| # include "ggml-backend-impl.h" |
|
|
| #if defined(__powerpc64__) || defined(__ppc64__) || defined(__PPC64__) |
|
|
| #if defined(__linux__) |
| #include <sys/auxv.h> |
| #endif |
|
|
| #include <string> |
|
|
| struct powerpc_features { |
| std::string platform = ""; |
| int power_version = -1; |
|
|
| bool has_vsx = false; |
|
|
| powerpc_features() { |
| #if defined(__linux__) |
| unsigned long auxval = getauxval(AT_PLATFORM); |
| if (auxval) { |
| platform = std::string(reinterpret_cast<const char*>(auxval)); |
| |
| if (platform.substr(0, 5) == "power") { |
| |
| int vpos = -1; |
| for (int i = platform.length() - 1; i >= 0; i--) { |
| if (std::isdigit(platform[i])) { |
| vpos = i; |
| } else { |
| break; |
| } |
| } |
| if (vpos > -1) { |
| power_version = std::stoi(platform.substr(vpos)); |
| } |
| } |
| } |
| #endif |
| if (power_version >= 9) { |
| has_vsx = true; |
| } |
| } |
| }; |
|
|
| static int ggml_backend_cpu_powerpc_score() { |
| int score = 1; |
| powerpc_features pf; |
|
|
| |
| #if defined(GGML_USE_POWER7) |
| if (pf.power_version < 7) { return 0; } |
| score += 1<<1; |
| #endif |
| #if defined(GGML_USE_POWER8) |
| if (pf.power_version < 8) { return 0; } |
| score += 1<<2; |
| #endif |
| #if defined(GGML_USE_POWER9) |
| if (pf.power_version < 9) { return 0; } |
| score += 1<<3; |
| #endif |
| #if defined(GGML_USE_POWER10) |
| if (pf.power_version < 10) { return 0; } |
| score += 1<<4; |
| #endif |
| #if defined(GGML_USE_POWER11) |
| if (pf.power_version < 11) { return 0; } |
| score += 1<<5; |
| #endif |
|
|
| |
| #if defined(GGML_USE_VSX) |
| if (!pf.has_vsx) { return 0; } |
| score += 1<<6; |
| #endif |
|
|
| return score; |
| } |
|
|
| GGML_BACKEND_DL_SCORE_IMPL(ggml_backend_cpu_powerpc_score) |
|
|
| #endif |
|
|
