1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
#pragma once
#if SIMDJSON_EXCEPTIONS
#include "amazon_cellphones.h"
namespace amazon_cellphones {
using namespace simdjson;
template<bool threaded>
struct simdjson_dom {
using StringType = std::string;
dom::parser parser{};
bool run(simdjson::padded_string &json, std::map<StringType, brand> &result) {
#ifdef SIMDJSON_THREADS_ENABLED
parser.threaded = threaded;
#endif
auto stream = parser.parse_many(json);
auto i = stream.begin();
++i; // Skip first line
for (;i != stream.end(); ++i) {
auto doc = *i;
StringType copy(std::string_view(doc.at(1)));
auto x = result.find(copy);
if (x == result.end()) { // If key not found, add new key
result.emplace(copy, amazon_cellphones::brand{
double(doc.at(5)) * uint64_t(doc.at(7)),
uint64_t(doc.at(7))
});
} else { // Otherwise, update key data
x->second.cumulative_rating += double(doc.at(5)) * uint64_t(doc.at(7));
x->second.reviews_count += uint64_t(doc.at(7));
}
}
return true;
}
};
BENCHMARK_TEMPLATE(amazon_cellphones, simdjson_dom<UNTHREADED>)->UseManualTime();
#ifdef SIMDJSON_THREADS_ENABLED
BENCHMARK_TEMPLATE(amazon_cellphones, simdjson_dom<THREADED>)->UseManualTime();
#endif
} // namespace amazon_cellphones
#endif // SIMDJSON_EXCEPTIONS
|
