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[v0.98][Refactoring] Unify the use of get_str_peak_performance

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Dr-Noob
2021-08-06 10:26:07 +02:00
parent 7e1dde3c71
commit 6953d8dda5
9 changed files with 73 additions and 83 deletions
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25
src/ppc/ppc.c
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@@ -170,43 +170,30 @@ char* get_str_altivec(struct cpuInfo* cpu) {
return string;
}
char* get_str_peak_performance(struct cpuInfo* cpu, struct topology* topo, int64_t freq) {
bool get_peak_performance(struct cpuInfo* cpu, struct topology* topo, int64_t freq, double* flops) {
/*
* Not sure about this
* PP(SP) = N_CORES * FREQUENCY * 4(If altivec)
*/
//7 for GFLOP/s and 6 for digits,eg 412.14
uint32_t size = 7+6+1+1;
assert(strlen(STRING_UNKNOWN)+1 <= size);
char* string = emalloc(sizeof(char)*size);
//First check we have consistent data
if(freq == UNKNOWN_FREQ) {
snprintf(string,strlen(STRING_UNKNOWN)+1,STRING_UNKNOWN);
return string;
return false;
}
struct features* feat = cpu->feat;
double flops = topo->physical_cores * topo->sockets * (freq*1000000);
if(feat->altivec) flops = flops*4;
*flops = topo->physical_cores * topo->sockets * (freq*1000000);
if(feat->altivec) *flops = *flops * 4;
// POWER9 has the concept called "slices". Each SMT4 core has two super-slices,
// and each super-slice is capable of doing two FLOPS per cycle. In the case of
// SMT8, it has 4 super-slices, thus four FLOPS per cycle.
if(is_power9(cpu->arch)) {
int threads_per_core = topo->logical_cores / topo->physical_cores;
flops = flops * (threads_per_core / 2);
*flops = *flops * (threads_per_core / 2);
}
if(flops >= (double)1000000000000.0)
snprintf(string,size,"%.2f TFLOP/s",flops/1000000000000);
else if(flops >= 1000000000.0)
snprintf(string,size,"%.2f GFLOP/s",flops/1000000000);
else
snprintf(string,size,"%.2f MFLOP/s",flops/1000000);
return string;
return true;
}
char* get_str_topology(struct topology* topo, bool dual_socket) {

2
src/ppc/ppc.h
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@@ -6,7 +6,7 @@
struct cpuInfo* get_cpu_info();
char* get_str_altivec(struct cpuInfo* cpu);
char* get_str_topology(struct topology* topo, bool dual_socket);
char* get_str_peak_performance(struct cpuInfo* cpu, struct topology* topo, int64_t freq);
bool get_peak_performance(struct cpuInfo* cpu, struct topology* topo, int64_t freq, double* flops);
void print_debug(struct cpuInfo* cpu);
#endif