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authorzhang zhihao <[email protected]>2022-11-13 10:56:00 +0000
committerzhang zhihao <[email protected]>2022-11-13 10:56:00 +0000
commite231a36b5eded89f1dc8aeaa730b985adb41903b (patch)
treecc5b4a7c44836c050ad9da62bbed39c21b50a4b8 /main.cpp
parent688dbd122e4f1dbce6a9be0102013d50fdcd6c47 (diff)
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Diffstat (limited to 'main.cpp')
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+#include <cmath>
+#include <cstdio>
+#include <cstdlib>
+#include <iostream>
+#include <algorithm>
+#include <string>
+#include <cstring>
+#include <map>
+#include <fstream>
+#include "init/params.h"
+#include "init/BOBHash32.h"
+#include "init/BOBHash64.h"
+#include "init/ssummary.h"
+#include "include/cmsketch.h"
+#include "include/CSS.h"
+#include "include/heavykeeper.h"
+#include "include/LossyCounting.h"
+#include "include/spacesaving.h"
+
+using namespace std;
+map <string, int> B, C;
+struct node { string x; int y; } p[10000005];
+ifstream fin("/home/zhang/桌面/heavykeeper/2016.dat", ios::in | ios::binary);
+char a[105];
+string Read()
+{
+ fin.read(a, 8);
+ a[8] = '\0';
+ string tmp = a;
+ // for (int i=0; i < 13; i++)
+ //{
+ // tmp += a[i];
+ // }
+ // tmp += '\0';
+ return tmp;
+}
+int cmp(node i, node j) { return i.y > j.y; }
+int main()
+{
+ int MEM, K;
+ cin >> MEM >> K;
+ cout << "MEM=" << MEM << "KB" << endl << "Find top" << K << endl << endl;
+ cout << "preparing all algorithms" << endl;
+ int m = 100000; // the number of flows
+ // preparing heavykeeper
+ int hk_M;
+ for (hk_M = 1; 32 * hk_M * HK_d + 432 * K <= MEM * 1024 * 8; hk_M++); if (hk_M % 2 == 0) hk_M--;
+ heavykeeper* hk; hk = new heavykeeper(hk_M, K); hk->clear();
+ //preparing cmsketch
+ int cm_M;
+ for (cm_M = 1; 32 * cm_M * cm_d + 432 * K <= MEM * 1024 * 8; cm_M++); if (cm_M % 2 == 0) cm_M--;
+ cmsketch* cm; cm = new cmsketch(cm_M, K); cm->clear();
+ // preparing spacesaving
+ int ss_M;
+ for (ss_M = 1; 432 * ss_M <= MEM * 1024 * 8; ss_M++);
+ spacesaving* ss; ss = new spacesaving(ss_M, K);
+
+ // preparing LossyCounting
+ int LC_M;
+ for (LC_M = 1; 227 * LC_M <= MEM * 1024 * 8; LC_M++);
+ LossyCounting* LC; LC = new LossyCounting(K);
+
+ // preparing CSS
+ int css_M;
+ for (css_M = 1; 179 * css_M + 4 * css_M * log(css_M) / log(2) <= MEM * 1024 * 8; css_M++);
+ CSS* css; css = new CSS(css_M, K); css->clear();
+ // Inserting
+ for (int i = 1; i <= m; i++)
+ {
+ if (i % (m / 10) == 0) cout << "Insert " << i << endl;
+ string s = Read();
+ B[s]++;
+ hk->Insert(s);
+ ss->Insert(s);
+ LC->Insert(s, i / LC_M); if (i % LC_M == 0) LC->clear(i / LC_M);
+ css->Insert(s);
+ cm->Insert(s);
+ }
+ hk->work();
+ ss->work();
+ LC->work();
