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Optimized BlockTemplate::update()

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This commit is contained in:
SChernykh
2023-01-16 07:18:08 +01:00
parent ec8e40907d
commit 5bd518da4b
4 changed files with 118 additions and 46 deletions
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src/side_chain.cpp
+10 -44
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@@ -780,52 +780,18 @@ bool SideChain::get_outputs_blob(PoolBlock* block, uint64_t total_reward, std::v
// Helper jobs call get_eph_public_key with indices in descending order
// Current thread will process indices in ascending order so when they meet, everything will be cached
if (loop) {
uint32_t HELPER_JOBS_COUNT = std::thread::hardware_concurrency();
parallel_run(loop, [data]() {
Data* d = data.get();
hash eph_public_key;
// this thread will also be running, so reduce helper job count by 1
if (HELPER_JOBS_COUNT > 0) {
--HELPER_JOBS_COUNT;
}
// No more than 8 helper jobs because our UV worker thread pool has 8 threads
if (HELPER_JOBS_COUNT > 8) {
HELPER_JOBS_COUNT = 8;
}
struct Work
{
uv_work_t req;
std::shared_ptr<Data> data;
};
for (size_t i = 0; i < HELPER_JOBS_COUNT; ++i) {
Work* w = new Work{ {}, data };
w->req.data = w;
const int err = uv_queue_work(loop, &w->req,
[](uv_work_t* req)
{
Data* d = reinterpret_cast<Work*>(req->data)->data.get();
hash eph_public_key;
int index;
while ((index = d->counter.fetch_sub(1)) >= 0) {
uint8_t view_tag;
if (!d->tmpShares[index].m_wallet->get_eph_public_key(d->txkeySec, static_cast<size_t>(index), eph_public_key, view_tag)) {
LOGWARN(6, "get_eph_public_key failed at index " << index);
}
}
},
[](uv_work_t* req, int /*status*/)
{
delete reinterpret_cast<Work*>(req->data);
});
if (err) {
LOGERR(1, "get_outputs_blob: uv_queue_work failed, error " << uv_err_name(err));
delete w;
int index;
while ((index = d->counter.fetch_sub(1)) >= 0) {
uint8_t view_tag;
if (!d->tmpShares[index].m_wallet->get_eph_public_key(d->txkeySec, static_cast<size_t>(index), eph_public_key, view_tag)) {
LOGWARN(6, "get_eph_public_key failed at index " << index);
}
}
}
});
}
blob.reserve(n * 39 + 64);