From: zhouwg <redacted>
Date: Mon, 7 Apr 2025 15:22:57 +0000 (+0800)
Subject: sycl: remove redundant memcopy in function ggml_backend_sycl_buffer_set_tensor (... 
X-Git-Tag: gguf-v0.16.1~88
X-Git-Url: https://git.djapps.eu/?a=commitdiff_plain;h=518a01480eb3a7c80a4951b430db9dee55428310;p=pkg%2Fggml%2Fsources%2Fllama.cpp

sycl: remove redundant memcopy in function ggml_backend_sycl_buffer_set_tensor (#12734)
---

diff --git a/ggml/src/ggml-sycl/ggml-sycl.cpp b/ggml/src/ggml-sycl/ggml-sycl.cpp
index dff9f8d4..f6f288d9 100644
--- a/ggml/src/ggml-sycl/ggml-sycl.cpp
+++ b/ggml/src/ggml-sycl/ggml-sycl.cpp
@@ -372,12 +372,9 @@ static void ggml_backend_sycl_buffer_set_tensor(ggml_backend_buffer_t buffer,
     auto stream = &(dpct::dev_mgr::instance().get_device(ctx->device).default_queue());
     SYCL_CHECK(
         CHECK_TRY_ERROR(dpct::dev_mgr::instance().get_device(ctx->device).queues_wait_and_throw()));
-    char* host_buf = (char*)malloc(size);
-    memcpy(host_buf, data, size);
     SYCL_CHECK(
-        CHECK_TRY_ERROR((*stream).memcpy((char *)tensor->data + offset, host_buf, size)
+        CHECK_TRY_ERROR((*stream).memcpy((char *)tensor->data + offset, data, size)
                              .wait()));
-    free(host_buf);
 }
 catch (sycl::exception const &exc) {
   std::cerr << exc.what() << "Exception caught at file:" << __FILE__