llama : refactor model loader with backend registry (#10026)

This commit is contained in:
Diego Devesa 2024-10-30 02:01:23 +01:00 committed by GitHub
parent 8f275a7c45
commit c5b0f4b5d9
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GPG key ID: B5690EEEBB952194
18 changed files with 1903 additions and 2019 deletions

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@ -421,20 +421,15 @@ struct ggml_backend_cuda_buffer_context {
}
};
static const char * ggml_backend_cuda_buffer_get_name(ggml_backend_buffer_t buffer) {
ggml_backend_cuda_buffer_context * ctx = (ggml_backend_cuda_buffer_context *)buffer->context;
return ctx->name.c_str();
}
static bool ggml_backend_buffer_is_cuda(ggml_backend_buffer_t buffer) {
return buffer->iface.get_name == ggml_backend_cuda_buffer_get_name;
}
static void ggml_backend_cuda_buffer_free_buffer(ggml_backend_buffer_t buffer) {
ggml_backend_cuda_buffer_context * ctx = (ggml_backend_cuda_buffer_context *)buffer->context;
delete ctx;
}
static bool ggml_backend_buffer_is_cuda(ggml_backend_buffer_t buffer) {
return buffer->iface.free_buffer == ggml_backend_cuda_buffer_free_buffer;
}
static void * ggml_backend_cuda_buffer_get_base(ggml_backend_buffer_t buffer) {
ggml_backend_cuda_buffer_context * ctx = (ggml_backend_cuda_buffer_context *)buffer->context;
return ctx->dev_ptr;
@ -515,7 +510,6 @@ static void ggml_backend_cuda_buffer_clear(ggml_backend_buffer_t buffer, uint8_t
}
static const ggml_backend_buffer_i ggml_backend_cuda_buffer_interface = {
/* .get_name = */ ggml_backend_cuda_buffer_get_name,
/* .free_buffer = */ ggml_backend_cuda_buffer_free_buffer,
/* .get_base = */ ggml_backend_cuda_buffer_get_base,
/* .init_tensor = */ ggml_backend_cuda_buffer_init_tensor,
@ -548,8 +542,6 @@ static ggml_backend_buffer_t ggml_backend_cuda_buffer_type_alloc_buffer(ggml_bac
ggml_cuda_set_device(buft_ctx->device);
size = std::max(size, (size_t)1); // cudaMalloc returns null for size 0
void * dev_ptr;
cudaError_t err = ggml_cuda_device_malloc(&dev_ptr, size, buft_ctx->device);
if (err != cudaSuccess) {
@ -657,7 +649,9 @@ static size_t ggml_nbytes_split(const struct ggml_tensor * tensor, int nrows_spl
}
struct ggml_backend_cuda_split_buffer_type_context {
int main_device;
std::array<float, GGML_CUDA_MAX_DEVICES> tensor_split;
std::string name;
};
struct ggml_backend_cuda_split_buffer_context {
@ -680,16 +674,6 @@ struct ggml_backend_cuda_split_buffer_context {
std::vector<ggml_tensor_extra_gpu *> tensor_extras;
};
static const char * ggml_backend_cuda_split_buffer_get_name(ggml_backend_buffer_t buffer) {
return GGML_CUDA_NAME "_Split";
GGML_UNUSED(buffer);
}
static bool ggml_backend_buffer_is_cuda_split(ggml_backend_buffer_t buffer) {
return buffer->iface.get_name == ggml_backend_cuda_split_buffer_get_name;
GGML_UNUSED(ggml_backend_buffer_is_cuda_split); // only used in debug builds currently, avoid unused function warning in release builds
}
static void ggml_backend_cuda_split_buffer_free_buffer(ggml_backend_buffer_t buffer) {
ggml_backend_cuda_split_buffer_context * ctx = (ggml_backend_cuda_split_buffer_context *)buffer->context;