+ css->work();
+ cm->work();
+ cout << "preparing true flow" << endl;
+ // preparing true flow
+ int cnt = 0;
+ for (map <string, int>::iterator sit = B.begin(); sit != B.end(); sit++)
+ {
+ p[++cnt].x = sit->first;
+ p[cnt].y = sit->second;
+ }
+ sort(p + 1, p + cnt + 1, cmp);
+ for (int i = 1; i <= K; i++) C[p[i].x] = p[i].y;
+
+ // Calculating PRE, ARE, AAE
+ cout << "Calculating" << endl;
+ int hk_sum = 0, hk_AAE = 0; double hk_ARE = 0;
+ string hk_string; int hk_num;
+ for (int i = 0; i < K; i++)
+ {
+ hk_string = (hk->Query(i)).first; hk_num = (hk->Query(i)).second;
+ hk_AAE += abs(B[hk_string] - hk_num); hk_ARE += abs(B[hk_string] - hk_num) / (B[hk_string] + 0.0);
+ if (C[hk_string]) hk_sum++;
+ }
+
+ int cm_sum = 0, cm_AAE = 0; double cm_ARE = 0;
+ string cm_string; int cm_num;
+ for (int i = 0; i < K; i++)
+ {
+ cm_string = (cm->Query(i)).first; cm_num = (cm->Query(i)).second;
+ cm_AAE += abs(B[cm_string] - cm_num); cm_ARE += abs(B[cm_string] - cm_num) / (B[cm_string] + 0.0);
+ if (C[cm_string]) cm_sum++;
+ }
+
+ int LC_sum = 0, LC_AAE = 0; double LC_ARE = 0;
+ string LC_string; int LC_num;
+ for (int i = 0; i < K; i++)
+ {
+ LC_string = (LC->Query(i)).first; LC_num = (LC->Query(i)).second;
+ LC_AAE += abs(B[LC_string] - LC_num); LC_ARE += abs(B[LC_string] - LC_num) / (B[LC_string] + 0.0);
+ if (C[LC_string]) LC_sum++;
+ }
+
+ int ss_sum = 0, ss_AAE = 0; double ss_ARE = 0;
+ string ss_string; int ss_num;
+ for (int i = 0; i < K; i++)
+ {
+ ss_string = (ss->Query(i)).first; ss_num = (ss->Query(i)).second;
+ ss_AAE += abs(B[ss_string] - ss_num); ss_ARE += abs(B[ss_string] - ss_num) / (B[ss_string] + 0.0);
+ if (C[ss_string]) ss_sum++;
+ }
+
+ int css_sum = 0, css_AAE = 0; double css_ARE = 0;
+ string css_string; int css_num;
+ for (int i = 0; i < K; i++)
+ {
+ css_string = (css->Query(i)).first; css_num = (css->Query(i)).second;
+ css_AAE += abs(B[css_string] - css_num); css_ARE += abs(B[css_string] - css_num) / (B[css_string] + 0.0);
+ if (C[css_string]) css_sum++;
+ }
+ printf("heavkeeper:\nAccepted: %d/%d %.10f\nARE: %.10f\nAAE: %.10f\n\n", hk_sum, K, (hk_sum / (K + 0.0)), hk_ARE / K, hk_AAE / (K + 0.0));
+ printf("LossyCounting:\nAccepted: %d/%d %.10f\nARE: %.10f\nAAE: %.10f\n\n", LC_sum, K, (LC_sum / (K + 0.0)), LC_ARE / K, LC_AAE / (K + 0.0));
+ printf("spacesaving:\nAccepted: %d/%d %.10f\nARE: %.10f\nAAE: %.10f\n\n", ss_sum, K, (ss_sum / (K + 0.0)), ss_ARE / K, ss_AAE / (K + 0.0));
+ printf("CSS:\nAccepted: %d/%d %.10f\nARE: %.10f\nAAE: %.10f\n\n", css_sum, K, (css_sum / (K + 0.0)), css_ARE / K, css_AAE / (K + 0.0));
+ printf("cmsketch:\nAccepted: %d/%d %.10f\nARE: %.10f\nAAE: %.10f\n\n", cm_sum, K, (cm_sum / (K + 0.0)), cm_ARE / K, cm_AAE / (K + 0.0));
+ return 0;
+}