
    "14": [
     "\n\n",
     "\r\n\r\n",
     "  \n\n",
     "\t\n\n",
     "\n\n\n",
     "   \n\n",
     " \n\n",
     " `_"
    ],
    "15": [
     "\n\n",
     " `_",
     "_%",
     "\t\n\n",
     "\n\n\n",
     "\r\n\r\n",
     " folks",
     " _$"
    ],
    "16": [
     "\n\n",
     "<|endoftext|>",
     "<|im_end|>",
     "\n\n\n",
     "...",
     "\n\n\n\n",
     "  \n\n",
     "\r\n\r\n"
    ],
    "17": [
     "\n\n",
     "<|endoftext|>",
     "<|im_end|>",
     "  \n\n",
     "\r\n\r\n",
     "\n\n\n",
     " \n\n",
     "   \n\n"
    ],
    "18": [
     "\n\n",
     "<|endoftext|>",
     "\r\n\r\n",
     "<|im_end|>",
     "\n\n\n",
     "\n\n\n\n",
     "  \n\n",
     " \n\n"
    ],
    "19": [
     "\n\n",
     "<|endoftext|>",
     "\r\n\r\n",
     "  \n\n",
     "<|im_end|>",
     " \n\n",
     "\n\n\n",
     "\t\n\n"
    ],
    "20": [
     "<|endoftext|>",
     "\n\n",
     "  \n\n",
     " \n\n",
     "\r\n\r\n",
     "\n\n\n",
     "<|im_end|>",
     "\t\n\n"
    ],
    "21": [
     "\n\n",
     "\r\n\r\n",
     "<|endoftext|>",
     "\t\n\n",
     "\n\n\n\n",
     "\n\n\n",
     " \n\n",
     "  \n\n"
    ],
    "22": [
     "\n\n",
     "<|endoftext|>",
     "\r\n\r\n",
     "\n\n\n",
     " \n\n",
     "\n\n\n\n",
     "<|im_end|>",
     "  \n\n"
    ],
    "23": [
     "\n\n",
     "<|endoftext|>",
     "\r\n\r\n",
     "\n\n\n",
     " \n\n",
     "  \n\n",
     "<|im_end|>",
     "\n\n\n\n"
    ],
    "24": [
     "\n\n",
     "<|endoftext|>",
     "\r\n\r\n",
     "  \n\n",
     " \n\n",
     "<|im_end|>",
     "\t\n\n",
     "\n\n\n"
    ],
    "25": [
     "\n\n",
     "\r\n\r\n",
     " \n\n",
     "  \n\n",
     "<|im_end|>",
     "<|endoftext|>",
     "\t\n\n",
     "\n\n\n\n"
    ],
    "26": [
     "\n\n",
     "<|endoftext|>",
     "\r\n\r\n",
     " \n\n",
     "  \n\n",
     "<|im_end|>",
     "\t\n\n",
     "\n\n\n\n"
    ],
    "27": [
     "\n\n",
     "<|endoftext|>",
     " \n\n",
     "  \n\n",
     "\r\n\r\n",
     "<|im_end|>",
     "\n\n\n",
     "\t\n\n"
    ],
    "28": [
     "\n\n",
     "<|endoftext|>",
     " \n\n",
     "  \n\n",
     "\r\n\r\n",
     "<|im_end|>",
     "\n\n\n",
     "\n\n\n\n"
    ],
    "29": [
     "\n\n",
     "<|endoftext|>",
     " \n\n",
     "  \n\n",
     "<|im_end|>",
     "\r\n\r\n",
     "   \n\n",
     "\n\n\n"
    ],
    "30": [
     "\n\n",
     "<|endoftext|>",
     " \n\n",
     "  \n\n",
     "<|im_end|>",
     "\r\n\r\n",
     "   \n\n",
     "\u2026"
    ],
    "31": [
     "<|endoftext|>",
     "\n\n",
     "<|im_end|>",
     "  \n\n",
     " \n\n",
     "\u2026",
     "\r\n\r\n",
     "..."
