1d:{"title":"Try PureScript package set — trim explorer","cells":[{"id":1,"value":"# Try PureScript package set — trim explorer\n\nEach package's box area is its on-disk `externs.cbor` size. We trim in a\nfixed order — **node packages first** (can't run in the browser), then the\n**biggest peelable leaves** (large packages nothing depends on) — and stop\nat a cutoff you control. Everything left of the cutoff is omitted; the\n*protected core* (what `TryPureScript.purs` itself imports) is never trimmed.","pinned":false,"hidden":false,"mode":"md"},{"id":2,"value":"const data = FileAttachment(\"packages.json\").json();","pinned":true,"hidden":false,"mode":"js"},{"id":4,"value":"const packages = data.packages;","pinned":true,"hidden":false,"mode":"ts"},{"id":5,"value":"const maxStep = data.removableCount;","pinned":false,"hidden":false,"mode":"js"},{"id":6,"value":"const safeMods = data.calibration.m3gSafeModuleTarget;\nconst defaultCutoff = (() => {\n const steps = packages\n .filter((p) => p.removalOrder !== null)\n .sort((a, b) => a.removalOrder - b.removalOrder);\n for (const p of steps)\n if (p.keptModulesAfter <= safeMods) return p.removalOrder + 1;\n return data.nodeCount;\n})();","pinned":false,"hidden":false,"mode":"ts"},{"id":7,"value":"const cutoff = view(Inputs.range([0, maxStep], {\n step: 1,\n value: defaultCutoff, // default: calibrated safe target for -M3G\n label: \"trim steps\",\n width: 480,\n}));","pinned":false,"hidden":false,"mode":"ts"},{"id":8,"value":"const statusOf = (p) => {\n if (p.removalOrder !== null && p.removalOrder < cutoff)\n return p.removalReason === \"node\" ? \"omitted-node\" : \"omitted-leaf\";\n return \"kept\";\n};","pinned":false,"hidden":false,"mode":"ts"},{"id":9,"value":"const COLOR = {\n \"kept\": \"var(--theme-foreground-focus, #4269d0)\",\n \"omitted-node\": \"#e0820e\",\n \"omitted-leaf\": \"#c33d3d\",\n};","pinned":true,"hidden":false,"mode":"ts"},{"id":10,"value":"const summary = (() => {\n let keptB = 0, nodeB = 0, leafB = 0, keptN = 0, nodeN = 0, leafN = 0;\n for (const p of packages) {\n const s = statusOf(p);\n if (s === \"kept\") { keptB += p.sizeBytes; keptN++; }\n else if (s === \"omitted-node\") { nodeB += p.sizeBytes; nodeN++; }\n else { leafB += p.sizeBytes; leafN++; }\n }\n const mb = (b) => (b / 1e6).toFixed(1);\n return { keptB, nodeB, leafB, keptN, nodeN, leafN, mb };\n})();","pinned":false,"hidden":false,"mode":"ts"},{"id":11,"value":"display(htl.html`

kept
${summary.keptN} pkgs · ${summary.mb(summary.keptB)} MB

omitted · node
${summary.nodeN} pkgs · ${summary.mb(summary.nodeB)} MB

omitted · big leaf
${summary.leafN} pkgs · ${summary.mb(summary.leafB)} MB

total
${data.totalPackages} pkgs · ${summary.mb(data.totalBytes)} MB

`);","pinned":false,"hidden":false,"mode":"ts"},{"id":12,"value":"## Treemap — every box is a package, area = externs size","pinned":false,"hidden":false,"mode":"md"},{"id":13,"value":"$1f","pinned":false,"hidden":false,"mode":"ts"},{"id":14,"value":"## Kept modules as we trim, vs the measured 3 GB ceiling\n\nStartup peak heap is ~linear in **module count** (measured: ~0.38 MB live\nper module on the representative `rts_thr` binary). The server runs with\n`-M3G`; empirically the heap is exhausted around **~5000 modules** (full set\n= 7425 modules dies at 3758 MiB; 4538 fits but pins in-use at the 3 GB cap;\n3299 fits comfortably). The shaded band is the danger zone — trim until the\ncurve drops below it. The dashed vertical rule is your current cutoff.","pinned":false,"hidden":false,"mode":"md"},{"id":15,"value":"const curve = packages\n .filter((p) => p.removalOrder !== null)\n .map((p) => ({\n order: p.removalOrder,\n keptMods: p.keptModulesAfter,\n reason: p.removalReason,\n name: p.name,\n }))\n .sort((a, b) => a.order - b.order);\nconst ceiling = data.calibration.m3gModuleCeiling;\nconst safe = data.calibration.m3gSafeModuleTarget;","pinned":true,"hidden":false,"mode":"ts"},{"id":16,"value":"$20","pinned":true,"hidden":false,"mode":"ts"},{"id":17,"value":"## Packages omitted at the current cutoff","pinned":false,"hidden":false,"mode":"md"},{"id":18,"value":"display(Inputs.table(\n packages\n .filter((p) => statusOf(p) !== \"kept\")\n .sort((a, b) => b.sizeBytes - a.sizeBytes)\n .map((p) => ({\n package: p.name,\n MB: +(p.sizeBytes / 1e6).toFixed(2),\n modules: p.modules,\n dependents: p.dependents,\n why: statusOf(p) === \"omitted-node\" ? \"node\" : \"big leaf\",\n step: p.removalOrder,\n })),\n { rows: 18, sort: \"MB\", reverse: true }\n));","pinned":false,"hidden":false,"mode":"ts"}],"files":"$W21","stdlib":"2","titling":"auto"}