@ -833,7 +817,6 @@ static void ggml_backend_cuda_split_buffer_clear(ggml_backend_buffer_t buffer, u
}
static const ggml_backend_buffer_i ggml_backend_cuda_split_buffer_interface = {
/* .get_name = */ ggml_backend_cuda_split_buffer_get_name,
/* .free_buffer = */ ggml_backend_cuda_split_buffer_free_buffer,
/* .get_base = */ ggml_backend_cuda_split_buffer_get_base,
/* .init_tensor = */ ggml_backend_cuda_split_buffer_init_tensor,
@ -848,9 +831,9 @@ static const ggml_backend_buffer_i ggml_backend_cuda_split_buffer_interface = {
// cuda split buffer type
static const char * ggml_backend_cuda_split_buffer_type_get_name(ggml_backend_buffer_type_t buft) {
return GGML_CUDA_NAME "_Split";
ggml_backend_cuda_split_buffer_type_context * ctx = (ggml_backend_cuda_split_buffer_type_context *)buft->context;
GGML_UNUSED(buft);
return ctx->name.c_str();
}
static bool ggml_backend_buft_is_cuda_split(ggml_backend_buffer_type_t buft) {
@ -915,11 +898,11 @@ static const ggml_backend_buffer_type_i ggml_backend_cuda_split_buffer_type_inte
/* .is_host = */ ggml_backend_cuda_split_buffer_type_is_host,
};
ggml_backend_buffer_type_t ggml_backend_cuda_split_buffer_type(const float * tensor_split) {
ggml_backend_buffer_type_t ggml_backend_cuda_split_buffer_type(int main_device, const float * tensor_split) {
static std::mutex mutex;
std::lock_guard<std::mutex> lock(mutex);
static std::map<std::array<float, GGML_CUDA_MAX_DEVICES>, struct ggml_backend_buffer_type> buft_map;
static std::map<std::pair<int, std::array<float, GGML_CUDA_MAX_DEVICES>>, struct ggml_backend_buffer_type> buft_map;
std::array<float, GGML_CUDA_MAX_DEVICES> tensor_split_arr = {};
@ -937,18 +920,23 @@ ggml_backend_buffer_type_t ggml_backend_cuda_split_buffer_type(const float * ten
}
}
auto it = buft_map.find(tensor_split_arr);
auto it = buft_map.find({main_device, tensor_split_arr});
if (it != buft_map.end()) {
return &it->second;
}
auto * ctx = new ggml_backend_cuda_split_buffer_type_context{
main_device,
tensor_split_arr,
GGML_CUDA_NAME + std::to_string(main_device) + "_Split",
};
struct ggml_backend_buffer_type buft {
/* .iface = */ ggml_backend_cuda_split_buffer_type_interface,
/* .device = */ ggml_backend_reg_dev_get(ggml_backend_cuda_reg(), 0),
/* .context = */ new ggml_backend_cuda_split_buffer_type_context{tensor_split_arr},
/* .device = */ ggml_backend_reg_dev_get(ggml_backend_cuda_reg(), main_device),
/* .context = */ ctx,
};
auto result = buft_map.emplace(tensor_split_arr, buft);
auto result = buft_map.emplace(std::make_pair(main_device, tensor_split_arr), buft);
return &result.first->second;
}
@ -960,12 +948,6 @@ static const char * ggml_backend_cuda_host_buffer_type_name(ggml_backend_buffer_
GGML_UNUSED(buft);
}
static const char * ggml_backend_cuda_host_buffer_name(ggml_backend_buffer_t buffer) {
return GGML_CUDA_NAME "_Host";
GGML_UNUSED(buffer);
}
static void ggml_backend_cuda_host_buffer_free_buffer(ggml_backend_buffer_t buffer) {
CUDA_CHECK(cudaFreeHost(buffer->context));
}
@ -998,7 +980,6 @@ static ggml_backend_buffer_t ggml_backend_cuda_host_buffer_type_alloc_buffer(ggm
ggml_backend_buffer_t buffer = ggml_backend_cpu_buffer_from_ptr(ptr, size);
