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backend : offload large batches to GPU (#6083)

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* backend : offload large batches to GPU

* fix hip

* code cleanup

* fix CUDA split buffers

* Update ggml-backend-impl.h

Co-authored-by: Johannes Gäßler <johannesg@5d6.de>

* cuda : fix memset without set_device

* imatrix : remove sched affix from weight names

* sched : add a new split if the current one has too many inputs
reduce max inputs per split
more cleanup

* update backends

ggml-ci

---------

Co-authored-by: Johannes Gäßler <johannesg@5d6.de>
This commit is contained in:
slaren
2024-03-18 11:03:04 +01:00
committed by GitHub
parent 496bc79bc2
commit 2bf8d0f7c4
14 changed files with 349 additions and 396 deletions
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10
ggml-alloc.c
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@@ -548,7 +548,11 @@ static void ggml_gallocr_alloc_graph_impl(ggml_gallocr_t galloc, struct ggml_cgr
for (int i = 0; i < graph->n_nodes; i++) {
struct ggml_tensor * node = graph->nodes[i];
if (ggml_is_view(node)) {
// TODO: better way to add external dependencies
// GGML_OP_NONE does not appear normally in the graph nodes, but is used by ggml-backend to add dependencies to
// control when some tensors are allocated and freed. in this case, the dependencies are in `src`, but the node
// itself is never used and should not be considered a dependency
if (ggml_is_view(node) && node->op != GGML_OP_NONE) {
struct ggml_tensor * view_src = node->view_src;
ggml_gallocr_hash_get(galloc, view_src)->n_views += 1;
}
@@ -565,8 +569,8 @@ static void ggml_gallocr_alloc_graph_impl(ggml_gallocr_t galloc, struct ggml_cgr
ggml_gallocr_hash_get(galloc, src)->n_children += 1;
// allocate explicit inputs and leafs
if (src->flags & GGML_TENSOR_FLAG_INPUT || src->op == GGML_OP_NONE) {
// allocate explicit inputs
if (src->flags & GGML_TENSOR_FLAG_INPUT) {
ggml_gallocr_allocate_node(galloc, src, get_node_buffer_id(node_buffer_ids, i));
}
}