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minor update

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This commit is contained in:
Blaise Tine 2020-09-04 07:14:30 -04:00
parent 112d8ab815
commit ce29f57d0c
1 changed files with 24 additions and 23 deletions
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47
driver/rtlsim/vortex.cpp
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@ -68,29 +68,7 @@ public:
simulator_.attach_ram(&ram_);
}
~vx_device() {
#ifdef DUMP_PERF_STATS
unsigned num_cores;
this->get_csr(0, CSR_NC, &num_cores);
if (num_cores > 1) {
uint64_t total_instrs = 0, total_cycles = 0;
for (unsigned core_id = 0; core_id < num_cores; ++core_id) {
uint64_t instrs, cycles;
vx_get_perf(this, core_id, &instrs, &cycles);
float IPC = (float)(double(instrs) / double(cycles));
fprintf(stdout, "PERF: core%d: instrs=%ld, cycles=%ld, IPC=%f\n", core_id, instrs, cycles, IPC);
total_instrs += instrs;
total_cycles = std::max<uint64_t>(total_cycles, cycles);
}
float IPC = (float)(double(total_instrs) / double(total_cycles));
fprintf(stdout, "PERF: instrs=%ld, cycles=%ld, IPC=%f\n", total_instrs, total_cycles, IPC);
} else {
uint64_t instrs, cycles;
vx_get_perf(this, 0, &instrs, &cycles);
float IPC = (float)(double(instrs) / double(cycles));
fprintf(stdout, "PERF: instrs=%ld, cycles=%ld, IPC=%f\n", instrs, cycles, IPC);
}
#endif
~vx_device() {
if (future_.valid()) {
future_.wait();
}
@ -257,6 +235,29 @@ extern int vx_dev_close(vx_device_h hdevice) {
return -1;
vx_device *device = ((vx_device*)hdevice);
#ifdef DUMP_PERF_STATS
unsigned num_cores;
vx_csr_get(hdevice, 0, CSR_NC, &num_cores);
if (num_cores > 1) {
uint64_t total_instrs = 0, total_cycles = 0;
for (unsigned core_id = 0; core_id < num_cores; ++core_id) {
uint64_t instrs, cycles;
vx_get_perf(hdevice, core_id, &instrs, &cycles);
float IPC = (float)(double(instrs) / double(cycles));
fprintf(stdout, "PERF: core%d: instrs=%ld, cycles=%ld, IPC=%f\n", core_id, instrs, cycles, IPC);
total_instrs += instrs;
total_cycles = std::max<uint64_t>(total_cycles, cycles);
}
float IPC = (float)(double(total_instrs) / double(total_cycles));
fprintf(stdout, "PERF: instrs=%ld, cycles=%ld, IPC=%f\n", total_instrs, total_cycles, IPC);
} else {
uint64_t instrs, cycles;
vx_get_perf(hdevice, 0, &instrs, &cycles);
float IPC = (float)(double(instrs) / double(cycles));
fprintf(stdout, "PERF: instrs=%ld, cycles=%ld, IPC=%f\n", instrs, cycles, IPC);
}
#endif
delete device;