diff options
Diffstat (limited to 'contrib/coinsim.ts')
-rw-r--r-- | contrib/coinsim.ts | 41 |
1 files changed, 31 insertions, 10 deletions
diff --git a/contrib/coinsim.ts b/contrib/coinsim.ts index 9b8e12d2e..a4eef3e72 100644 --- a/contrib/coinsim.ts +++ b/contrib/coinsim.ts @@ -19,22 +19,26 @@ function getRandomInt(min, max) { return Math.floor(Math.random() * (max - min + 1)) + min; } -const denoms = [512, 256, 128, 64, 32, 16, 8, 4, 2, 1]; +const denoms = [8096, 4096, 2048, 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 1]; // mapping from denomination index to count const wallet = denoms.map(() => 0); -const trans_max = 1000; -const trans_min = 2; +const trans_max = 5000; +const trans_min = 4; -const withdraw_max = 5000; +const withdraw_max = 10000; const num_transactions = parseInt(process.argv[2]); // Refresh or withdraw operations let ops = 0; +let ops_refresh = 0; +let ops_withdraw = 0; +let ops_spend = 0; +let refresh_output = 0; -function withdraw(amount) { +function withdraw(amount, is_refresh) { while (amount != 0) { for (let i = 0; i < denoms.length; i++) { let d = denoms[i]; @@ -42,6 +46,11 @@ function withdraw(amount) { amount -= d; wallet[i]++; ops++; + if (!is_refresh) { + ops_withdraw++; + } else { + refresh_output++; + } break; } } @@ -62,13 +71,16 @@ function spendSmallestFirst(cost) { wallet[k]--; cost -= d; ops++; + ops_spend++; break; } // partially spend and then refresh ops++; + ops_spend++; let r = d - cost; + ops_refresh++; wallet[k]--; - withdraw(r); + withdraw(r, true); cost = 0; } } @@ -87,13 +99,16 @@ function spendLargestFirst(cost) { wallet[j]--; cost -= d; ops++; + ops_spend++; break; } // partially spend and then refresh ops++; + ops_spend++; let r = d - cost; + ops_refresh++; wallet[j]--; - withdraw(r); + withdraw(r, true); cost = 0; } } @@ -112,9 +127,11 @@ function spendHybrid(cost) { } // partially spend and then refresh ops++; + ops_spend++; let r = d - cost; + ops_refresh++; wallet[k]--; - withdraw(r); + withdraw(r, true); cost = 0; } @@ -132,7 +149,7 @@ for (let i = 0; i < num_transactions; i++) { if (balance < cost) { // we need to withdraw let amount = getRandomInt(cost - balance, withdraw_max); - withdraw(amount); + withdraw(amount, false); } // check that we now have enough balance @@ -149,4 +166,8 @@ for (let i = 0; i < num_transactions; i++) { spendHybrid(cost); } -console.log(ops / num_transactions); +console.log("total ops", ops / num_transactions); +console.log("spend ops", ops_spend / num_transactions); +console.log("pure withdraw ops", ops_withdraw / num_transactions); +console.log("refresh (multi output) ops", ops_refresh / num_transactions); +console.log("refresh output", refresh_output / ops_refresh); |