132 lines
2.7 KiB
C
132 lines
2.7 KiB
C
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#include "common.h"
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extern gotoblas_t gotoblas_Z13;
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extern gotoblas_t gotoblas_Z14;
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//extern gotoblas_t gotoblas_Z15;
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//#if (!defined C_GCC) || (GCC_VERSION >= 60000)
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//extern gotoblas_t gotoblas_Z14;
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//#endif
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#define NUM_CORETYPES 4
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extern void openblas_warning(int verbose, const char* msg);
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static char* corename[] = {
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"unknown",
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"Z13",
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"Z14",
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// "Z15",
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"ZARCH_GENERIC",
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};
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char* gotoblas_corename(void) {
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if (gotoblas == &gotoblas_Z13) return corename[1];
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if (gotoblas == &gotoblas_Z14) return corename[2];
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// if (gotoblas == &gotoblas_Z15) return corename[3];
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//#if (!defined C_GCC) || (GCC_VERSION >= 60000)
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// if (gotoblas == &gotoblas_POWER9) return corename[3];
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//#endif
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return corename[0]; // try generic?
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}
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// __builtin_cpu_is is not supported by zarch
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static gotoblas_t* get_coretype(void) {
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FILE* infile;
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char buffer[512], * p;
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p = (char*)NULL;
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infile = fopen("/proc/sysinfo", "r");
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while (fgets(buffer, sizeof(buffer), infile)) {
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if (!strncmp("Type", buffer, 4)) {
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p = strchr(buffer, ':') + 2;
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#if 0
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fprintf(stderr, "%s\n", p);
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#endif
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break;
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}
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}
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fclose(infile);
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if (strstr(p, "2964")) return &gotoblas_Z13;
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if (strstr(p, "2965")) return &gotoblas_Z13;
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if (strstr(p, "3906")) return &gotoblas_Z14;
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if (strstr(p, "3907")) return &gotoblas_Z14;
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if (strstr(p, "8561")) return &gotoblas_Z14; // fallback z15 to z14
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if (strstr(p, "8562")) return &gotoblas_Z14; // fallback z15 to z14
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return NULL; // should be ZARCH_GENERIC
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}
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static gotoblas_t* force_coretype(char* coretype) {
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int i;
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int found = -1;
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char message[128];
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for (i = 0; i < NUM_CORETYPES; i++)
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{
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if (!strncasecmp(coretype, corename[i], 20))
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{
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found = i;
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break;
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}
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}
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switch (found)
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{
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case 1: return (&gotoblas_Z13);
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case 2: return (&gotoblas_Z14);
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// case 3: return (&gotoblas_Z15);
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//#if (!defined C_GCC) || (GCC_VERSION >= 60000)
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// case 3: return (&gotoblas_POWER9);
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//#endif
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default: return NULL;
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}
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snprintf(message, 128, "Core not found: %s\n", coretype);
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openblas_warning(1, message);
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}
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void gotoblas_dynamic_init(void) {
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char coremsg[128];
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char coren[22];
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char* p;
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if (gotoblas) return;
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p = getenv("OPENBLAS_CORETYPE");
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if (p)
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{
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gotoblas = force_coretype(p);
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}
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else
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{
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gotoblas = get_coretype();
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}
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if (gotoblas == NULL)
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{
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snprintf(coremsg, 128, "Falling back to Z14 core\n");
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openblas_warning(1, coremsg);
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gotoblas = &gotoblas_Z14;
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}
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if (gotoblas && gotoblas->init) {
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strncpy(coren, gotoblas_corename(), 20);
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sprintf(coremsg, "Core: %s\n", coren);
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openblas_warning(2, coremsg);
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gotoblas->init();
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}
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else {
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openblas_warning(0, "OpenBLAS : Architecture Initialization failed. No initialization function found.\n");
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exit(1);
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}
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}
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void gotoblas_dynamic_quit(void) {
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gotoblas = NULL;
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}
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