45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
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#pragma once
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#if SIMDJSON_EXCEPTIONS
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#include "large_amazon_cellphones.h"
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#include <algorithm>
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namespace large_amazon_cellphones {
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using namespace simdjson;
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struct simdjson_dom {
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using StringType = std::string;
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dom::parser parser{};
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bool run(simdjson::padded_string &json, std::map<StringType, brand> &result) {
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auto stream = parser.parse_many(json);
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auto i = stream.begin();
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++i; // Skip first line
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for (;i != stream.end(); ++i) {
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auto doc = *i;
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StringType copy(std::string_view(doc.at(1)));
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auto x = result.find(copy);
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if (x == result.end()) { // If key not found, add new key
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result.emplace(copy, large_amazon_cellphones::brand{
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double(doc.at(5)) * uint64_t(doc.at(7)),
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uint64_t(doc.at(7))
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});
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} else { // Otherwise, update key data
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x->second.cumulative_rating += double(doc.at(5)) * uint64_t(doc.at(7));
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x->second.reviews_count += uint64_t(doc.at(7));
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}
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}
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return true;
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}
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};
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BENCHMARK_TEMPLATE(large_amazon_cellphones, simdjson_dom)->UseManualTime();
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} // namespace large_amazon_cellphones
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#endif // SIMDJSON_EXCEPTIONS
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