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emory-compare: print percentage matched

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Danny Robson 2019-04-24 07:37:10 +10:00
parent bb08fb233d
commit 32123d6cb5
1 changed files with 10 additions and 3 deletions
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13
emory-compare.cpp
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@ -166,11 +166,18 @@ int main (int argc, char const **argv)
std::clog << "Finding common\n";
auto const &found = common (target, source);
std::size_t total = 0;
std::size_t matching = 0;
for (auto const &i: found) {
std::cout << i << '\n';
total += i.offset.second - i.offset.first;
matching += i.offset.second - i.offset.first;
}
std::cout << "Found " << found.size () << " chunks of " << total << " bytes\n";
std::size_t const total = std::accumulate (
target.elements.begin (),
target.elements.end (),
0u,
[] (auto const &a, auto const &b) { return a + b.offset.second - b.offset.first; }
);
std::cout << "Found " << found.size () << " chunks of " << matching << " bytes for a factor of " << float (matching) / total << "\n";
}