buffer->buft = buft;
buffer->iface.get_name = ggml_backend_cuda_host_buffer_name;
buffer->iface.free_buffer = ggml_backend_cuda_host_buffer_free_buffer;
return buffer;
@ -1400,7 +1381,7 @@ static void ggml_cuda_op_mul_mat(
const int64_t src1_padded_col_size = GGML_PAD(ne10, MATRIX_ROW_PADDING);
const bool split = ggml_backend_buffer_is_cuda_split(src0->buffer);
const bool split = ggml_backend_buft_is_cuda_split(src0->buffer->buft);
GGML_ASSERT(!(split && ne02 > 1));
GGML_ASSERT(!(split && ne03 > 1));
GGML_ASSERT(!(split && ne02 < ne12));
@ -1890,7 +1871,7 @@ static void ggml_cuda_mul_mat_batched_cublas(ggml_backend_cuda_context & ctx, co
}
static void ggml_cuda_mul_mat(ggml_backend_cuda_context & ctx, const ggml_tensor * src0, const ggml_tensor * src1, ggml_tensor * dst) {
const bool split = ggml_backend_buffer_is_cuda_split(src0->buffer);
const bool split = ggml_backend_buft_is_cuda_split(src0->buffer->buft);
bool use_dequantize_mul_mat_vec = ggml_cuda_dmmv_type_supported(src0->type)
&& src1->type == GGML_TYPE_F32 && dst->type == GGML_TYPE_F32
@ -2017,7 +1998,7 @@ static void ggml_cuda_mul_mat_id(ggml_backend_cuda_context & ctx, ggml_tensor *
GGML_TENSOR_BINARY_OP_LOCALS
GGML_ASSERT(!ggml_backend_buffer_is_cuda_split(src0->buffer) && "mul_mat_id does not support split buffers");
GGML_ASSERT(!ggml_backend_buft_is_cuda_split(src0->buffer->buft) && "mul_mat_id does not support split buffers");
cudaStream_t stream = ctx.stream();
@ -2150,7 +2131,7 @@ static void ggml_cuda_mul_mat_id(ggml_backend_cuda_context & ctx, ggml_tensor *
static bool ggml_cuda_compute_forward(ggml_backend_cuda_context & ctx, struct ggml_tensor * dst) {
// why is this here instead of mul_mat?
if (dst->src[0] != nullptr && ggml_backend_buffer_is_cuda_split(dst->src[0]->buffer)) {
if (dst->src[0] != nullptr && ggml_backend_buft_is_cuda_split(dst->src[0]->buffer->buft)) {
ggml_cuda_set_peer_access(dst->src[1]->ne[1], ctx.device);
}
@ -2371,12 +2352,6 @@ static void ggml_backend_cuda_free(ggml_backend_t backend) {
delete backend;
}
static ggml_backend_buffer_type_t ggml_backend_cuda_get_default_buffer_type(ggml_backend_t backend) {
ggml_backend_cuda_context * cuda_ctx = (ggml_backend_cuda_context *)backend->context;
return ggml_backend_cuda_buffer_type(cuda_ctx->device);
}
static void ggml_backend_cuda_set_tensor_async(ggml_backend_t backend, ggml_tensor * tensor, const void * data, size_t offset, size_t size) {
ggml_backend_cuda_context * cuda_ctx = (ggml_backend_cuda_context *)backend->context;
ggml_backend_buffer_t buf = tensor->view_src ? tensor->view_src->buffer : tensor->buffer;
@ -2582,7 +2557,7 @@ static enum ggml_status ggml_backend_cuda_graph_compute(ggml_backend_t backend,
continue;
}
if (node->src[0] && node->src[0]->buffer && ggml_backend_buffer_is_cuda_split(node->src[0]->buffer)) {
if (node->src[0] && node->src[0]->buffer && ggml_backend_buft_is_cuda_split(node->src[0]->buffer->buft)) {
use_cuda_graph = false; // Split buffers are not supported by CUDA graph capture
#ifndef NDEBUG
GGML_LOG_DEBUG("%s: disabling CUDA graphs due to split buffer\n", __func__);
