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Speed up path finding by about 35%.

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This commit is contained in:
JoelKatz
2013-03-04 18:57:44 -08:00
parent b8fdb3b659
commit ce401dffb6
7 changed files with 22 additions and 13 deletions
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13
src/cpp/ripple/Pathfinder.cpp
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@@ -205,6 +205,7 @@ bool Pathfinder::findPaths(const unsigned int iMaxSteps, const unsigned int iMax
}
LedgerEntrySet lesActive(mLedger);
boost::unordered_map<uint160, AccountItems::pointer> aiMap;
SLE::pointer sleSrc = lesActive.entryCache(ltACCOUNT_ROOT, Ledger::getAccountRootIndex(mSrcAccountID));
if (!sleSrc)
@@ -285,7 +286,7 @@ bool Pathfinder::findPaths(const unsigned int iMaxSteps, const unsigned int iMax
continue;
}
if (tLog(lsTRACE)
if (sLog(lsTRACE))
{
cLog(lsTRACE) << "findPaths: finish? account: " << (speEnd.mAccountID == mDstAccountID);
cLog(lsTRACE) << "findPaths: finish? currency: " << (speEnd.mCurrencyID == mDstAmount.getCurrency());
@@ -387,7 +388,13 @@ bool Pathfinder::findPaths(const unsigned int iMaxSteps, const unsigned int iMax
// Last element is for non-XRP, continue by adding ripple lines and order books.
// Create new paths for each outbound account not already in the path.
AccountItems rippleLines(speEnd.mAccountID, mLedger, AccountItem::pointer(new RippleState()));
boost::unordered_map<uint160, AccountItems::pointer>::iterator it = aiMap.find(speEnd.mAccountID);
if (it == aiMap.end())
it = aiMap.insert(std::make_pair(speEnd.mAccountID,
boost::make_shared<AccountItems>(
boost::cref(speEnd.mAccountID), boost::cref(mLedger), AccountItem::pointer(new RippleState())))).first;
AccountItems& rippleLines = *it->second;
SLE::pointer sleEnd = lesActive.entryCache(ltACCOUNT_ROOT, Ledger::getAccountRootIndex(speEnd.mAccountID));
tLog(!sleEnd, lsDEBUG)
@@ -403,7 +410,7 @@ bool Pathfinder::findPaths(const unsigned int iMaxSteps, const unsigned int iMax
BOOST_FOREACH(AccountItem::ref item, rippleLines.getItems())
{
RippleState* rspEntry = (RippleState*) item.get();
const uint160 uPeerID = rspEntry->getAccountIDPeer().getAccountID();
const uint160 uPeerID = rspEntry->getAccountIDPeer();
if (spPath.hasSeen(uPeerID, speEnd.mCurrencyID, uPeerID))
{