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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
/*
*
*/
#define ENABLE_TIMER
#include <thread>
#include "framework/DynamicExtension.h"
#include "shard/ISAMTree.h"
#include "query/rangecount.h"
#include "framework/interface/Record.h"
#include <gsl/gsl_rng.h>
#include "psu-util/timer.h"
typedef de::Record<int64_t, int64_t> Rec;
typedef de::ISAMTree<Rec> ISAM;
typedef de::rc::Query<ISAM, Rec> Q;
typedef de::DynamicExtension<Rec, ISAM, Q> Ext;
std::atomic<bool> inserts_done = false;
void query_thread(Ext *extension, size_t n) {
gsl_rng *rng = gsl_rng_alloc(gsl_rng_mt19937);
size_t range = n*.0001;
de::rc::Parms<Rec> *q = new de::rc::Parms<Rec>();
while (!inserts_done.load()) {
size_t start = gsl_rng_uniform_int(rng, n - range);
q->lower_bound = start;
q->upper_bound = start + range;
auto res = extension->query(q);
auto r = res.get();
usleep(100);
}
gsl_rng_free(rng);
delete q;
}
void insert_thread(Ext *extension, size_t n, gsl_rng *rng) {
size_t reccnt = 0;
Rec r;
for (size_t i=0; i<n; i++) {
r.key = gsl_rng_uniform_int(rng, n);
r.value = gsl_rng_uniform_int(rng, n);
while (!extension->insert(r)) {
usleep(1);
}
}
inserts_done.store(true);
}
int main(int argc, char **argv) {
if (argc < 3) {
fprintf(stderr, "insert_query_tput reccnt query_threads\n");
exit(EXIT_FAILURE);
}
size_t n = atol(argv[1]);
size_t qthread_cnt = atol(argv[2]);
auto extension = new Ext(1000, 12000, 8);
gsl_rng * rng = gsl_rng_alloc(gsl_rng_mt19937);
/* warmup structure w/ 10% of records */
size_t warmup = .1 * n;
Rec r;
for (size_t i=0; i<warmup; i++) {
r.key = gsl_rng_uniform_int(rng, n);
r.value = gsl_rng_uniform_int(rng, n);
while (!extension->insert(r)) {
usleep(1);
}
}
extension->await_next_epoch();
TIMER_INIT();
std::vector<std::thread> qthreads(qthread_cnt);
TIMER_START();
std::thread i_thrd(insert_thread, extension, n - warmup, rng);
for (size_t i=0; i<qthread_cnt; i++) {
qthreads[i] = std::thread(query_thread, extension, n);
}
i_thrd.join();
TIMER_STOP();
for (size_t i=0; i<qthread_cnt; i++) {
qthreads[i].join();
}
auto total_latency = TIMER_RESULT();
size_t throughput = (size_t) ((double) (n - warmup) / (double) total_latency * 1e9);
fprintf(stdout, "T\t%ld\t%ld\n", total_latency, throughput);
gsl_rng_free(rng);
delete extension;
fflush(stderr);
}
|