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Performance improvement in checking for duplicate nodes in recalclist

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This commit is contained in:
Barry Silverman 2010-10-13 22:00:01 -04:00
parent 282c815791
commit b5e1064efb
1 changed files with 24 additions and 15 deletions
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39
chipsim.js
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@ -29,6 +29,7 @@ var ridx = 0;
function recalcNodeList(list){
var n = list[0];
var recalclist = new Array();
var recalcHash = {};
for(var j=0;j<100;j++){ // loop limiter
if(list.length==0) return;
if(ctrace) {
@ -42,14 +43,15 @@ function recalcNodeList(list){
console.log('recalcNodeList iteration: ', j, list.length, 'nodes', list);
}
}
for(var i in list) recalcNode(list[i], recalclist);
for(var i in list) recalcNode(list[i], recalclist, recalcHash);
list = recalclist;
recalclist = new Array();
recalcHash = {};
}
if(ctrace) console.log(n,'looping...');
}
function recalcNode(node, recalclist){
function recalcNode(node, recalclist, recalcHash){
if(node==ngnd) return;
if(node==npwr) return;
var group = getNodeGroup(node);
@ -68,34 +70,34 @@ function recalcNode(node, recalclist){
n.float = newFloat;
if(n.state==oldState)
continue;
for(var t in n.gates) recalcTransistor(n.gates[t], recalclist);
for(var t in n.gates) recalcTransistor(n.gates[t], recalclist, recalcHash);
}
}
function recalcTransistor(tn, recalclist){
function recalcTransistor(tn, recalclist, recalcHash){
var t = transistors[tn];
if(isNodeHigh(t.gate)) turnTransistorOn(t, recalclist);
else turnTransistorOff(t, recalclist);
if(isNodeHigh(t.gate)) turnTransistorOn(t, recalclist, recalcHash);
else turnTransistorOff(t, recalclist, recalcHash);
}
function turnTransistorOn(t, recalclist){
function turnTransistorOn(t, recalclist, recalcHash){
if(t.on) return;
if(ctrace && (traceTheseTransistors.indexOf(t.name)!=-1))
console.log(t.name, 'on', t.gate, t.c1, t.c2);
t.on = true;
addRecalcNode(t.c1, recalclist);
addRecalcNode(t.c2, recalclist);
addRecalcNode(t.c1, recalclist, recalcHash);
addRecalcNode(t.c2, recalclist, recalcHash);
}
function turnTransistorOff(t, recalclist){
function turnTransistorOff(t, recalclist, recalcHash){
if(!t.on) return;
if(ctrace && (traceTheseTransistors.indexOf(t.name)!=-1))
console.log(t.name, 'off', t.gate, t.c1, t.c2);
t.on = false;
floatnode(t.c1);
floatnode(t.c2);
addRecalcNode(t.c1, recalclist);
addRecalcNode(t.c2, recalclist);
addRecalcNode(t.c1, recalclist, recalcHash);
addRecalcNode(t.c2, recalclist, recalcHash);
}
function floatnode(nn){
@ -107,11 +109,13 @@ function floatnode(nn){
console.log('floating', nn, 'at', n.state);
}
function addRecalcNode(nn, recalclist){
function addRecalcNode(nn, recalclist, recalcHash){
if(nn==ngnd) return;
if(nn==npwr) return;
if(arrayContains(recalclist, nn)) return;
if(recalcHash[nn] == 1)return;
// if(arrayContains(recalclist, nn)) return;
recalclist.push(nn);
recalcHash[nn] = 1;
// setAdd(recalclist, nn);
}
@ -122,10 +126,15 @@ function getNodeGroup(i){
}
function addNodeToGroup(i, group){
if(arrayContains(group, i)) return;
// if(arrayContains(group, i)) return;
if(group.indexOf(i) != -1) return;
group.push(i);
if(i==ngnd) return;
if(i==npwr) return;
addNodeToGroup1(i, group);
}
function addNodeToGroup1(i,group){
for(var t in nodes[i].c1c2s) addNodeTransistor(i, nodes[i].c1c2s[t], group);
}