@ -2669,7 +2644,8 @@ static enum ggml_status ggml_backend_cuda_graph_compute(ggml_backend_t backend,
for (int j = 0; j < GGML_MAX_SRC; j++) {
if (node->src[j] != nullptr) {
assert(node->src[j]->buffer);
assert(node->src[j]->buffer->buft == ggml_backend_cuda_buffer_type(cuda_ctx->device) || ggml_backend_buffer_is_cuda_split(node->src[j]->buffer));
assert(node->src[j]->buffer->buft == ggml_backend_cuda_buffer_type(cuda_ctx->device) ||
ggml_backend_buft_is_cuda_split(node->src[j]->buffer->buft));
}
}
#endif
@ -2762,7 +2738,7 @@ static enum ggml_status ggml_backend_cuda_graph_compute(ggml_backend_t backend,
cudaError_t stat = cudaGraphExecUpdate(cuda_ctx->cuda_graph->instance, cuda_ctx->cuda_graph->graph, &result_info);
if (stat == cudaErrorGraphExecUpdateFailure) {
#ifndef NDEBUG
GGML_LOG_ERROR("%s: CUDA graph update failed\n", __func__);
GGML_LOG_DEBUG("%s: CUDA graph update failed\n", __func__);
#endif
// The pre-existing graph exec cannot be updated due to violated constraints
// so instead clear error and re-instantiate
@ -2811,7 +2787,6 @@ static void ggml_backend_cuda_event_wait(ggml_backend_t backend, ggml_backend_ev
static const ggml_backend_i ggml_backend_cuda_interface = {
/* .get_name = */ ggml_backend_cuda_get_name,
/* .free = */ ggml_backend_cuda_free,
/* .get_default_buffer_type = */ ggml_backend_cuda_get_default_buffer_type,
/* .set_tensor_async = */ ggml_backend_cuda_set_tensor_async,
/* .get_tensor_async = */ ggml_backend_cuda_get_tensor_async,
/* .cpy_tensor_async = */ ggml_backend_cuda_cpy_tensor_async,
@ -2821,9 +2796,6 @@ static const ggml_backend_i ggml_backend_cuda_interface = {
/* .graph_plan_update = */ NULL,
/* .graph_plan_compute = */ NULL,
/* .graph_compute = */ ggml_backend_cuda_graph_compute,
/* .supports_op = */ NULL, // moved to device
/* .supports_buft = */ NULL, // moved to device
/* .offload_op = */ NULL, // moved to device
/* .event_record = */ ggml_backend_cuda_event_record,
/* .event_wait = */ ggml_backend_cuda_event_wait,
};
@ -2913,7 +2885,7 @@ static void ggml_backend_cuda_device_get_memory(ggml_backend_dev_t dev, size_t *
static enum ggml_backend_dev_type ggml_backend_cuda_device_get_type(ggml_backend_dev_t dev) {
GGML_UNUSED(dev);
return GGML_BACKEND_DEVICE_TYPE_GPU_FULL;
return GGML_BACKEND_DEVICE_TYPE_GPU;
}
static void ggml_backend_cuda_device_get_props(ggml_backend_dev_t dev, ggml_backend_dev_props * props) {
@ -2937,7 +2909,7 @@ static void ggml_backend_cuda_device_get_props(ggml_backend_dev_t dev, ggml_back
};
}
static ggml_backend_t ggml_backend_cuda_device_init(ggml_backend_dev_t dev, const char * params) {
static ggml_backend_t ggml_backend_cuda_device_init_backend(ggml_backend_dev_t dev, const char * params) {
GGML_UNUSED(params);
ggml_backend_cuda_device_context * ctx = (ggml_backend_cuda_device_context *)dev->context;
return ggml_backend_cuda_init(ctx->device);
@ -2953,18 +2925,29 @@ static ggml_backend_buffer_type_t ggml_backend_cuda_device_get_host_buffer_type(
return ggml_backend_cuda_host_buffer_type();
}
static ggml_backend_buffer_t ggml_backend_cuda_device_buffer_from_host_ptr(ggml_backend_dev_t dev, void * ptr, size_t size, size_t max_tensor_size) {
