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benchmark

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Folkert van Heusden 2025-04-01 07:35:32 +02:00
parent 81473da7fe
commit 2178bb4aca
Signed by untrusted user who does not match committer: folkert
GPG key ID: 6B6455EDFEED3BD1
1 changed files with 25 additions and 1 deletions
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26
main.cpp
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@ -371,10 +371,12 @@ int main(int argc, char *argv[])
std::string deserialize; std::string deserialize;
bool benchmark = false;
std::optional<std::string> dc11_device; std::optional<std::string> dc11_device;
int opt = -1; int opt = -1;
while((opt = getopt(argc, argv, "hD:MT:Br:R:p:ndtL:bl:s:Q:N:J:XS:P1:")) != -1) while((opt = getopt(argc, argv, "hqD:MT:Br:R:p:ndtL:bl:s:Q:N:J:XS:P1:")) != -1)
{ {
switch(opt) { switch(opt) {
case 'h': case 'h':
@ -405,6 +407,10 @@ int main(int argc, char *argv[])
test = optarg; test = optarg;
break; break;
case 'q':
benchmark = true;
break;
case 's': { case 's': {
char *c = strchr(optarg, ','); char *c = strchr(optarg, ',');
if (!c) if (!c)
@ -669,6 +675,24 @@ int main(int argc, char *argv[])
run_bic(cnsl, b, &event, bic_start.value()); run_bic(cnsl, b, &event, bic_start.value());
else if (run_debugger || (bootloader == BL_NONE && test.empty() && tape.empty())) else if (run_debugger || (bootloader == BL_NONE && test.empty() && tape.empty()))
debugger(cnsl, b, &event); debugger(cnsl, b, &event);
else if (benchmark) {
// FILL MEMORY
memory *m = b->getRAM();
for(uint32_t i=0; i<m->get_memory_size(); i++)
m->write_byte(i, i);
// SET MMU TO ENABLED
b->getMMU()->setMMR0_as_is(1); // enable MMU
// run for a second
b->getCpu()->emulation_start(); // for statistics
uint64_t start = get_us();
do {
b->getCpu()->step();
}
while(get_us() - start <= 2500000);
auto stats = b->getCpu()->get_mips_rel_speed({ }, { });
cnsl->put_string_lf(format("MIPS: %.2f, relative speed: %.2f%%, instructions executed: %" PRIu64 " in %.2f seconds", std::get<0>(stats), std::get<1>(stats), std::get<2>(stats), std::get<3>(stats) / 1000000.));
}
else { else {
b->getCpu()->emulation_start(); // for statistics b->getCpu()->emulation_start(); // for statistics