From faf3e21eaf8ac4667a233fc7d03e8cb29477183a Mon Sep 17 00:00:00 2001
From: xaedes <xaedes@gmail.com>
Date: Mon, 14 Aug 2023 20:50:09 +0200
Subject: [PATCH] add debug asserts in ggml_allocr_alloc to some common
 pitfalls when using this function directly

---
 ggml-alloc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ggml-alloc.c b/ggml-alloc.c
index 5e1be61ff..ddf973dae 100644
--- a/ggml-alloc.c
+++ b/ggml-alloc.c
@@ -104,6 +104,10 @@ static size_t ggml_allocator_get_alloc_size(struct ggml_allocr * alloc, struct g
 }
 
 void ggml_allocr_alloc(struct ggml_allocr * alloc, struct ggml_tensor * tensor) {
+#ifdef GGML_ALLOCATOR_DEBUG
+    GGML_ASSERT(ggml_is_view(tensor) == false); // views generally get data pointer from one of their sources
+    GGML_ASSERT(tensor->data == NULL); // avoid allocating tensor which already has memory allocated
+#endif
     size_t size = ggml_allocator_get_alloc_size(alloc, tensor);
     size = aligned_offset(NULL, size, alloc->alignment);