diff options
Diffstat (limited to 'src/bench')
-rw-r--r-- | src/bench/bench.cpp | 4 | ||||
-rw-r--r-- | src/bench/bench_bitcoin.cpp | 1 | ||||
-rw-r--r-- | src/bench/mempool_eviction.cpp | 41 | ||||
-rw-r--r-- | src/bench/perf.cpp | 53 | ||||
-rw-r--r-- | src/bench/perf.h | 37 |
5 files changed, 30 insertions, 106 deletions
diff --git a/src/bench/bench.cpp b/src/bench/bench.cpp index 21329a5151..de3e57b04f 100644 --- a/src/bench/bench.cpp +++ b/src/bench/bench.cpp @@ -3,7 +3,6 @@ // file COPYING or http://www.opensource.org/licenses/mit-license.php. #include <bench/bench.h> -#include <bench/perf.h> #include <assert.h> #include <iostream> @@ -96,7 +95,6 @@ benchmark::BenchRunner::BenchRunner(std::string name, benchmark::BenchFunction f void benchmark::BenchRunner::RunAll(Printer& printer, uint64_t num_evals, double scaling, const std::string& filter, bool is_list_only) { - perf_init(); if (!std::ratio_less_equal<benchmark::clock::period, std::micro>::value) { std::cerr << "WARNING: Clock precision is worse than microsecond - benchmarks may be less accurate!\n"; } @@ -126,8 +124,6 @@ void benchmark::BenchRunner::RunAll(Printer& printer, uint64_t num_evals, double } printer.footer(); - - perf_fini(); } bool benchmark::State::UpdateTimer(const benchmark::time_point current_time) diff --git a/src/bench/bench_bitcoin.cpp b/src/bench/bench_bitcoin.cpp index 1d87883522..c1f3339830 100644 --- a/src/bench/bench_bitcoin.cpp +++ b/src/bench/bench_bitcoin.cpp @@ -46,7 +46,6 @@ main(int argc, char** argv) RandomInit(); ECC_Start(); SetupEnvironment(); - fPrintToDebugLog = false; // don't want to write to debug.log file int64_t evaluations = gArgs.GetArg("-evals", DEFAULT_BENCH_EVALUATIONS); std::string regex_filter = gArgs.GetArg("-filter", DEFAULT_BENCH_FILTER); diff --git a/src/bench/mempool_eviction.cpp b/src/bench/mempool_eviction.cpp index e05a5e3d1e..4c947a519f 100644 --- a/src/bench/mempool_eviction.cpp +++ b/src/bench/mempool_eviction.cpp @@ -9,16 +9,16 @@ #include <list> #include <vector> -static void AddTx(const CMutableTransaction& tx, const CAmount& nFee, CTxMemPool& pool) +static void AddTx(const CTransactionRef& tx, const CAmount& nFee, CTxMemPool& pool) { int64_t nTime = 0; unsigned int nHeight = 1; bool spendsCoinbase = false; unsigned int sigOpCost = 4; LockPoints lp; - pool.addUnchecked(tx.GetHash(), CTxMemPoolEntry( - MakeTransactionRef(tx), nFee, nTime, nHeight, - spendsCoinbase, sigOpCost, lp)); + pool.addUnchecked(tx->GetHash(), CTxMemPoolEntry( + tx, nFee, nTime, nHeight, + spendsCoinbase, sigOpCost, lp)); } // Right now this is only testing eviction performance in an extremely small @@ -29,6 +29,7 @@ static void MempoolEviction(benchmark::State& state) CMutableTransaction tx1 = CMutableTransaction(); tx1.vin.resize(1); tx1.vin[0].scriptSig = CScript() << OP_1; + tx1.vin[0].scriptWitness.stack.push_back({1}); tx1.vout.resize(1); tx1.vout[0].scriptPubKey = CScript() << OP_1 << OP_EQUAL; tx1.vout[0].nValue = 10 * COIN; @@ -36,6 +37,7 @@ static void MempoolEviction(benchmark::State& state) CMutableTransaction tx2 = CMutableTransaction(); tx2.vin.resize(1); tx2.vin[0].scriptSig = CScript() << OP_2; + tx2.vin[0].scriptWitness.stack.push_back({2}); tx2.vout.resize(1); tx2.vout[0].scriptPubKey = CScript() << OP_2 << OP_EQUAL; tx2.vout[0].nValue = 10 * COIN; @@ -44,6 +46,7 @@ static void MempoolEviction(benchmark::State& state) tx3.vin.resize(1); tx3.vin[0].prevout = COutPoint(tx2.GetHash(), 0); tx3.vin[0].scriptSig = CScript() << OP_2; + tx3.vin[0].scriptWitness.stack.push_back({3}); tx3.vout.resize(1); tx3.vout[0].scriptPubKey = CScript() << OP_3 << OP_EQUAL; tx3.vout[0].nValue = 10 * COIN; @@ -52,8 +55,10 @@ static void MempoolEviction(benchmark::State& state) tx4.vin.resize(2); tx4.vin[0].prevout.SetNull(); tx4.vin[0].scriptSig = CScript() << OP_4; + tx4.vin[0].scriptWitness.stack.push_back({4}); tx4.vin[1].prevout.SetNull(); tx4.vin[1].scriptSig = CScript() << OP_4; + tx4.vin[1].scriptWitness.stack.push_back({4}); tx4.vout.resize(2); tx4.vout[0].scriptPubKey = CScript() << OP_4 << OP_EQUAL; tx4.vout[0].nValue = 10 * COIN; @@ -64,8 +69,10 @@ static void MempoolEviction(benchmark::State& state) tx5.vin.resize(2); tx5.vin[0].prevout = COutPoint(tx4.GetHash(), 0); tx5.vin[0].scriptSig = CScript() << OP_4; + tx5.vin[0].scriptWitness.stack.push_back({4}); tx5.vin[1].prevout.SetNull(); tx5.vin[1].scriptSig = CScript() << OP_5; + tx5.vin[1].scriptWitness.stack.push_back({5}); tx5.vout.resize(2); tx5.vout[0].scriptPubKey = CScript() << OP_5 << OP_EQUAL; tx5.vout[0].nValue = 10 * COIN; @@ -76,8 +83,10 @@ static void MempoolEviction(benchmark::State& state) tx6.vin.resize(2); tx6.vin[0].prevout = COutPoint(tx4.GetHash(), 1); tx6.vin[0].scriptSig = CScript() << OP_4; + tx6.vin[0].scriptWitness.stack.push_back({4}); tx6.vin[1].prevout.SetNull(); tx6.vin[1].scriptSig = CScript() << OP_6; + tx6.vin[1].scriptWitness.stack.push_back({6}); tx6.vout.resize(2); tx6.vout[0].scriptPubKey = CScript() << OP_6 << OP_EQUAL; tx6.vout[0].nValue = 10 * COIN; @@ -88,8 +97,10 @@ static void MempoolEviction(benchmark::State& state) tx7.vin.resize(2); tx7.vin[0].prevout = COutPoint(tx5.GetHash(), 0); tx7.vin[0].scriptSig = CScript() << OP_5; + tx7.vin[0].scriptWitness.stack.push_back({5}); tx7.vin[1].prevout = COutPoint(tx6.GetHash(), 0); tx7.vin[1].scriptSig = CScript() << OP_6; + tx7.vin[1].scriptWitness.stack.push_back({6}); tx7.vout.resize(2); tx7.vout[0].scriptPubKey = CScript() << OP_7 << OP_EQUAL; tx7.vout[0].nValue = 10 * COIN; @@ -97,15 +108,23 @@ static void MempoolEviction(benchmark::State& state) tx7.vout[1].nValue = 10 * COIN; CTxMemPool pool; + // Create transaction references outside the "hot loop" + const CTransactionRef tx1_r{MakeTransactionRef(tx1)}; + const CTransactionRef tx2_r{MakeTransactionRef(tx2)}; + const CTransactionRef tx3_r{MakeTransactionRef(tx3)}; + const CTransactionRef tx4_r{MakeTransactionRef(tx4)}; + const CTransactionRef