/* * Legal Notice * * This document and associated source code (the "Work") is a part of a * benchmark specification maintained by the TPC. * * The TPC reserves all right, title, and interest to the Work as provided * under U.S. and international laws, including without limitation all patent * and trademark rights therein. * * No Warranty * * 1.1 TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE INFORMATION * CONTAINED HEREIN IS PROVIDED "AS IS" AND WITH ALL FAULTS, AND THE * AUTHORS AND DEVELOPERS OF THE WORK HEREBY DISCLAIM ALL OTHER * WARRANTIES AND CONDITIONS, EITHER EXPRESS, IMPLIED OR STATUTORY, * INCLUDING, BUT NOT LIMITED TO, ANY (IF ANY) IMPLIED WARRANTIES, * DUTIES OR CONDITIONS OF MERCHANTABILITY, OF FITNESS FOR A PARTICULAR * PURPOSE, OF ACCURACY OR COMPLETENESS OF RESPONSES, OF RESULTS, OF * WORKMANLIKE EFFORT, OF LACK OF VIRUSES, AND OF LACK OF NEGLIGENCE. * ALSO, THERE IS NO WARRANTY OR CONDITION OF TITLE, QUIET ENJOYMENT, * QUIET POSSESSION, CORRESPONDENCE TO DESCRIPTION OR NON-INFRINGEMENT * WITH REGARD TO THE WORK. * 1.2 IN NO EVENT WILL ANY AUTHOR OR DEVELOPER OF THE WORK BE LIABLE TO * ANY OTHER PARTY FOR ANY DAMAGES, INCLUDING BUT NOT LIMITED TO THE * COST OF PROCURING SUBSTITUTE GOODS OR SERVICES, LOST PROFITS, LOSS * OF USE, LOSS OF DATA, OR ANY INCIDENTAL, CONSEQUENTIAL, DIRECT, * INDIRECT, OR SPECIAL DAMAGES WHETHER UNDER CONTRACT, TORT, WARRANTY, * OR OTHERWISE, ARISING IN ANY WAY OUT OF THIS OR ANY OTHER AGREEMENT * RELATING TO THE WORK, WHETHER OR NOT SUCH AUTHOR OR DEVELOPER HAD * ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. * * Contributors * - Christopher Chan-Nui */ #ifndef BUCKETSIM_H_INCLUDED #define BUCKETSIM_H_INCLUDED #include "EGenTables_stdafx.h" #include "CustomerSelection.h" #include "progressmeter.h" namespace TPCE { class CRandom; class BucketProgress : public ProgressMeter { private: double acceptable_stddev_; double max_stddev_; public: BucketProgress(double acceptable_stddev, int total, int verbosity = 0, std::ostream *output = &std::cout); virtual void display_message(std::ostream &out) const; bool report(double stddev); double max_stddev(); }; // Class to simulate running N completed orders and calculate some metrics // (Standard deviation) to verify that an actual run is "typical". // Instantiate the class and then call simulate() to perform the actual // simulation. class BucketSimulator { private: CRandom m_rnd; INT64 *m_buckets; TIdent m_custcount; int m_iterstart; int m_itercount; TPCE::RNGSEED m_baseseed; TTrade m_simorders; int m_maxbucket; BucketProgress &m_progress; static const UINT RND_STEP_PER_ORDER = 1; // Number of random number generator calls public: // iStartFromCustomer - Customer number to start with // iCustomerCount - Number of customers to simulate // CRandom *rnd - Pointer to random generator to use // UINT uiLoadUnit - Size of the TPCE "Load Unit" BucketSimulator(int iterstart, int itercount, TIdent iCustomerCount, TTrade m_simorders, TPCE::RNGSEED base_seed, BucketProgress &prog); ~BucketSimulator(); double calc_stddev(); // iterations - Number of "orders" to simulate // Returns the Standard deviation of the load unit buckets after the // simulation double simulate_onerun(INT64 iterations); double simulate(); void run(void *thread); }; } // namespace TPCE #endif // BUCKETSIM_H_INCLUDED