0hmX/am3352

scripts/plan-ddr-dm0-around-f8.ts

/** Existing winding DM0 co-design around one proposed RAM0 F8 relocation. */
import{readFileSync,writeFileSync,mkdirSync}from'node:fs'
import{resolve}from'node:path'
import{createHash}from'node:crypto'
import{supportCopperObstacles}from'./ddr-support-routing-context'
import{planDdrGroundAntipads}from'./ddr-ground-plane-antipads'
import{refreshDdrPlaneContacts}from'./ddr-plane-contact-audit'
import{explicitFacingViaContinuation}from'./ddr-facing-via-continuation'
import{verifyDdrSystemCopper,auditDdrTraceJunctions}from'./check-ddr-system-copper'
import{auditRouteAngles}from'./check-route-angles'
import{auditCompositeHostTopology}from'./ddr-composite-routing-context'
import{auditDdrLocalEscapeContacts}from'./audit-ddr-local-escape-contacts'
import{sharedViaApproaches}from'./plan-ddr-ram-power-via-reuse'
const[dirArg,outArg]=process.argv.slice(2),dir=resolve(dirArg!),out=resolve(outArg!),hash=(v:any)=>createHash('sha256').update(JSON.stringify(v)).digest('hex'),bound:Record<string,string>={},read=(p:string)=>{p=resolve(p);bound[p]=createHash('sha256').update(readFileSync(p)).digest('hex');return JSON.parse(readFileSync(p,'utf8'))},parent=read(`${dir}/candidate.circuit.json`),host=read(`${dir}/host-bundle.json`),input=read(`${dir}/routing-input.json`),prior=read(`${dir}/report.json`),power=read(`${dir}/ram-power-launch-audit.json`),budget=read(`${dir}/current-byte-budgets.json`),old=parent.find((e:any)=>e.type==='pcb_trace'&&e.pcb_trace_id==='saved_fanout_pcb_group_3_36'),exit=parent.find((e:any)=>e.type==='pcb_breakout_point'&&e.source_trace_id===old.source_trace_id),connection=input.connections.find((c:any)=>c.pointsToConnect.some((p:any)=>p.pointId===exit.pcb_breakout_point_id)),vi=old.route.findIndex((p:any)=>p.route_type==='via'),via=old.route[vi],source={...old.route[0]},suffix=old.route.slice(-4),target=suffix[0]
if(prior.candidateCircuitSha256!==hash(parent)||host.traces.length!==20||power.launchQualified!==57||connection.ramTerminal!=='DM'||via.to_layer!=='inner4')throw Error('Expected current20/power57 DM0')
const f8=parent.find((e:any)=>e.type==='pcb_trace'&&e.pcb_trace_id==='saved_fanout_pcb_group_3_53'),f8v=parent.find((e:any)=>e.type==='pcb_via'&&e.pcb_trace_id===f8.pcb_trace_id),f8via={x:f8.route[0].x+.4,y:f8.route[0].y+.4},newF8={...f8,route:[...sharedViaApproaches(f8.route[0],f8via)[0]!,{...f8.route.find((p:any)=>p.route_type==='via'),...f8via}]},newF8v={...f8v,...f8via},e9=parent.find((e:any)=>e.type==='pcb_trace'&&e.pcb_trace_id==='saved_fanout_pcb_group_3_65'),g8=power.rows.find((r:any)=>r.byte===0&&r.ball==='G8').connectionVia,newE9={...e9,route:sharedViaApproaches(e9.route[0],g8)[0]!,connectsTo:[e9.source_trace_id,e9.route[0].start_pcb_port_id,'pcb_via_183']};delete newE9.connection_name
const changes=[{before:f8,after:newF8},{before:f8v,after:newF8v},{before:e9,after:newE9}],planePlan=planDdrGroundAntipads(parent.filter((e:any)=>e.type==='pcb_copper_pour'&&e.layer==='inner3'),[{...f8via,net:'foreign-ground'}],{clearanceMm:.107,minimumCopperWebMm:.127});changes.push({before:parent.find((e:any)=>e.type==='pcb_copper_pour'&&e.layer==='inner3'),after:planePlan.planes[0]});const base=parent.map((e:any)=>changes.find(c=>c.before===e)?.after??e)
const obstacles=base.filter((e:any)=>['pcb_trace','pcb_via','pcb_smtpad'].includes(e.type)).flatMap((e:any)=>{const isTrace=e===old,projected=isTrace?{...e,route:e.route.slice(0,vi+1)}:e,own=isTrace||(e.type==='pcb_via'&&e.pcb_trace_id===old.pcb_trace_id)||(e.type==='pcb_smtpad'&&e.pcb_port_id===source.start_pcb_port_id);return supportCopperObstacles([projected]).map((o:any)=>({...o,...((e.type==='pcb_smtpad'&&e.shape==='circle')||e.type==='pcb_via'||o.obstacleId.startsWith('fixed_via_')||o.obstacleId.endsWith('_cap')?{shape:'circle'}:{}),connectedTo:[own?connection.name:`reserved:${e[`${e.type}_id`]}`]}))}),sourceObstacle=obstacles.find((o:any)=>o.connectedTo[0]===connection.name&&o.layers.includes('top')&&Math.abs(o.center.x-source.x)<=o.width/2+1e-7&&Math.abs(o.center.y-source.y)<=o.height/2+1e-7),local={...connection,pointsToConnect:[source,target]},pc={connection:local,connectionIndex:0,sourcePoint:source,sourcePointIndex:0,sourceLayer:'top',sourceObstacle,targetPoint:target},bounds={minX:-17.06005,maxX:-6.040077,minY:-12.660015,maxY:-.339985},bus={busId:'DM0-around-F8',direction:'right',exitEdge:'right',termination:{type:'boundary'},connections:[pc],componentId:'RAM0-DM',componentObstacles:[sourceObstacle],componentBounds:bounds,sharedBoundary:bounds,xCoordinates:[via.x],yCoordinates:[via.y],pitchX:.8,pitchY:.8}
