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Merge #10249: Switch CCoinsMap from boost to std unordered_map

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e6756ad Switch CCoinsMap from boost to std unordered_map (Pieter Wuille)
344a2c4 Add support for std::unordered_{map,set} to memusage.h (Pieter Wuille)

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Pieter Wuille 2017-04-24 16:01:44 -07:00
commit c73af5416b
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2 changed files with 19 additions and 5 deletions
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4
src/coins.h
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@ -18,7 +18,7 @@
#include <stdint.h> #include <stdint.h>
#include <boost/foreach.hpp> #include <boost/foreach.hpp>
#include <boost/unordered_map.hpp> #include <unordered_map>
/** /**
* Pruned version of CTransaction: only retains metadata and unspent transaction outputs * Pruned version of CTransaction: only retains metadata and unspent transaction outputs
@ -280,7 +280,7 @@ struct CCoinsCacheEntry
CCoinsCacheEntry() : coins(), flags(0) {} CCoinsCacheEntry() : coins(), flags(0) {}
}; };
typedef boost::unordered_map<uint256, CCoinsCacheEntry, SaltedTxidHasher> CCoinsMap; typedef std::unordered_map<uint256, CCoinsCacheEntry, SaltedTxidHasher> CCoinsMap;
/** Cursor for iterating over CoinsView state */ /** Cursor for iterating over CoinsView state */
class CCoinsViewCursor class CCoinsViewCursor

20
src/memusage.h
View file

@ -12,6 +12,8 @@
#include <map> #include <map>
#include <set> #include <set>
#include <vector> #include <vector>
#include <unordered_map>
#include <unordered_set>
#include <boost/foreach.hpp> #include <boost/foreach.hpp>
#include <boost/unordered_set.hpp> #include <boost/unordered_set.hpp>
@ -149,7 +151,7 @@ static inline size_t DynamicUsage(const std::shared_ptr<X>& p)
// Boost data structures // Boost data structures
template<typename X> template<typename X>
struct boost_unordered_node : private X struct unordered_node : private X
{ {
private: private:
void* ptr; void* ptr;
@ -158,13 +160,25 @@ private:
template<typename X, typename Y> template<typename X, typename Y>
static inline size_t DynamicUsage(const boost::unordered_set<X, Y>& s) static inline size_t DynamicUsage(const boost::unordered_set<X, Y>& s)
{ {
return MallocUsage(sizeof(boost_unordered_node<X>)) * s.size() + MallocUsage(sizeof(void*) * s.bucket_count()); return MallocUsage(sizeof(unordered_node<X>)) * s.size() + MallocUsage(sizeof(void*) * s.bucket_count());
} }
template<typename X, typename Y, typename Z> template<typename X, typename Y, typename Z>
static inline size_t DynamicUsage(const boost::unordered_map<X, Y, Z>& m) static inline size_t DynamicUsage(const boost::unordered_map<X, Y, Z>& m)
{ {
return MallocUsage(sizeof(boost_unordered_node<std::pair<const X, Y> >)) * m.size() + MallocUsage(sizeof(void*) * m.bucket_count()); return MallocUsage(sizeof(unordered_node<std::pair<const X, Y> >)) * m.size() + MallocUsage(sizeof(void*) * m.bucket_count());
}
template<typename X, typename Y>
static inline size_t DynamicUsage(const std::unordered_set<X, Y>& s)
{
return MallocUsage(sizeof(unordered_node<X>)) * s.size() + MallocUsage(sizeof(void*) * s.bucket_count());
}
template<typename X, typename Y, typename Z>
static inline size_t DynamicUsage(const std::unordered_map<X, Y, Z>& m)
{
return MallocUsage(sizeof(unordered_node<std::pair<const X, Y> >)) * m.size() + MallocUsage(sizeof(void*) * m.bucket_count());
} }
} }