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Unify benchmarks, more accurate measurements

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apostolos 2021-09-22 12:05:28 +03:00 committed by Konstantinos Margaritis
parent b40899966f
commit bc57891aa0
1 changed files with 0 additions and 68 deletions
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benchmarks/noodle.cpp
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#include <iostream>
#include "ue2common.h"
#include "benchmarks.hpp"
#include "hwlm/noodle_build.h"
#include "hwlm/noodle_engine.h"
#include "hwlm/hwlm.h"
#include "hwlm/hwlm_literal.h"
#include "scratch.h"
#include <vector>
#include <chrono>
#include <memory>
struct hlmMatchEntry {
size_t to;
u32 id;
hlmMatchEntry(size_t end, u32 identifier) :
to(end), id(identifier) {}
};
std::vector<hlmMatchEntry> ctxt;
static
hwlmcb_rv_t hlmSimpleCallback(size_t to, u32 id,
UNUSED struct hs_scratch *scratch) {
DEBUG_PRINTF("match @%zu = %u\n", to, id);
ctxt.push_back(hlmMatchEntry(to, id));
return HWLM_CONTINUE_MATCHING;
}
void noodle_benchmarks(int size, int loops, const char *lit_str, int lit_len, char nocase){
ctxt.clear();
std::unique_ptr<u8 []> data ( new u8[size] );
memset(data.get(), 'a', size);
double total_sec = 0.0;
u64a transferred_size = 0;
double avg_time = 0.0;
double max_bw = 0.0;
double bandwitdh = 0.0;
u32 id = 1000;
ue2::hwlmLiteral lit(std::string(lit_str, lit_len), nocase, id);
auto n = ue2::noodBuildTable(lit);
assert(n != nullptr);
struct hs_scratch scratch;
auto start = std::chrono::steady_clock::now();
for (int i = 0; i < loops; i++){
noodExec(n.get(), data.get(), size, 0, hlmSimpleCallback, &scratch);
}
auto end = std::chrono::steady_clock::now();
total_sec += std::chrono::duration_cast<std::chrono::microseconds>(end - start).count();
/*calculate transferred size*/
transferred_size = size * loops;
/*calculate average time*/
avg_time = total_sec / loops;
/*convert microseconds to seconds*/
total_sec /= 1000000.0;
/*calculate maximum bandwidth*/
max_bw = transferred_size / total_sec;
/*convert to MB/s*/
max_bw /= 1048576.0;
/*calculate average bandwidth*/
bandwitdh = max_bw / loops;
printf(KMAG "Case with %u matches in random pos with %u * %u iterations," KBLU " total elapsed time =" RST " %.3f s, "
KBLU "average time per call =" RST " %.3f μs," KBLU " bandwidth = " RST " %.3f MB/s," KBLU " average bandwidth =" RST " %.3f MB/s \n",
lit_len, size ,loops, total_sec, avg_time, max_bw, bandwitdh);
}