const{routeViaMinimalWindingAlternativesSteps}=await import(resolve('node_modules/@tscircuit/fanout-solver/lib/route-via-minimal-winding.ts')),params={srj:{...input,obstacles,traces:[]},bus,targetLayer:'inner4',terminals:[{connection:pc,viaPoint:via,exitPoint:target}],acceptedPlans:[],layerNames:['top',...Array.from({length:8},(_,i)=>`inner${i+1}`),'bottom'],traceWidth:.12,viaDiameter:.4572,viaHoleDiameter:.254,clearance:.1016,allowBlindAndBuriedVias:false,allowSourceLayerRouting:true,gridStep:.1,maximumRouteOrderAttempts:1,maximumSearchStates:300000,heuristicWeight:1,sourceEscapePaths:new Map([[0,old.route.slice(0,vi).map((p:any)=>({x:p.x,y:p.y}))]])},steps=routeViaMinimalWindingAlternativesSteps(params as any,1),progress:any[]=[],started=Date.now();let results:any[]=[],finished=false
while(Date.now()-started<55000){const s=steps.next();if(s.done){results=s.value;finished=true;break}progress.push({...s.value,visualization:undefined})}if(!finished)steps.return([])
const planar=(r:any[])=>r.slice(1).reduce((n:number,p:any,i:number)=>{const q=r[i];return n+(p.route_type==='wire'&&q.route_type==='wire'&&p.layer===q.layer?Math.hypot(p.x-q.x,p.y-q.y):0)},0);let diagnostic:any,child:any
if(results[0]?.length===1){const after=explicitFacingViaContinuation(old,results[0][0].trace,'inner4').after;after.route.push(...suffix.slice(1));child=base.map((e:any)=>e===old?after:e);changes.push({before:old,after});const fresh=[...host.traces,after,newF8,newE9],ids=new Set(fresh.map((e:any)=>e.pcb_trace_id)),fixed=child.filter((e:any)=>e.type!=='pcb_trace'||!ids.has(e.pcb_trace_id));fixed.push(after,newF8);const physical=verifyDdrSystemCopper(fixed,fresh,input.connections,{},50,{reportSameNetContacts:true}),topology=auditCompositeHostTopology(child,host.traces,input.connections),angles=auditRouteAngles(child.filter((e:any)=>e.type==='pcb_trace')),junctions=auditDdrTraceJunctions(child,input.connections),withoutOwnHost=child.filter((e:any)=>!host.traces.some((t:any)=>t.connection_name===connection.name&&t.pcb_trace_id===e.pcb_trace_id)),localContacts=auditDdrLocalEscapeContacts(withoutOwnHost,after,input.connections),delta=planar(after.route)-planar(old.route);diagnostic={physical,topology,angles,junctions,localContacts,oldLocalMm:planar(old.route),newLocalMm:planar(after.route),deltaMm:delta,oldMatchedTotalMm:28.423158,newTotalWithUnchangedHostMm:28.423158+delta,requiredHostCompensationMm:-delta,nominalMm:28.899838,frozenSuffixExact:hash(after.route.slice(-4))===hash(suffix),allHostsExact:host.traces.every((t:any)=>child.some((e:any)=>hash(e)===hash(t))),geometryClear:!physical.errors.length&&!physical.violations.length&&topology.valid&&angles.valid&&junctions.valid&&localContacts.valid}}
const report={captureHash:prior.captureHash,parentCircuitSha256:hash(parent),sourceHashes:bound,budget,finished,elapsedSeconds:(Date.now()-started)/1000,progress,raw:results,diagnostic,planePlan,scope:'Single existing winding DM0 local experiment around RAM0 F8 opposite launch. Old pad/via and final four vertices/exit+all20hosts frozen; F8/E9 support changes explicit. No accepted matching claim until required local-length compensation and all60 power/reference qualification are checked.'};mkdirSync(out,{recursive:true});for(const[p,h]of Object.entries(bound))if(createHash('sha256').update(readFileSync(p)).digest('hex')!==h)throw Error('Input changed');writeFileSync(`${out}/report.json`,JSON.stringify(report,null,2));if(child){writeFileSync(`${out}/candidate.circuit.json`,JSON.stringify(child,null,2));writeFileSync(`${out}/original-copper-replacements.json`,JSON.stringify({parentCircuitSha256:hash(parent),candidateCircuitSha256:hash(child),replacements:changes.map(c=>({id:`${c.before.type}:${c.before[`${c.before.type}_id`]}`,before:c.before,after:c.after,beforeSha256:hash(c.before),afterSha256:hash(c.after)}))},null,2))}console.log(JSON.stringify({finished,states:progress.at(-1)?.expandedStateCount,alternativeCount:results[0]?.length??0,diagnostic:diagnostic?{geometryClear:diagnostic.geometryClear,deltaMm:diagnostic.deltaMm,total:diagnostic.newTotalWithUnchangedHostMm,violations:diagnostic.physical.violations.length,angles:diagnostic.angles.valid,junctions:diagnostic.junctions.valid,local:diagnostic.localContacts.valid}:undefined}))