vbatts/llama.cpp
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sync : ggml (backend v2) (#3912)

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* sync : ggml (backend v2) (wip)

* sync : migrate examples and llama.cpp to dynamic graphs (wip)

* sync : update tests + fix max op params to 64

ggml-ci

* sync : ggml-cuda

ggml-ci

* llama : fix save/load state context size

ggml-ci

* sync : try to fix build on tvOS

* sync : pass custom graph sizes in training examples

* sync : update graph copies to new ggml API

* sync : update sync-ggml.sh with new files

* scripts : fix header in sync script

* train : fix context size calculations

* llama : increase inference graph size up to 4096 nodes

* train : allocate grads for backward graphs

* train : allocate grads for gb_tmp
This commit is contained in:
Georgi Gerganov 2023-11-13 14:16:23 +02:00 • committed by GitHub
parent bb50a792ec
commit 4760e7cc0b
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22 changed files with 1994 additions and 864 deletions
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23
examples/train-text-from-scratch/train-text-from-scratch.cpp
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@ -436,7 +436,7 @@ static struct ggml_tensor * llama_build_train_graphs(
if (enable_checkpointing) {
ggml_build_backward_gradient_checkpointing(ctx, gf, gb, gb_tmp, checkpoints.data(), (int) checkpoints.size());
} else {
*gb = *gf;
ggml_graph_cpy(gf, gb);
ggml_build_backward_expand(ctx, gf, gb, true);
}
@ -1006,6 +1006,7 @@ int main(int argc, char ** argv) {
opt->params = ggml_opt_default_params(GGML_OPT_ADAM);
opt->params.print_forward_graph = false;
opt->params.print_backward_graph = false;
opt->params.graph_size = LLAMA_TRAIN_MAX_NODES;
opt->params.n_threads = params.common.n_threads;
opt->params.past = params.common.opt_past;
opt->params.delta = params.common.opt_delta;
@ -1108,11 +1109,9 @@ int main(int argc, char ** argv) {
ggml_allocr_free(alloc);
// context for compute tensors without their data
size_t estimated_compute_size_wo_data = (
ggml_tensor_overhead()*GGML_MAX_NODES*2
+ (GGML_OBJECT_SIZE+GGML_GRAPH_SIZE)*(
params.common.use_checkpointing ? 3 : 2
)
const size_t estimated_compute_size_wo_data = (
2*LLAMA_TRAIN_MAX_NODES*ggml_tensor_overhead() +
(params.common.use_checkpointing ? 3 : 2)*(GGML_OBJECT_SIZE+ggml_graph_overhead_custom(LLAMA_TRAIN_MAX_NODES, true))
);
struct ggml_init_params ctx_compute_params = {
estimated_compute_size_wo_data, // mem_size
@ -1135,11 +1134,11 @@ int main(int argc, char ** argv) {
for (unsigned order = 0; order < (unsigned) GGML_CGRAPH_EVAL_ORDER_COUNT; ++order) {
ctx_compute = ggml_init(ctx_compute_params);
alloc = ggml_allocr_new_measure(tensor_alignment);
gf = ggml_new_graph(ctx_compute);
gf = ggml_new_graph_custom(ctx_compute, LLAMA_TRAIN_MAX_NODES, true);
gf->order = (enum ggml_cgraph_eval_order) order;
gb = ggml_new_graph(ctx_compute);
gb = ggml_new_graph_custom(ctx_compute, LLAMA_TRAIN_MAX_NODES, true);
gb_tmp = params.common.use_checkpointing
? ggml_new_graph(ctx_compute)
? ggml_new_graph_custom(ctx_compute, LLAMA_TRAIN_MAX_NODES, true)
: NULL;
loss = llama_build_train_graphs(
&model, alloc, ctx_compute,
@ -1168,11 +1167,11 @@ int main(int argc, char ** argv) {
mem_compute_data.resize(max_compute_size);
ctx_compute = ggml_init(ctx_compute_params);
alloc = ggml_allocr_new(mem_compute_data.data(), mem_compute_data.size(), tensor_alignment);
gf = ggml_new_graph(ctx_compute);
gf = ggml_new_graph_custom(ctx_compute, LLAMA_TRAIN_MAX_NODES, true);
gf->order = best_order;
gb = ggml_new_graph(ctx_compute);
gb = ggml_new_graph_custom(ctx_compute, LLAMA_TRAIN_MAX_NODES, true);
gb_tmp = params.common.use_checkpointing
? ggml_new_graph(ctx_compute)
? ggml_new_graph_custom(ctx_compute, LLAMA_TRAIN_MAX_NODES, true)
: NULL;
loss = llama_build_train_graphs(
&model, alloc, ctx_compute,