arnaucube
/
circomlib
mirror of https://github.com/arnaucube/circomlib.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

remove pows and shifts for optimization

master
Jordi Baylina 4 years ago
parent
4f11565ca4
commit
2f28fc7002
No known key found for this signature in database GPG Key ID: 7480C80C1BE43112
3 changed files with 273 additions and 6 deletions
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. +9
    -2
      circuits/binsum.circom
  2. +6
    -2
      circuits/bitify.circom
  3. +258
    -2
      test/circuits/in.json

+ 9
- 2
circuits/binsum.circom
View File

@ -72,19 +72,26 @@ template BinSum(n, ops) {
var k; var k;
var j; var j;
var e2;
e2 = 1;
for (k=0; k<n; k++) { for (k=0; k<n; k++) {
for (j=0; j<ops; j++) { for (j=0; j<ops; j++) {
lin += in[j][k] * 2**k;
lin += in[j][k] * e2;
} }
e2 = e2 + e2;
} }
e2 = 1;
for (k=0; k<nout; k++) { for (k=0; k<nout; k++) {
out[k] <-- (lin >> k) & 1; out[k] <-- (lin >> k) & 1;
// Ensure out is binary // Ensure out is binary
out[k] * (out[k] - 1) === 0; out[k] * (out[k] - 1) === 0;
lout += out[k] * 2**k;
lout += out[k] * e2;
e2 = e2+e2;
} }
// Ensure the sum; // Ensure the sum;

+ 6
- 2
circuits/bitify.circom
View File

@ -26,10 +26,12 @@ template Num2Bits(n) {
signal output out[n]; signal output out[n];
var lc1=0; var lc1=0;
var e2=1;
for (var i = 0; i<n; i++) { for (var i = 0; i<n; i++) {
out[i] <-- (in >> i) & 1; out[i] <-- (in >> i) & 1;
out[i] * (out[i] -1 ) === 0; out[i] * (out[i] -1 ) === 0;
lc1 += out[i] * 2**i;
lc1 += out[i] * e2;
e2 = e2+e2;
} }
lc1 === in; lc1 === in;
@ -54,8 +56,10 @@ template Bits2Num(n) {
signal output out; signal output out;
var lc1=0; var lc1=0;
var e2 = 1;
for (var i = 0; i<n; i++) { for (var i = 0; i<n; i++) {
lc1 += in[i] * 2**i;
lc1 += in[i] * e2;
e2 = e2 + e2;
} }
lc1 ==> out; lc1 ==> out;

+ 258
- 2
test/circuits/in.json
View File

@ -1,2 +1,258 @@
{"enabled":1,"Ax":"13277427435165878497778222415993513565335242147425444199013288855685581939618","Ay":"13622229784656158136036771217484571176836296686641868549125388198837476602820","R8x":"11220723668893468001994760120794694848178115379170651044669708829805665054484","R8y":"2367470421002446880004241260470975644531657398480773647535134774673409612366","S":"1307100909096544936550139783786226891472336052773077686618468233418583414320","M":"1234"}
{
"in": [
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1"
]
}

Write Preview
Loading…
Cancel
Save