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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/*
*
*/
#define ENABLE_TIMER
#include <fstream>
#include <sstream>
#include "framework/DynamicExtension.h"
#include "shard/FSTrie.h"
#include "query/rangequery.h"
#include "framework/interface/Record.h"
#include "psu-util/timer.h"
#include "psu-util/progress.h"
typedef de::Record<std::string, uint64_t> Rec;
typedef de::FSTrie<Rec> Trie;
typedef de::rq::Query<Rec, Trie> Q;
typedef de::DynamicExtension<Rec, Trie, Q> Ext; //, de::LayoutPolicy::TEIRING, de::DeletePolicy::TAGGING, de::SerialScheduler> Ext;
std::vector<std::string> strings;
void insert_thread(int64_t start, int64_t end, Ext *extension) {
for (uint64_t i=start; i<end; i++) {
Rec r = {strings[i], i};
while (!extension->insert(r)) {
_mm_pause();
}
}
}
void read_data(std::string fname, size_t n=10000000) {
strings.reserve(n);
std::fstream file;
file.open(fname, std::ios::in);
size_t i=0;
std::string line;
while (i < n && std::getline(file, line, '\n')) {
strings.emplace_back(line);
i++;
psudb::progress_update((double) i / (double) n, "Reading file:");
}
}
int main(int argc, char **argv) {
size_t n = 100000000;
std::vector<int> counts = {1 , 2, 4, 8}; //, 16, 32, 64};
//
read_data("benchmarks/data/ursa-genome.txt", n);
fprintf(stderr, "Finished reading from file.\n");
for (auto thread_count : counts) {
auto extension = new Ext(1000, 12000, 8);
size_t per_thread = n / thread_count;
std::thread threads[thread_count];
TIMER_INIT();
TIMER_START();
for (size_t i=0; i<thread_count; i++) {
threads[i] = std::thread(insert_thread, i*per_thread,
i*per_thread+per_thread, extension);
}
for (size_t i=0; i<thread_count; i++) {
threads[i].join();
}
TIMER_STOP();
auto total_time = TIMER_RESULT();
double tput = (double) n / (double) total_time * 1e9;
fprintf(stdout, "%ld\t%d\t%lf\n", extension->get_record_count(),
thread_count, tput);
delete extension;
}
fflush(stderr);
}
|