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Add specialized hash() for type dict and use a dict instead of a std::map for techmap_cache and techmap_do_cache.

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This commit is contained in:
Alberto Gonzalez
2020-04-14 18:09:05 +00:00
parent 437f3fb342
commit 2fb4931e5b
3 changed files with 25 additions and 10 deletions
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25
kernel/hashlib.h
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@@ -19,6 +19,12 @@
namespace hashlib {
template<typename T> struct hash_ops;
template<typename K, typename T, typename OPS = hash_ops<K>> class dict;
template<typename K, int offset = 0, typename OPS = hash_ops<K>> class idict;
template<typename K, typename OPS = hash_ops<K>> class pool;
template<typename K, typename OPS = hash_ops<K>> class mfp;
const int hashtable_size_trigger = 2;
const int hashtable_size_factor = 3;
@@ -100,6 +106,20 @@ template<typename P, typename Q> struct hash_ops<std::pair<P, Q>> {
}
};
template<typename P, typename Q> struct hash_ops<dict<P, Q>> {
static inline bool cmp(dict<P, Q> a, dict<P, Q> b) {
return a == b;
}
static inline unsigned int hash(dict<P, Q> a) {
unsigned int h = mkhash_init;
for (auto &it : a) {
h = mkhash(h, hash_ops<P>::hash(it.first));
h = mkhash(h, hash_ops<Q>::hash(it.second));
}
return h;
}
};
template<typename... T> struct hash_ops<std::tuple<T...>> {
static inline bool cmp(std::tuple<T...> a, std::tuple<T...> b) {
return a == b;
@@ -191,11 +211,6 @@ inline int hashtable_size(int min_size)
throw std::length_error("hash table exceeded maximum size.");
}
template<typename K, typename T, typename OPS = hash_ops<K>> class dict;
template<typename K, int offset = 0, typename OPS = hash_ops<K>> class idict;
template<typename K, typename OPS = hash_ops<K>> class pool;
template<typename K, typename OPS = hash_ops<K>> class mfp;
template<typename K, typename T, typename OPS>
class dict
{