From 94e549cac9ef6c423ecba733e396951dfafb9afa Mon Sep 17 00:00:00 2001 From: Jeff Bolz Date: Sun, 26 Oct 2025 13:20:33 -0500 Subject: [PATCH] vulkan: Call ggml_vk_buffer_write_2d from ggml_vk_buffer_copy This lets the copy to the destination device use the host-visible vidmem optimization. --- ggml/src/ggml-vulkan/ggml-vulkan.cpp | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/ggml/src/ggml-vulkan/ggml-vulkan.cpp b/ggml/src/ggml-vulkan/ggml-vulkan.cpp index b783f7805e924..349425c0f997d 100644 --- a/ggml/src/ggml-vulkan/ggml-vulkan.cpp +++ b/ggml/src/ggml-vulkan/ggml-vulkan.cpp @@ -5652,14 +5652,11 @@ static void ggml_vk_buffer_copy(vk_buffer& dst, size_t dst_offset, vk_buffer& sr VK_LOG_DEBUG("ggml_vk_buffer_copy(MULTI_DEVICE, " << size << ")"); // Copy device to device ggml_vk_ensure_sync_staging_buffer(src->device, size); - ggml_vk_ensure_sync_staging_buffer(dst->device, size); // Copy to src staging buffer ggml_vk_buffer_copy(src->device->sync_staging, 0, src, src_offset, size); - // memcpy to dst staging buffer - memcpy(dst->device->sync_staging->ptr, src->device->sync_staging->ptr, size); // Copy to dst buffer - ggml_vk_buffer_copy(dst, dst_offset, dst->device->sync_staging, 0, size); + ggml_vk_buffer_write_2d(dst, dst_offset, src->device->sync_staging->ptr, 0, size, 1); } }