GGML_UNUSED(dev);
GGML_UNUSED(ptr);
GGML_UNUSED(size);
GGML_UNUSED(max_tensor_size);
return nullptr;
}
// TODO: move these functions here
static bool ggml_backend_cuda_device_supports_op(ggml_backend_dev_t dev, const ggml_tensor * op) {
ggml_backend_cuda_device_context * dev_ctx = (ggml_backend_cuda_device_context *) dev->context;
// split buffers can only be used with GGML_OP_MUL_MAT
if (op->op != GGML_OP_MUL_MAT) {
for (int i = 0; i < GGML_MAX_SRC; i++) {
if (op->src[i] && op->src[i]->buffer && ggml_backend_buft_is_cuda_split(op->src[i]->buffer->buft)) {
return false;
}
}
}
// check if all the sources are allocated on this device
for (int i = 0; i < GGML_MAX_SRC; i++) {
if (op->src[i] && op->src[i]->buffer && ggml_backend_buft_is_cuda(op->src[i]->buffer->buft)) {
ggml_backend_cuda_buffer_type_context * buft_ctx = (ggml_backend_cuda_buffer_type_context *)op->src[i]->buffer->buft->context;
if (buft_ctx->device != dev_ctx->device) {
return false;
}
}
}
switch (op->op) {
case GGML_OP_UNARY:
switch (ggml_get_unary_op(op)) {
@ -3190,24 +3173,27 @@ static bool ggml_backend_cuda_device_supports_op(ggml_backend_dev_t dev, const g
}
static bool ggml_backend_cuda_device_supports_buft(ggml_backend_dev_t dev, ggml_backend_buffer_type_t buft) {
if (ggml_backend_buft_is_cuda_split(buft)) {
return true;
}
return (ggml_backend_buft_is_cuda(buft) || ggml_backend_buft_is_cuda_split(buft)) && buft->device == dev;
}
if (ggml_backend_buft_is_cuda(buft)) {
ggml_backend_cuda_device_context * dev_ctx = (ggml_backend_cuda_device_context *)dev->context;
ggml_backend_cuda_buffer_type_context * buft_ctx = (ggml_backend_cuda_buffer_type_context *)buft->context;
return buft_ctx->device == dev_ctx->device;
static int64_t get_op_batch_size(const ggml_tensor * op) {
switch (op->op) {
case GGML_OP_GET_ROWS:
return 0;
case GGML_OP_MUL_MAT:
return op->ne[1];
case GGML_OP_MUL_MAT_ID:
case GGML_OP_ROPE:
return op->ne[2];
default:
return ggml_nrows(op);
}
return false;
}
static bool ggml_backend_cuda_device_offload_op(ggml_backend_dev_t dev, const ggml_tensor * op) {
const int min_batch_size = 32;
return (op->ne[1] >= min_batch_size && op->op != GGML_OP_GET_ROWS) ||
(op->ne[2] >= min_batch_size && op->op == GGML_OP_MUL_MAT_ID);
return get_op_batch_size(op) >= min_batch_size;
GGML_UNUSED(dev);
}
@ -3248,10 +3234,10 @@ static const ggml_backend_device_i ggml_backend_cuda_device_interface = {
/* .get_memory = */ ggml_backend_cuda_device_get_memory,
/* .get_type = */ ggml_backend_cuda_device_get_type,
/* .get_props = */ ggml_backend_cuda_device_get_props,
/* .init_backend = */ ggml_backend_cuda_device_init,
/* .init_backend = */ ggml_backend_cuda_device_init_backend,
/* .get_buffer_type = */ ggml_backend_cuda_device_get_buffer_type,
/* .get_host_buffer_type = */ ggml_backend_cuda_device_get_host_buffer_type,
/* .buffer_from_host_ptr = */ ggml_backend_cuda_device_buffer_from_host_ptr,
/* .buffer_from_host_ptr = */ NULL,
/* .supports_op = */ ggml_backend_cuda_device_supports_op,
/* .supports_buft = */ ggml_backend_cuda_device_supports_buft,
/* .offload_op = */ ggml_backend_cuda_device_offload_op,