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Remember cache input data (#133)

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Make init_cache and set_cache no-ops if fed the same data as before
This commit is contained in:
hyc
2019-10-04 07:31:32 +01:00
committed by tevador
parent f1199a9fc6
commit 01648b3bd6
4 changed files with 20 additions and 5 deletions
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16
src/randomx.cpp
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@@ -93,7 +93,12 @@ extern "C" {
void randomx_init_cache(randomx_cache *cache, const void *key, size_t keySize) {
assert(cache != nullptr);
assert(keySize == 0 || key != nullptr);
cache->initialize(cache, key, keySize);
std::string cacheKey;
cacheKey.assign((const char *)key, keySize);
if (cache->cacheKey != cacheKey || !cache->isInitialized()) {
cache->initialize(cache, key, keySize);
cache->cacheKey = cacheKey;
}
}
void randomx_release_cache(randomx_cache* cache) {
@@ -274,8 +279,10 @@ extern "C" {
UNREACHABLE;
}
if(cache != nullptr)
if(cache != nullptr) {
vm->setCache(cache);
vm->cacheKey = cache->cacheKey;
}
if(dataset != nullptr)
vm->setDataset(dataset);
@@ -293,7 +300,10 @@ extern "C" {
void randomx_vm_set_cache(randomx_vm *machine, randomx_cache* cache) {
assert(machine != nullptr);
assert(cache != nullptr && cache->isInitialized());
machine->setCache(cache);
if (machine->cacheKey != cache->cacheKey) {
machine->setCache(cache);
machine->cacheKey = cache->cacheKey;
}
}
void randomx_vm_set_dataset(randomx_vm *machine, randomx_dataset *dataset) {