tx5_r{MakeTransactionRef(tx5)}; + const CTransactionRef tx6_r{MakeTransactionRef(tx6)}; + const CTransactionRef tx7_r{MakeTransactionRef(tx7)}; while (state.KeepRunning()) { - AddTx(tx1, 10000LL, pool); - AddTx(tx2, 5000LL, pool); - AddTx(tx3, 20000LL, pool); - AddTx(tx4, 7000LL, pool); - AddTx(tx5, 1000LL, pool); - AddTx(tx6, 1100LL, pool); - AddTx(tx7, 9000LL, pool); + AddTx(tx1_r, 10000LL, pool); + AddTx(tx2_r, 5000LL, pool); + AddTx(tx3_r, 20000LL, pool); + AddTx(tx4_r, 7000LL, pool); + AddTx(tx5_r, 1000LL, pool); + AddTx(tx6_r, 1100LL, pool); + AddTx(tx7_r, 9000LL, pool); pool.TrimToSize(pool.DynamicMemoryUsage() * 3 / 4); pool.TrimToSize(GetVirtualTransactionSize(tx1)); } diff --git a/src/bench/perf.cpp b/src/bench/perf.cpp deleted file mode 100644 index f92d08c56e..0000000000 --- a/src/bench/perf.cpp +++ /dev/null @@ -1,53 +0,0 @@ -// Copyright (c) 2016-2017 The Bitcoin Core developers -// Distributed under the MIT software license, see the accompanying -// file COPYING or http://www.opensource.org/licenses/mit-license.php. - -#include <bench/perf.h> - -#if defined(__i386__) || defined(__x86_64__) - -/* These architectures support querying the cycle counter - * from user space, no need for any syscall overhead. - */ -void perf_init(void) { } -void perf_fini(void) { } - -#elif defined(__linux__) - -#include <unistd.h> -#include <sys/syscall.h> -#include <linux/perf_event.h> - -static int fd = -1; -static struct perf_event_attr attr; - -void perf_init(void) -{ - attr.type = PERF_TYPE_HARDWARE; - attr.config = PERF_COUNT_HW_CPU_CYCLES; - fd = syscall(__NR_perf_event_open, &attr, 0, -1, -1, 0); -} - -void perf_fini(void) -{ - if (fd != -1) { - close(fd); - } -} - -uint64_t perf_cpucycles(void) -{ - uint64_t result = 0; - if (fd == -1 || read(fd, &result, sizeof(result)) < (ssize_t)sizeof(result)) { - return 0; - } - return result; -} - -#else /* Unhandled platform */ - -void perf_init(void) { } -void perf_fini(void) { } -uint64_t perf_cpucycles(void) { return 0; } - -#endif diff --git a/src/bench/perf.h b/src/bench/perf.h deleted file mode 100644 index 73ea8b9647..0000000000 --- a/src/bench/perf.h +++ /dev/null @@ -1,37 +0,0 @@ -// Copyright (c) 2016 The Bitcoin Core developers -// Distributed under the MIT software license, see the accompanying -// file COPYING or http://www.opensource.org/licenses/mit-license.php. - -/** Functions for measurement of CPU cycles */ -#ifndef BITCOIN_BENCH_PERF_H -#define BITCOIN_BENCH_PERF_H - -#include <stdint.h> - -#if defined(__i386__) - -static inline uint64_t perf_cpucycles(void) -{ - uint64_t x; - __asm__ volatile (".byte 0x0f, 0x31" : "=A" (x)); - return x; -} - -#elif defined(__x86_64__) - -static inline uint64_t perf_cpucycles(void) -{ - uint32_t hi, lo; - __asm__ __volatile__ ("rdtsc" : "=a"(lo), "=d"(hi)); - return ((uint64_t)lo)|(((uint64_t)hi)<<32); -} -#else - -uint64_t perf_cpucycles(void); - -#endif - -void perf_init(void); -void perf_fini(void); - -#endif // BITCOIN_BENCH_PERF_H |