    ],
    "32": [
     "<|endoftext|>",
     "\n\n",
     "<|im_end|>",
     "  \n\n",
     " \n\n",
     "\u2026",
     "\n\n\n\n",
     "\n\n\n"
    ],
    "33": [
     "<|endoftext|>",
     "\n\n",
     "<|im_end|>",
     " \n\n",
     "  \n\n",
     "\n\n\n\n",
     "\n\n\n",
     "\r\n\r\n"
    ],
    "34": [
     "<|endoftext|>",
     "\n\n",
     "<|im_end|>",
     " \n\n",
     "  \n\n",
     "...",
     "\n\n\n\n",
     "\n\n\n"
    ],
    "35": [
     "<|endoftext|>",
     "\n\n",
     "<|im_end|>",
     "  \n\n",
     " \n\n",
     "\u2026\u2026",
     "\u2026",
     "\n\n\n\n"
    ],
    "36": [
     "<|endoftext|>",
     "\n\n",
     "<|im_end|>",
     " \n\n",
     "  \n\n",
     "\n\n\n\n",
     "\u2026\u2026",
     "\n\n\n"
    ],
    "37": [
     "<|endoftext|>",
     "\n\n",
     "<|im_end|>",
     " \n\n",
     "  \n\n",
     "\u2026\u2026",
     "<|im_start|>",
     "\u2026"
    ],
    "38": [
     "<|endoftext|>",
     "<|im_end|>",
     "\n\n",
     " \n\n",
     "\u2026\u2026",
     "  \n\n",
     "<|im_start|>",
     "\u2026"
    ],
    "39": [
     "<|endoftext|>",
     "<|im_end|>",
     "\n\n",
     "  \n\n",
     "\uff1f",
     "\u2026\u2026",
     "<|im_start|>",
     " \n\n"
    ],
    "40": [
     "<|endoftext|>",
     "<|im_end|>",
     "\n\n",
     "\u2026\u2026",
     "  \n\n",
     " \n\n",
     "\uff1f",
     "\u2026\""
    ],
    "41": [
     "<|endoftext|>",
     "\n\n",
     "<|im_end|>",
     " \n\n",
     "  \n\n",
     "\n\n\n\n",
     " cynical",
     "\n\n\n"
    ],
    "42": [
     "<|endoftext|>",
     "<|im_end|>",
     "\n\n",
     " cynical",
     " \n\n",
     "...\"",
     "\u771f\u5b9e",
     "  \n\n"
    ],
    "43": [
     "<|im_end|>",
     "<|endoftext|>",
     "\n\n",
     "...</",
     "...\"",
     " \n\n",
     "  \n\n",
     "...**"
    ],
    "44": [
     "<|im_end|>",
     "<|endoftext|>",
     "\n\n",
     "...",
     "...\"",
     "...</",
     "...**",
     " \n\n"
    ],
    "45": [
     "<|endoftext|>",
     "<|im_end|>",
     "\n\n",
     " \n\n",
     "  \n\n",
     " realistically",
     " realistic",
     "</think>"
    ],
    "46": [
     "<|endoftext|>",
     "<|im_end|>",
     "\n\n",
     " \n\n",
     "  \n\n",
     "</think>",
     "\u771f\u5b9e",
     " realistically"
    ],
    "47": [
     "<|im_end|>",
     "<|endoftext|>",
     "\n\n",
     "</think>",
     " \n\n",
     "  \n\n",
     "<|file_sep|>",
     "<|im_start|>"
    ],
    "48": [
     "<|endoftext|>",
     "<|im_end|>",
     "</think>",
     "<|im_start|>",
     "<|file_sep|>",
     "\n\n",
     " cynical",
     "\"/>"
    ],
    "49": [
     "<|endoftext|>",
     "<|im_end|>",
     "<|im_start|>",
     "<|file_sep|>",
     "</think>",
     "\u5e7d\u9ed8",
     "\u66f4\u591a\u56de\u7b54",
     "<|fim_middle|>"
    ],
    "50": [
     "<|endoftext|>",
     "<|im_end|>",
     "<|im_start|>",
     "<|file_sep|>",
     "</think>",
     "<|fim_middle|>",
     "\u66f4\u591a\u56de\u7b54",
     "\u3002"
    ],
    "51": [
     "<|endoftext|>",
     "<|im_end|>",
     "<|im_start|>",
     "</think>",
     "<|file_sep|>",
     "<|fim_middle|>",
     "</tool_response>",
     "\u3002"
    ],
    "52": [
     "<|endoftext|>",
     "<|im_end|>",
     "<|im_start|>",
     "</think>",
     "**\u201d",
     " *[",
     "**",
     "</tool_response>"
    ],
    "53": [
     "<|endoftext|>",
     "<|im_end|>",
     "<|im_start|>",
     "</think>",
     "**",
     "*\"",
     "**\u201d",
     " @}"
    ],
    "54": [
     "<|endoftext|>",
     "<|im_end|>",
     "</think>",
