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Refactored database data model to improve speed and reduce memory

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consumption
This commit is contained in:
Eyck Jentzsch
2018-11-05 18:21:54 +01:00
parent e687eef42c
commit 93fd192782
29 changed files with 360 additions and 471 deletions
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58
com.minres.scviewer.database.vcd/src/com/minres/scviewer/database/vcd/VCDFileParser.java
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@ -13,6 +13,7 @@ package com.minres.scviewer.database.vcd;
import java.io.*;
import java.util.*;
import com.minres.scviewer.database.BitValue;
import com.minres.scviewer.database.BitVector;
class VCDFileParser {
@ -65,7 +66,7 @@ class VCDFileParser {
nextToken(); // size
int width = Integer.parseInt(tokenizer.sval);
if("real".equals(type))
width*=-1;
width=0;
nextToken();
String id = tokenizer.sval;
nextToken();
@ -183,7 +184,7 @@ class VCDFileParser {
}
int netWidth = traceBuilder.getNetWidth(net);
if(netWidth<0) {
if(netWidth==0) {
if("nan".equals(value))
traceBuilder.appendTransition(net, currentTime, Double.NaN);
else
@ -192,39 +193,40 @@ class VCDFileParser {
BitVector decodedValues = new BitVector(netWidth);
if (value.equals("z") && netWidth > 1) {
for (int i = 0; i < netWidth; i++)
decodedValues.setValue(i, BitVector.VALUE_Z);
decodedValues.setValue(i, BitValue.Z);
} else if (value.equals("x") && netWidth > 1) {
for (int i = 0; i < netWidth; i++)
decodedValues.setValue(i, BitVector.VALUE_X);
decodedValues.setValue(i, BitValue.X);
} else {
int stringIndex = 0;
for (int convertedIndex = netWidth - value.length(); convertedIndex < netWidth; convertedIndex++) {
switch (value.charAt(stringIndex++)) {
case 'z':
decodedValues.setValue(convertedIndex, BitVector.VALUE_Z);
break;
case '1':
decodedValues.setValue(convertedIndex, BitVector.VALUE_1);
break;
case '0':
decodedValues.setValue(convertedIndex, BitVector.VALUE_0);
break;
case 'x':
decodedValues.setValue(convertedIndex, BitVector.VALUE_X);
break;
default:
decodedValues.setValue(convertedIndex, BitVector.VALUE_X);
for (int convertedIndex = netWidth -1; convertedIndex >=0; convertedIndex--) {
if(convertedIndex<value.length()) {
switch (value.charAt(stringIndex++)) {
case 'z':
decodedValues.setValue(convertedIndex, BitValue.Z);
break;
case '1':
decodedValues.setValue(convertedIndex, BitValue.ONE);
break;
case '0':
decodedValues.setValue(convertedIndex, BitValue.ZERO);
break;
case 'x':
decodedValues.setValue(convertedIndex, BitValue.X);
break;
default:
decodedValues.setValue(convertedIndex, BitValue.X);
}
} else {
decodedValues.setValue(convertedIndex, BitValue.ZERO);
}
}
}
if(netWidth==1)
traceBuilder.appendTransition(net, currentTime, decodedValues.getValue()[0]);
else
traceBuilder.appendTransition(net, currentTime, decodedValues);
traceBuilder.appendTransition(net, currentTime, decodedValues);
}
}
return true;