From c6280bc3f4938e09d059c41bc881f2db8393abf1 Mon Sep 17 00:00:00 2001
From: Branden Butler <bwtbutler@hotmail.com>
Date: Tue, 12 Mar 2024 12:40:23 -0500
Subject: [PATCH] Update to use backend GUID and changed signatures

---
 ggml-mpi.cpp | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/ggml-mpi.cpp b/ggml-mpi.cpp
index a16cc48b7..6ee5168ba 100644
--- a/ggml-mpi.cpp
+++ b/ggml-mpi.cpp
@@ -304,7 +304,7 @@ void ggml_mpi_graph_creation_post(struct ggml_mpi_context * ctx_mpi, struct ggml
 
 
     for (int i = 0; i < gf->n_nodes; i++) {
-        gf->nodes[i]->backend = GGML_BACKEND_MPI_SPLIT;
+        gf->nodes[i]->backend = GGML_BACKEND_TYPE_MPI_SPLIT;
     }
 
 
@@ -382,7 +382,7 @@ GGML_CALL static const char * ggml_backend_mpi_buffer_name(ggml_backend_buffer_t
 
 GGML_CALL static const char * ggml_backend_mpi_buffer_type_name(ggml_backend_buffer_type_t buft);
 
-GGML_CALL static bool ggml_backend_mpi_graph_compute(ggml_backend_t backend, ggml_cgraph * cgraph) {
+GGML_CALL static enum ggml_status ggml_backend_mpi_graph_compute(ggml_backend_t backend, ggml_cgraph * cgraph) {
 
     struct ggml_mpi_context * ctx = (ggml_mpi_context *) backend->context;
 
@@ -511,7 +511,7 @@ GGML_CALL static bool ggml_backend_mpi_graph_compute(ggml_backend_t backend, ggm
                                                             ctx->backends.size(), cgraph->n_nodes);
 
 //    printf("Created new scheduler\n");
-        ggml_backend_sched_init_measure(sched, cgraph);
+        ggml_backend_sched_reserve(sched, cgraph);
 //    printf("Beginning sched graph compute\n");
         ggml_backend_sched_graph_compute(sched, cgraph);
 
@@ -593,7 +593,7 @@ GGML_CALL static bool ggml_backend_mpi_graph_compute(ggml_backend_t backend, ggm
 
 //    ggml_mpi_graph_compute_post(ctx, cgraph);
 
-    return true;
+    return GGML_STATUS_SUCCESS;
 }
 
 
@@ -914,6 +914,8 @@ void ggml_backend_mpi_set_tensor_async(ggml_backend_t backend, struct ggml_tenso
 
 ggml_backend_t ggml_backend_mpi_init(ggml_backend_t * wrapped_backends, size_t num_backends, int rank) {
 
+    static ggml_guid backend_mpi_guid = {0xec, 0x39, 0xce, 0x40, 0xc3, 0x43, 0x49, 0x36, 0x96, 0x03, 0x55, 0x77, 0x5c, 0x1f, 0x44, 0xd3};
+
 
     ggml_mpi_context * ctx = ggml_mpi_init();
     std::vector<ggml_backend_t> wrapped_backends_v;
@@ -942,6 +944,7 @@ ggml_backend_t ggml_backend_mpi_init(ggml_backend_t * wrapped_backends, size_t n
     };
 
     auto *mpi_backend = new ggml_backend {
+            /* .guid      = */ &backend_mpi_guid,
             /* .interface = */ mpi_backend_i,
             /* .context   = */ ctx,
     };