diff --git a/ggml/src/CMakeLists.txt b/ggml/src/CMakeLists.txt index 0c453741..9cb2c228 100644 --- a/ggml/src/CMakeLists.txt +++ b/ggml/src/CMakeLists.txt @@ -286,6 +286,10 @@ function(ggml_add_cpu_backend_variant tag_name) foreach (feat ${ARGN}) set(GGML_INTERNAL_${feat} ON) endforeach() + elseif (GGML_SYSTEM_ARCH STREQUAL "PowerPC") + foreach (feat ${ARGN}) + set(GGML_INTERNAL_${feat} ON) + endforeach() endif() ggml_add_cpu_backend_variant_impl(${tag_name}) @@ -337,6 +341,19 @@ if (GGML_CPU_ALL_VARIANTS) else() message(FATAL_ERROR "Unsupported ARM target OS: ${CMAKE_SYSTEM_NAME}") endif() + elseif (GGML_SYSTEM_ARCH STREQUAL "PowerPC") + if (CMAKE_SYSTEM_NAME MATCHES "Linux") + ggml_add_cpu_backend_variant(power0) + ggml_add_cpu_backend_variant(power7_1 POWER7) + ggml_add_cpu_backend_variant(power7_2 POWER7 VSX) + ggml_add_cpu_backend_variant(power8_1 POWER8) + ggml_add_cpu_backend_variant(power8_2 POWER8 VSX) + ggml_add_cpu_backend_variant(power9 POWER9 VSX) + ggml_add_cpu_backend_variant(power10 POWER10 VSX) + ggml_add_cpu_backend_variant(power11 POWER11 VSX) + else() + message(FATAL_ERROR "Unsupported PowerPC target OS: ${CMAKE_SYSTEM_NAME}") + endif() else() message(FATAL_ERROR "GGML_CPU_ALL_VARIANTS not yet supported with ${GGML_SYSTEM_ARCH} on ${CMAKE_SYSTEM_NAME}") endif() diff --git a/ggml/src/ggml-cpu/CMakeLists.txt b/ggml/src/ggml-cpu/CMakeLists.txt index 52cae778..71b1d67b 100644 --- a/ggml/src/ggml-cpu/CMakeLists.txt +++ b/ggml/src/ggml-cpu/CMakeLists.txt @@ -388,6 +388,27 @@ function(ggml_add_cpu_backend_variant_impl tag_name) else() list(APPEND ARCH_FLAGS -mcpu=native -mtune=native -mpowerpc64) endif() + elseif(GGML_CPU_ALL_VARIANTS) + # Begin with the lowest baseline + set(ARCH_DEFINITIONS "") + + # When a feature is selected, bump the MCPU to the first + # version that supported it + foreach(PVER RANGE 7 11) + if(DEFINED GGML_INTERNAL_POWER${PVER}) + set(POWERPC_MCPU "power${PVER}") + list(APPEND ARCH_DEFINITIONS GGML_USE_POWER${PVER}) + endif() + endforeach() + if (GGML_INTERNAL_VSX) + list(APPEND ARCH_DEFINITIONS GGML_USE_VSX) + list(APPEND ARCH_FLAGS -mvsx) + endif() + + if (DEFINED POWERPC_MCPU) + list(APPEND ARCH_FLAGS -mcpu=${POWERPC_MCPU}) + endif() + ggml_add_cpu_backend_features(${GGML_CPU_NAME} powerpc ${ARCH_DEFINITIONS}) else() if (GGML_CPU_POWERPC_CPUTYPE) list(APPEND ARCH_FLAGS -mcpu=${GGML_CPU_POWERPC_CPUTYPE}) diff --git a/ggml/src/ggml-cpu/arch/powerpc/cpu-feats.cpp b/ggml/src/ggml-cpu/arch/powerpc/cpu-feats.cpp new file mode 100644 index 00000000..fedd6430 --- /dev/null +++ b/ggml/src/ggml-cpu/arch/powerpc/cpu-feats.cpp @@ -0,0 +1,82 @@ +# include "ggml-backend-impl.h" + +#if defined(__powerpc64__) || defined(__ppc64__) || defined(__PPC64__) + +#if defined(__linux__) +#include +#endif + +#include + +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(auxval)); + // TBD: Do systems exist that return this in uppercase? + if (platform.substr(0, 5) == "power") { + // Extractt a numeric suffix, if one exists + 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; + +// Platform scores +#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 + +// Feature scores +#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 // defined(__powerpc64__) || defined(__ppc64__) || defined(__PPC64__) diff --git a/ggml/src/ggml-cpu/repack.cpp b/ggml/src/ggml-cpu/repack.cpp index 29071929..692c53e0 100644 --- a/ggml/src/ggml-cpu/repack.cpp +++ b/ggml/src/ggml-cpu/repack.cpp @@ -1411,44 +1411,45 @@ template q4_0_4x4_q8_0; -static const tensor_traits q4_0_4x8_q8_0; -static const tensor_traits q4_0_8x8_q8_0; -static const tensor_traits q4_K_8x8_q8_K; - -// instance for IQ4 -static const tensor_traits iq4_nl_4x4_q8_0; - } // namespace ggml::cpu::repack static const ggml::cpu::tensor_traits * ggml_repack_get_optimal_repack_type(const struct ggml_tensor * cur) { + + // instance for Q4 + static const ggml::cpu::repack::tensor_traits q4_0_4x4_q8_0; + static const ggml::cpu::repack::tensor_traits q4_0_4x8_q8_0; + static const ggml::cpu::repack::tensor_traits q4_0_8x8_q8_0; + static const ggml::cpu::repack::tensor_traits q4_K_8x8_q8_K; + + // instance for IQ4 + static const ggml::cpu::repack::tensor_traits iq4_nl_4x4_q8_0; + if (cur->type == GGML_TYPE_Q4_0) { if (ggml_cpu_has_avx2() || (ggml_cpu_has_sve() && ggml_cpu_has_matmul_int8() && ggml_cpu_get_sve_cnt() == QK8_0)) { if (cur->ne[1] % 8 == 0) { - return &ggml::cpu::repack::q4_0_8x8_q8_0; + return &q4_0_8x8_q8_0; } } if (ggml_cpu_has_neon() && ggml_cpu_has_matmul_int8()) { if (cur->ne[1] % 4 == 0) { - return &ggml::cpu::repack::q4_0_4x8_q8_0; + return &q4_0_4x8_q8_0; } } if (ggml_cpu_has_neon() && ggml_cpu_has_dotprod()) { if (cur->ne[1] % 4 == 0) { - return &ggml::cpu::repack::q4_0_4x4_q8_0; + return &q4_0_4x4_q8_0; } } } else if (cur->type == GGML_TYPE_Q4_K) { if (ggml_cpu_has_avx2()) { if (cur->ne[1] % 8 == 0) { - return &ggml::cpu::repack::q4_K_8x8_q8_K; + return &q4_K_8x8_q8_K; } } } else if (cur->type == GGML_TYPE_IQ4_NL) { if (ggml_cpu_has_neon() && ggml_cpu_has_dotprod()) { if (cur->ne[1] % 4 == 0) { - return &ggml::cpu::repack::iq4_nl_4x4_q8_0; + return &iq4_nl_4x4_q8_0; } } }