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Refactor and improve the SHAMap code:

Browse Source 
This commit combines a number of cleanups, targeting both the
code structure and the code logic. Large changes include:

 - Using more strongly-typed classes for SHAMap nodes, instead of relying
   on runtime-time detection of class types. This change saves 16 bytes
   of memory per node.
 - Improving the interface of SHAMap::addGiveItem and SHAMap::addItem to
   avoid the need for passing two bool arguments.
 - Documenting the "copy-on-write" semantics that SHAMap uses to
   efficiently track changes in individual nodes.
 - Removing unused code and simplifying several APIs.
 - Improving function naming.
This commit is contained in:
Nik Bougalis
2020-11-13 23:30:43 -08:00
parent 5def79e93c
commit 1bb294afbc
49 changed files with 1641 additions and 1378 deletions
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6
src/ripple/app/ledger/impl/BuildLedger.cpp
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@@ -67,10 +67,8 @@ buildLedgerImpl(
// Write the final version of all modified SHAMap
// nodes to the node store to preserve the new LCL
int const asf =
built->stateMap().flushDirty(hotACCOUNT_NODE, built->info().seq);
int const tmf =
built->txMap().flushDirty(hotTRANSACTION_NODE, built->info().seq);
int const asf = built->stateMap().flushDirty(hotACCOUNT_NODE);
int const tmf = built->txMap().flushDirty(hotTRANSACTION_NODE);
JLOG(j.debug()) << "Flushed " << asf << " accounts and " << tmf
<< " transaction nodes";
}