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/*
*
*/
#define ENABLE_TIMER
#include <thread>
#include "framework/DynamicExtension.h"
#include "shard/ISAMTree.h"
#include "query/rangecount.h"
#include "framework/interface/Record.h"
#include <unistd.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, de::LayoutPolicy::TEIRING, de::DeletePolicy::TAGGING, de::FIFOScheduler> Ext;
std::atomic<size_t> total_latency = 0;
void insert_thread(Ext *extension, size_t n, size_t k, size_t rate) {
int64_t delay = (1.0 / (double) rate) * 10e6; // delay in us
TIMER_INIT();
for (int64_t i=0; i<n; i+=k) {
TIMER_START();
for (int64_t j=0; j<k; j++) {
Rec r = {i+j, i+j};
while (!extension->insert(r)) {
_mm_pause();
}
//usleep(delay);
/*
for (size_t i=0; i<10000; i++) {
__asm__ __volatile__ ("":::"memory");
}
*/
}
TIMER_STOP();
auto insert_lat = TIMER_RESULT();
total_latency.fetch_add(insert_lat);
fprintf(stdout, "I\t%ld\t%ld\t%ld\n", i+k, insert_lat, k);
}
}
int main(int argc, char **argv) {
/* the closeout routine takes _forever_ ... so we'll just leak the memory */
auto extension = new Ext(100, 1000000, 3);
size_t n = 100000000;
size_t per_trial = 1000;
double selectivity = .001;
size_t rate = 1000000;
total_latency.store(0);
gsl_rng * rng = gsl_rng_alloc(gsl_rng_mt19937);
std::thread i_thrd1(insert_thread, extension, n/2, per_trial, rate);
std::thread i_thrd2(insert_thread, extension, n/2, per_trial, rate);
i_thrd1.join();
i_thrd2.join();
auto avg_latency = total_latency.load() / n;
auto throughput = (int64_t) ((double) n / (double) total_latency * 1e9);
fprintf(stdout, "AVG LAT: %ld\nThroughput: %ld\n", avg_latency, throughput);
gsl_rng_free(rng);
fflush(stderr);
}
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