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ggml: Free ggml_backend_buffer_t when releasing buffer

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When ggml_backend_buffer_free() is called, the device memory
is released but not all backends consistently release the actual
ggml_backend_buffer_t in system RAM, causing a memory leak.

Bug #10040
This commit is contained in:
Jesse Gross
2025-04-14 12:12:36 -07:00
committed by Jesse Gross
parent 0fe487e732
commit ccb7eb8135
6 changed files with 224 additions and 53 deletions
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4
llama/patches/0006-conditional-fattn.patch
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@@ -8,10 +8,10 @@ Subject: [PATCH] conditional-fattn
1 file changed, 2 insertions(+)
diff --git a/ggml/src/ggml-cuda/ggml-cuda.cu b/ggml/src/ggml-cuda/ggml-cuda.cu
index b094929b..36165840 100644
index dfff21a2..1b0d074b 100644
--- a/ggml/src/ggml-cuda/ggml-cuda.cu
+++ b/ggml/src/ggml-cuda/ggml-cuda.cu
@@ -2282,9 +2282,11 @@ static bool ggml_cuda_compute_forward(ggml_backend_cuda_context & ctx, struct gg
@@ -2284,9 +2284,11 @@ static bool ggml_cuda_compute_forward(ggml_backend_cuda_context & ctx, struct gg
case GGML_OP_ARGSORT:
ggml_cuda_op_argsort(ctx, dst);
break;