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Use a threadpool

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Instead of constantly creating and destroying threads
This commit is contained in:
Howard Chu
2017-09-14 04:39:37 +01:00
parent 7abdba0a5c
commit 510d0d4753
15 changed files with 302 additions and 963 deletions
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src/ringct/rctSigs.cpp
+23 -26
View File
@@ -30,8 +30,7 @@
#include "misc_log_ex.h"
#include "common/perf_timer.h"
#include "common/task_region.h"
#include "common/thread_group.h"
#include "common/threadpool.h"
#include "common/util.h"
#include "rctSigs.h"
#include "cryptonote_basic/cryptonote_format_utils.h"
@@ -731,17 +730,16 @@ namespace rct {
try
{
if (semantics) {
tools::threadpool& tpool = tools::threadpool::getInstance();
tools::threadpool::waiter waiter;
std::deque<bool> results(rv.outPk.size(), false);
tools::thread_group threadpool(tools::thread_group::optimal_with_max(rv.outPk.size()));
tools::task_region(threadpool, [&] (tools::task_region_handle& region) {
DP("range proofs verified?");
for (size_t i = 0; i < rv.outPk.size(); i++) {
region.run([&, i] {
results[i] = verRange(rv.outPk[i].mask, rv.p.rangeSigs[i]);
});
}
});
DP("range proofs verified?");
for (size_t i = 0; i < rv.outPk.size(); i++) {
tpool.submit(&waiter, [&, i] {
results[i] = verRange(rv.outPk[i].mask, rv.p.rangeSigs[i]);
});
}
waiter.wait();
for (size_t i = 0; i < rv.outPk.size(); ++i) {
if (!results[i]) {
@@ -794,7 +792,8 @@ namespace rct {
const size_t threads = std::max(rv.outPk.size(), rv.mixRing.size());
std::deque<bool> results(threads);
tools::thread_group threadpool(tools::thread_group::optimal_with_max(threads));
tools::threadpool& tpool = tools::threadpool::getInstance();
tools::threadpool::waiter waiter;
if (semantics) {
key sumOutpks = identity();
@@ -819,13 +818,12 @@ namespace rct {
results.clear();
results.resize(rv.outPk.size());
tools::task_region(threadpool, [&] (tools::task_region_handle& region) {
for (size_t i = 0; i < rv.outPk.size(); i++) {
region.run([&, i] {
results[i] = verRange(rv.outPk[i].mask, rv.p.rangeSigs[i]);
});
}
});
for (size_t i = 0; i < rv.outPk.size(); i++) {
tpool.submit(&waiter, [&, i] {
results[i] = verRange(rv.outPk[i].mask, rv.p.rangeSigs[i]);
});
}
waiter.wait();
for (size_t i = 0; i < results.size(); ++i) {
if (!results[i]) {
@@ -839,13 +837,12 @@ namespace rct {
results.clear();
results.resize(rv.mixRing.size());
tools::task_region(threadpool, [&] (tools::task_region_handle& region) {
for (size_t i = 0 ; i < rv.mixRing.size() ; i++) {
region.run([&, i] {
for (size_t i = 0 ; i < rv.mixRing.size() ; i++) {
tpool.submit(&waiter, [&, i] {
results[i] = verRctMGSimple(message, rv.p.MGs[i], rv.mixRing[i], rv.pseudoOuts[i]);
});
}
});
});
}
waiter.wait();
for (size_t i = 0; i < results.size(); ++i) {
if (!results[i]) {