Hello,
I am a graduate student working on my research. I am new to M5 Simulator.
Please if anyone has any idea help me to understand the following part.
I would like to know what does this file does src/cpu/o3/alpha/cpu_builder.c
#include <string>
#include "config/use_checker.hh"
#include "cpu/base.hh"
#include "cpu/o3/alpha/cpu.hh"
#include "cpu/o3/alpha/impl.hh"
#include "cpu/o3/fu_pool.hh"
#include "params/DerivO3CPU.hh"
class DerivO3CPU : public AlphaO3CPU<AlphaSimpleImpl>
{
public:
DerivO3CPU(DerivO3CPUParams *p)
: AlphaO3CPU<AlphaSimpleImpl>(p)
{ }
};
DerivO3CPU *
DerivO3CPUParams::create()
{
#if FULL_SYSTEM
// Full-system only supports a single thread for the moment.
int actual_num_threads = 1;
#else
// In non-full-system mode, we infer the number of threads from
// the workload if it's not explicitly specified.
int actual_num_threads =
(numThreads >= workload.size()) ? numThreads : workload.size();
if (workload.size() == 0) {
fatal("Must specify at least one workload!");
}
#endif
numThreads = actual_num_threads;
// Default smtFetchPolicy to "RoundRobin", if necessary.
std::string round_robin_policy = "RoundRobin";
std::string single_thread = "SingleThread";
if (actual_num_threads > 1 && single_thread.compare(smtFetchPolicy) ==
0)
smtFetchPolicy = round_robin_policy;
else
smtFetchPolicy = smtFetchPolicy;
instShiftAmt = 2;
return new DerivO3CPU(this);
}
Does this creates an O3CPU. I added a print statement in this subroutine and
this never got printed.
Thanks & Regards,
-Shiva
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