1/*
2 * Legal Notice
3 *
4 * This document and associated source code (the "Work") is a part of a
5 * benchmark specification maintained by the TPC.
6 *
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8 * under U.S. and international laws, including without limitation all patent
9 * and trademark rights therein.
10 *
11 * No Warranty
12 *
13 * 1.1 TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE INFORMATION
14 * CONTAINED HEREIN IS PROVIDED "AS IS" AND WITH ALL FAULTS, AND THE
15 * AUTHORS AND DEVELOPERS OF THE WORK HEREBY DISCLAIM ALL OTHER
16 * WARRANTIES AND CONDITIONS, EITHER EXPRESS, IMPLIED OR STATUTORY,
17 * INCLUDING, BUT NOT LIMITED TO, ANY (IF ANY) IMPLIED WARRANTIES,
18 * DUTIES OR CONDITIONS OF MERCHANTABILITY, OF FITNESS FOR A PARTICULAR
19 * PURPOSE, OF ACCURACY OR COMPLETENESS OF RESPONSES, OF RESULTS, OF
20 * WORKMANLIKE EFFORT, OF LACK OF VIRUSES, AND OF LACK OF NEGLIGENCE.
21 * ALSO, THERE IS NO WARRANTY OR CONDITION OF TITLE, QUIET ENJOYMENT,
22 * QUIET POSSESSION, CORRESPONDENCE TO DESCRIPTION OR NON-INFRINGEMENT
23 * WITH REGARD TO THE WORK.
24 * 1.2 IN NO EVENT WILL ANY AUTHOR OR DEVELOPER OF THE WORK BE LIABLE TO
25 * ANY OTHER PARTY FOR ANY DAMAGES, INCLUDING BUT NOT LIMITED TO THE
26 * COST OF PROCURING SUBSTITUTE GOODS OR SERVICES, LOST PROFITS, LOSS
27 * OF USE, LOSS OF DATA, OR ANY INCIDENTAL, CONSEQUENTIAL, DIRECT,
28 * INDIRECT, OR SPECIAL DAMAGES WHETHER UNDER CONTRACT, TORT, WARRANTY,
29 * OR OTHERWISE, ARISING IN ANY WAY OUT OF THIS OR ANY OTHER AGREEMENT
30 * RELATING TO THE WORK, WHETHER OR NOT SUCH AUTHOR OR DEVELOPER HAD
31 * ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.
32 *
33 * Contributors
34 * - Christopher Chan-Nui
35 */
36
37#ifndef BUCKETSIM_H_INCLUDED
38#define BUCKETSIM_H_INCLUDED
39
40#include "EGenTables_stdafx.h"
41#include "CustomerSelection.h"
42
43#include "progressmeter.h"
44
45namespace TPCE {
46
47class CRandom;
48
49class BucketProgress : public ProgressMeter {
50private:
51 double acceptable_stddev_;
52 double max_stddev_;
53
54public:
55 BucketProgress(double acceptable_stddev, int total, int verbosity = 0, std::ostream *output = &std::cout);
56 virtual void display_message(std::ostream &out) const;
57 bool report(double stddev);
58 double max_stddev();
59};
60
61// Class to simulate running N completed orders and calculate some metrics
62// (Standard deviation) to verify that an actual run is "typical".
63// Instantiate the class and then call simulate() to perform the actual
64// simulation.
65class BucketSimulator {
66private:
67 CRandom m_rnd;
68 INT64 *m_buckets;
69 TIdent m_custcount;
70 int m_iterstart;
71 int m_itercount;
72 TPCE::RNGSEED m_baseseed;
73 TTrade m_simorders;
74 int m_maxbucket;
75 BucketProgress &m_progress;
76
77 static const UINT RND_STEP_PER_ORDER = 1; // Number of random number generator calls
78
79public:
80 // iStartFromCustomer - Customer number to start with
81 // iCustomerCount - Number of customers to simulate
82 // CRandom *rnd - Pointer to random generator to use
83 // UINT uiLoadUnit - Size of the TPCE "Load Unit"
84 BucketSimulator(int iterstart, int itercount, TIdent iCustomerCount, TTrade m_simorders, TPCE::RNGSEED base_seed,
85 BucketProgress &prog);
86 ~BucketSimulator();
87
88 double calc_stddev();
89
90 // iterations - Number of "orders" to simulate
91 // Returns the Standard deviation of the load unit buckets after the
92 // simulation
93 double simulate_onerun(INT64 iterations);
94 double simulate();
95
96 void run(void *thread);
97};
98} // namespace TPCE
99
100#endif // BUCKETSIM_H_INCLUDED
101