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fix(keysetcache): use a portable hash function

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will help to make macos faster on the ci
This commit is contained in:
rudy
2022-05-05 08:41:17 +02:00
committed by rudy-6-4
parent f232935592
commit eb1f5b1842
4 changed files with 13 additions and 8 deletions
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11
compiler/lib/ClientLib/ClientParameters.cpp
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@@ -6,6 +6,7 @@
#include <fstream>
#include "boost/outcome.h"
#include "llvm/ADT/Hashing.h"
#include "concretelang/ClientLib/ClientParameters.h"
@@ -20,20 +21,22 @@ template <typename T, typename... Rest>
static inline void hash_(std::size_t &seed, const T &v, Rest... rest) {
// See https://softwareengineering.stackexchange.com/a/402543
const auto GOLDEN_RATIO = 0x9e3779b97f4a7c15; // pseudo random bits
const std::hash<T> hasher;
seed ^= hasher(v) + GOLDEN_RATIO + (seed << 6) + (seed >> 2);
seed ^= llvm::hash_value(v) + GOLDEN_RATIO + (seed << 6) + (seed >> 2);
hash_(seed, rest...);
}
static long double_to_bits(double &v) { return *reinterpret_cast<long *>(&v); }
void LweSecretKeyParam::hash(size_t &seed) { hash_(seed, dimension); }
void BootstrapKeyParam::hash(size_t &seed) {
hash_(seed, inputSecretKeyID, outputSecretKeyID, level, baseLog,
glweDimension, variance);
glweDimension, double_to_bits(variance));
}
void KeyswitchKeyParam::hash(size_t &seed) {
hash_(seed, inputSecretKeyID, outputSecretKeyID, level, baseLog, variance);
hash_(seed, inputSecretKeyID, outputSecretKeyID, level, baseLog,
double_to_bits(variance));
}
std::size_t ClientParameters::hash() {