mirror of
https://github.com/moses-smt/mosesdecoder.git
synced 2024-12-27 05:55:02 +03:00
2784923899
Make loading with MAP_POPULATE on Linux and read on other OSes the default. Use LM #9 for lazy loading, as recommended by other devs. Slightly faster trie. git-svn-id: https://mosesdecoder.svn.sourceforge.net/svnroot/mosesdecoder/trunk@3688 1f5c12ca-751b-0410-a591-d2e778427230
73 lines
2.0 KiB
C++
73 lines
2.0 KiB
C++
#include "lm/model.hh"
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#include <cstdlib>
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#include <fstream>
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#include <iostream>
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#include <string>
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#include <sys/resource.h>
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#include <sys/time.h>
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float FloatSec(const struct timeval &tv) {
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return static_cast<float>(tv.tv_sec) + (static_cast<float>(tv.tv_usec) / 1000000000.0);
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}
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void PrintUsage(const char *message) {
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struct rusage usage;
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if (getrusage(RUSAGE_SELF, &usage)) {
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perror("getrusage");
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return;
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}
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std::cerr << message;
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std::cerr << "user\t" << FloatSec(usage.ru_utime) << "\nsys\t" << FloatSec(usage.ru_stime) << '\n';
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// Linux doesn't set memory usage :-(.
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std::ifstream status("/proc/self/status", std::ios::in);
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std::string line;
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while (getline(status, line)) {
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if (!strncmp(line.c_str(), "VmRSS:\t", 7)) {
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std::cerr << "rss " << (line.c_str() + 7) << '\n';
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break;
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}
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}
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}
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template <class Model> void Query(const Model &model) {
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PrintUsage("Loading statistics:\n");
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typename Model::State state, out;
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lm::FullScoreReturn ret;
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std::string word;
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while (std::cin) {
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state = model.BeginSentenceState();
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float total = 0.0;
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bool got = false;
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while (std::cin >> word) {
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got = true;
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ret = model.FullScore(state, model.GetVocabulary().Index(word), out);
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total += ret.prob;
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std::cout << word << ' ' << static_cast<unsigned int>(ret.ngram_length) << ' ' << ret.prob << ' ';
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state = out;
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if (std::cin.get() == '\n') break;
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}
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if (!got && !std::cin) break;
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ret = model.FullScore(state, model.GetVocabulary().EndSentence(), out);
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total += ret.prob;
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std::cout << "</s> " << static_cast<unsigned int>(ret.ngram_length) << ' ' << ret.prob << ' ';
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std::cout << "Total: " << total << '\n';
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}
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PrintUsage("After queries:\n");
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}
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int main(int argc, char *argv[]) {
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if (argc < 2) {
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std::cerr << "Pass language model name." << std::endl;
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return 0;
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}
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{
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lm::ngram::Model ngram(argv[1]);
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Query(ngram);
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}
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PrintUsage("Total time including destruction:\n");
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}
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