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ggml : add support for dynamic loading of backends (#10469)

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* ggml : add support for dynamic loading of backends

---------

Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>
This commit is contained in:
Diego Devesa 2024-11-25 15:13:39 +01:00 • committed by GitHub
parent f6d12e7df8
commit 5931c1f233
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GPG key ID: B5690EEEBB952194
44 changed files with 728 additions and 272 deletions
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71
ggml/src/ggml-cuda/ggml-cuda.cu
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@ -3126,6 +3126,61 @@ static ggml_backend_dev_t ggml_backend_cuda_reg_get_device(ggml_backend_reg_t re
return ctx->devices[index];
}
static ggml_backend_feature * ggml_backend_cuda_get_features(ggml_backend_reg_t reg) {
static std::vector<ggml_backend_feature> features = []() {
std::vector<ggml_backend_feature> features;
#define _STRINGIFY(...) #__VA_ARGS__
#define STRINGIFY(...) _STRINGIFY(__VA_ARGS__)
#ifdef __CUDA_ARCH_LIST__
features.push_back({ "ARCHS", STRINGIFY(__CUDA_ARCH_LIST__) });
#endif
#ifdef GGML_CUDA_FORCE_MMQ
features.push_back({ "FORCE_MMQ", "1" });
#endif
#ifdef GGML_CUDA_FORCE_CUBLAS
features.push_back({ "FORCE_CUBLAS", "1" });
#endif
#ifdef GGML_CUDA_NO_VMM
features.push_back({ "NO_VMM", "1" });
#endif
#ifdef GGML_CUDA_NO_PEER_COPY
features.push_back({ "NO_PEER_COPY", "1" });
#endif
#ifdef GGML_CUDA_F16
features.push_back({ "F16", "1" });
#endif
#ifdef GGML_CUDA_USE_GRAPHS
features.push_back({ "USE_GRAPHS", "1" });
#endif
#ifdef GGML_CUDA_PEER_MAX_BATCH_SIZE
features.push_back({ "PEER_MAX_BATCH_SIZE", STRINGIFY(GGML_CUDA_PEER_MAX_BATCH_SIZE) });
#endif
#ifdef GGML_CUDA_FA_ALL_QUANTS
features.push_back({ "FA_ALL_QUANTS", "1" });
#endif
#undef _STRINGIFY
#undef STRINGIFY
features.push_back({ nullptr, nullptr });
return features;
}();
return features.data();
GGML_UNUSED(reg);
}
static void * ggml_backend_cuda_reg_get_proc_address(ggml_backend_reg_t reg, const char * name) {
GGML_UNUSED(reg);
if (strcmp(name, "ggml_backend_split_buffer_type") == 0) {
@ -3137,6 +3192,9 @@ static void * ggml_backend_cuda_reg_get_proc_address(ggml_backend_reg_t reg, con
if (strcmp(name, "ggml_backend_unregister_host_buffer") == 0) {
return (void *)ggml_backend_cuda_unregister_host_buffer;
}
if (strcmp(name, "ggml_backend_get_features") == 0) {
return (void *)ggml_backend_cuda_get_features;
}
return nullptr;
}
@ -3169,16 +3227,17 @@ ggml_backend_reg_t ggml_backend_cuda_reg() {
dev_ctx->description = prop.name;
ggml_backend_dev_t dev = new ggml_backend_device {
/* .interface = */ ggml_backend_cuda_device_interface,
/* .reg = */ &reg,
/* .context = */ dev_ctx
/* .iface = */ ggml_backend_cuda_device_interface,
/* .reg = */ &reg,
/* .context = */ dev_ctx
};
ctx->devices.push_back(dev);
}
reg = ggml_backend_reg {
/* .interface = */ ggml_backend_cuda_reg_interface,
/* .context = */ ctx
/* .api_version = */ GGML_BACKEND_API_VERSION,
/* .iface = */ ggml_backend_cuda_reg_interface,
/* .context = */ ctx
};
}
@ -3209,3 +3268,5 @@ ggml_backend_t ggml_backend_cuda_init(int device) {
return cuda_backend;
}
GGML_BACKEND_DL_IMPL(ggml_backend_cuda_reg)