     "<|im_start|>",
     "<|file_sep|>",
     " @}",
     " *[",
     "\ud83d\ude09"
    ],
    "55": [
     "<|endoftext|>",
     "<|im_end|>",
     "<|im_start|>",
     "</think>",
     "!**",
     ">**",
     "]**",
     " @}"
    ],
    "56": [
     "</think>",
     "<|im_end|>",
     "<|endoftext|>",
     "<|im_start|>",
     " *[",
     "*</",
     "!*",
     " *("
    ],
    "57": [
     "</think>",
     "<|im_start|>",
     "<|endoftext|>",
     "<|im_end|>",
     "*</",
     "!*",
     "*(",
     " *("
    ],
    "58": [
     "</think>",
     "<|endoftext|>",
     "<|im_end|>",
     "<|im_start|>",
     "*</",
     " *[",
     "!*",
     " *("
    ],
    "59": [
     "</think>",
     " *(",
     "<|im_end|>",
     "<|im_start|>",
     "<|endoftext|>",
     " *[",
     "*(",
     " **("
    ],
    "60": [
     "<|endoftext|>",
     "</think>",
     "<|im_end|>",
     "<|im_start|>",
     "*",
     " \n\n",
     "**",
     " *("
    ],
    "61": [
     "<|endoftext|>",
     "</think>",
     "<|im_start|>",
     "<|im_end|>",
     "</",
     " </",
     "*",
     "***"
    ],
    "62": [
     "<|endoftext|>",
     "<|im_start|>",
     "</think>",
     "</tool_response>",
     "<|im_end|>",
     "\n\n",
     "\n\n\n\n",
     "\n\n\n"
    ]
   }
  }
 ],
 "trajectories": [
  {
   "word": "Swift",
   "position": 249,
   "layers": [
    0,
    1,
    2,
    3,
    4,
    5,
    6,
    7,
    8,
    9,
    10,
    11,
    12,
    13,
    14,
    15,
    16,
    17,
    18,
    19,
    20,
    21,
    22,
    23,
    24,
    25,
    26,
    27,
    28,
    29,
    30,
    31,
    32,
    33,
    34,
    35,
    36,
    37,
    38,
    39,
    40,
    41,
    42,
    43,
    44,
    45,
    46,
    47,
    48,
    49,
    50,
    51,
    52,
    53,
    54,
    55,
    56,
    57,
    58,
    59,
    60,
    61,
    62
   ],
   "ranks": [
    186883,
    58773,
    15246,
    78293,
    13586,
    7723,
    10457,
    28289,
    31971,
    7728,
    4628,
    14533,
    7067,
    2241,
    2862,
    3509,
    3729,
    5875,
    3254,
    2266,
    2035,
    4722,
    2339,
    1932,
    1532,
    4971,
    9302,
    4521,
    3661,
    3906,
    1385,
    1528,
    2259,
    1501,
    4238,
    4786,
    5294,
    6182,
    10579,
    11408,
    12331,
    14754,
    13107,
    11838,
    12772,
    17405,
    10994,
    7135,
    3864,
    16593,
    20671,
    12698,
    7915,
    12805,
    39082,
    9317,
    7284,
    4945,
    4745,
    32016,
    15221,
    8141,
    26294
   ]
  }
 ],
 "emergence": {
  "position": 249,
  "top1": "<|endoftext|>",
  "layers": [
   0,
   1,
   2,
   3,
   4,
   5,
   6,
   7,
   8,
   9,
   10,
   11,
   12,
   13,
   14,
   15,
   16,
   17,
   18,
   19,
   20,
   21,
   22,
   23,
   24,
   25,
   26,
   27,
   28,
   29,
   30,
   31,
   32,
   33,
   34,
   35,
   36,
   37,
   38,
   39,
   40,
   41,
   42,
   43,
   44,
   45,
   46,
   47,
   48,
   49,
   50,
   51,
   52,
   53,
   54,
   55,
   56,
   57,
   58,
   59,
   60,
   61,
   62
  ],
  "ranks": [
   226160,
   248320,
   248320,
   248320,
   248317,
   248312,
   248023,
   248225,
   242797,
   247869,
   7046,
   243518,
   20977,
   15873,
   9,
   1981,
   2,
   2,
   2,
   2,
   1,
   3,
   2,
   2,
   2,
   6,
   2,
   2,
   2,
   2,
   2,
   1,
   1,
   1,
   1,
   1,
   1,
   1,
   1,
   1,
   1,
   1,
   1,
   2,
   2,
   1,
   1,
   2,
   1,
   1,
   1,
   1,
   1,
   1,
   1,
   1,
   3,
   3,
   2,
   5,
   1,
   1,
   1
  ]
 },
 "scan": [],
 "slice": null,
 "film": "film.json"
}