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Moved bandwidth calculation to GenericController.

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This commit is contained in:
Lukas Steiner
2019-08-10 01:01:52 +02:00
parent dc194781f7
commit 05a8272ee6
3 changed files with 46 additions and 43 deletions
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36
DRAMSys/library/src/controller/ControllerNew.cpp
View File

@@ -86,42 +86,6 @@ ControllerNew::~ControllerNew()
{
endBandwithIdleCollector();
sc_time activeTime = numberOfTransactionsServed
* Configuration::getInstance().memSpec->BurstLength
/ Configuration::getInstance().memSpec->DataRate
* Configuration::getInstance().memSpec->clk;
double bandwidth = (activeTime / sc_time_stamp() * 100);
double bandwidth_IDLE = ((activeTime) / (sc_time_stamp() - idleTime) * 100);
double maxBandwidth = (
// clk in Mhz e.g. 800 [MHz]:
(1000000 / Configuration::getInstance().memSpec->clk.to_double())
// DataRate e.g. 2
* Configuration::getInstance().memSpec->DataRate
// BusWidth e.g. 8 or 64
* Configuration::getInstance().memSpec->bitWidth
// Number of devices on a DIMM e.g. 8
* Configuration::getInstance().NumberOfDevicesOnDIMM ) / ( 1024 );
std::cout << name() << string(" Total Time: ")
<< sc_time_stamp().to_string()
<< std::endl;
std::cout << name() << string(" AVG BW: ")
<< std::fixed << std::setprecision(2)
<< ((bandwidth / 100) * maxBandwidth)
<< " Gibit/s (" << bandwidth << " %)"
<< std::endl;
std::cout << name() << string(" AVG BW\\IDLE: ")
<< std::fixed << std::setprecision(2)
<< ((bandwidth_IDLE / 100) * maxBandwidth)
<< " Gibit/s (" << bandwidth_IDLE << " %)"
<< endl;
std::cout << name() << string(" MAX BW: ")
<< std::fixed << std::setprecision(2)
<< maxBandwidth << " Gibit/s"
<< std::endl;
delete checker;
for (auto it : bankMachines)
delete it.second;

5
DRAMSys/library/src/controller/ControllerNew.h
View File

@@ -95,14 +95,11 @@ private:
std::map<Bank, sc_time> commandFinishedTime;
// Bandwidth related:
// Bandwidth related
sc_time idleStart;
sc_time idleTime = SC_ZERO_TIME;
bool isIdle = false;
void startBandwidthIdleCollector();
void endBandwithIdleCollector();
uint64_t numberOfTransactionsServed = 0;
};
#endif // CONTROLLERNEW_H

48
DRAMSys/library/src/controller/GenericController.h
View File

@@ -5,6 +5,7 @@
#include <tlm.h>
#include <tlm_utils/simple_initiator_socket.h>
#include <tlm_utils/simple_target_socket.h>
#include "core/configuration/Configuration.h"
using namespace tlm;
@@ -14,9 +15,10 @@ class GenericController : public sc_module
{
public:
// Already create and bind sockets to the virtual functions
tlm_utils::simple_target_socket<GenericController> tSocket; // DRAMSys side
tlm_utils::simple_target_socket<GenericController> tSocket; // Arbiter side
tlm_utils::simple_initiator_socket<GenericController> iSocket; // DRAM side
protected:
// Bind sockets with virtual functions
GenericController(sc_module_name name) :
sc_module(name), tSocket("tSocket"), iSocket("iSocket")
@@ -28,13 +30,53 @@ public:
SC_HAS_PROCESS(GenericController);
// Destructor
virtual ~GenericController() {}
virtual ~GenericController()
{
sc_time activeTime = numberOfTransactionsServed
* Configuration::getInstance().memSpec->BurstLength
/ Configuration::getInstance().memSpec->DataRate
* Configuration::getInstance().memSpec->clk;
double bandwidth = (activeTime / sc_time_stamp() * 100);
double bandwidth_IDLE = ((activeTime) / (sc_time_stamp() - idleTime) * 100);
double maxBandwidth = (
// clk in Mhz e.g. 800 [MHz]:
(1000000 / Configuration::getInstance().memSpec->clk.to_double())
// DataRate e.g. 2
* Configuration::getInstance().memSpec->DataRate
// BusWidth e.g. 8 or 64
* Configuration::getInstance().memSpec->bitWidth
// Number of devices on a DIMM e.g. 8
* Configuration::getInstance().NumberOfDevicesOnDIMM ) / ( 1024 );
std::cout << name() << std::string(" Total Time: ")
<< sc_time_stamp().to_string()
<< std::endl;
std::cout << name() << std::string(" AVG BW: ")
<< std::fixed << std::setprecision(2)
<< ((bandwidth / 100) * maxBandwidth)
<< " Gibit/s (" << bandwidth << " %)"
<< std::endl;
std::cout << name() << std::string(" AVG BW\\IDLE: ")
<< std::fixed << std::setprecision(2)
<< ((bandwidth_IDLE / 100) * maxBandwidth)
<< " Gibit/s (" << bandwidth_IDLE << " %)"
<< endl;
std::cout << name() << std::string(" MAX BW: ")
<< std::fixed << std::setprecision(2)
<< maxBandwidth << " Gibit/s"
<< std::endl;
}
protected:
// Virtual transport functions
virtual tlm_sync_enum nb_transport_fw(tlm_generic_payload &, tlm_phase &, sc_time &) = 0;
virtual unsigned int transport_dbg(tlm_generic_payload &) = 0;
virtual tlm_sync_enum nb_transport_bw(tlm_generic_payload &, tlm_phase &, sc_time &) = 0;
// Bandwidth related
sc_time idleTime = SC_ZERO_TIME;
uint64_t numberOfTransactionsServed = 0;
};