1 files changed, 97 insertions, 0 deletions
diff --git a/llama.cpp/ggml/src/ggml-sycl/pad.cpp b/llama.cpp/ggml/src/ggml-sycl/pad.cpp
new file mode 100644
index 0000000..f989c5e
--- /dev/null
+++ b/llama.cpp/ggml/src/ggml-sycl/pad.cpp
@@ -0,0 +1,97 @@
+//
+// MIT license
+// Copyright (C) 2025 Intel Corporation
+// SPDX-License-Identifier: MIT
+//
+
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+
+//#include "common.hpp"
+#include "pad.hpp"
+
+static void pad_f32(const float * src, float * dst,
+                    const int lp0, const int rp0, const int lp1, const int rp1,
+                    const int lp2, const int rp2, const int lp3, const int rp3,
+                    const int ne0, const int ne1, const int ne2, const int ne3,
+                    sycl::nd_item<3> item_ct1) {
+    int i0 = item_ct1.get_local_id(2) +
+             item_ct1.get_group(2) * item_ct1.get_local_range(2);
+    int i1 = item_ct1.get_group(1);
+    int i2 = item_ct1.get_group(0) % ne2;
+    int i3 = item_ct1.get_group(0) / ne2;
+    if (i0 >= ne0 || i1 >= ne1 || i2 >= ne2 || i3 >= ne3) {
+        return;
+    }
+
+    // operation
+    const int64_t dst_idx = i3*(ne0*ne1*ne2) + i2*(ne0*ne1) + i1*ne0 + i0;
+    if ((i0 >= lp0 && i0 < ne0 - rp0) &&
+        (i1 >= lp1 && i1 < ne1 - rp1) &&
+        (i2 >= lp2 && i2 < ne2 - rp2) &&
+        (i3 >= lp3 && i3 < ne3 - rp3)) {
+        const int64_t i00 = i0 - lp0;
+        const int64_t i01 = i1 - lp1;
+        const int64_t i02 = i2 - lp2;
+        const int64_t i03 = i3 - lp3;
+        const int64_t ne02 = ne2 - lp2 - rp2;
+        const int64_t ne01 = ne1 - lp1 - rp1;
+        const int64_t ne00 = ne0 - lp0 - rp0;
+
+        const int64_t src_idx = i03 * (ne00 * ne01 * ne02) +
+                                i02 * (ne00 * ne01) + i01 * ne00 + i00;
+
+        dst[dst_idx] = src[src_idx];
+    } else {
+        dst[dst_idx] = 0.0f;
+    }
+}
+
+static void pad_f32_sycl(const float *src, float *dst, const int lp0,
+                         const int rp0, const int lp1, const int rp1,
+                         const int lp2, const int rp2, const int lp3,
+                         const int rp3, const int ne0, const int ne1,
+                         const int ne2, const int ne3,
+                         dpct::queue_ptr stream) {
+    int num_blocks = (ne0 + SYCL_PAD_BLOCK_SIZE - 1) / SYCL_PAD_BLOCK_SIZE;
+    dpct::dim3 gridDim(num_blocks, ne1, ne2 * ne3);
+    stream->parallel_for(
+        sycl::nd_range<3>(gridDim * sycl::range<3>(1, 1, SYCL_PAD_BLOCK_SIZE),
+                          sycl::range<3>(1, 1, SYCL_PAD_BLOCK_SIZE)),
+        [=](sycl::nd_item<3> item_ct1) {
+            pad_f32(src, dst, lp0, rp0, lp1, rp1, lp2, rp2, lp3, rp3, ne0, ne1,
+                    ne2, ne3, item_ct1);
+        });
+}
+
+void ggml_sycl_op_pad(ggml_backend_sycl_context & ctx, ggml_tensor * dst) {
+    const ggml_tensor * src0 = dst->src[0];
+    const float * src0_d = (const float *)src0->data;
+    float * dst_d = (float *)dst->data;
+    dpct::queue_ptr     stream = ctx.stream();
+
+    GGML_ASSERT(src0->type == GGML_TYPE_F32);
+    GGML_ASSERT(dst->type == GGML_TYPE_F32);
+    GGML_ASSERT(ggml_is_contiguous(src0));
+
+    const int32_t lp0 = ((const int32_t*)(dst->op_params))[0];
+    const int32_t rp0 = ((const int32_t*)(dst->op_params))[1];
+    const int32_t lp1 = ((const int32_t*)(dst->op_params))[2];
+    const int32_t rp1 = ((const int32_t*)(dst->op_params))[3];
+    const int32_t lp2 = ((const int32_t*)(dst->op_params))[4];
+    const int32_t rp2 = ((const int32_t*)(dst->op_params))[5];
+    const int32_t lp3 = ((const int32_t*)(dst->op_params))[6];
+    const int32_t rp3 = ((const int32_t*)(dst->op_params))[7];
+
+    pad_f32_sycl(src0_d, dst_d,
+                 lp0, rp0, lp1, rp1, lp2, rp2, lp3, rp3,
+                 dst->ne[0], dst->ne[1], dst->ne[2], dst->ne[3], stream);
+}
+
+void ggml_sycl_pad(ggml_backend_sycl_context & ctx, ggml_tensor * dst) {
+    scope_op_debug_print scope_dbg_print(__func__, dst, /*num_src=*/1);
+    ggml_sycl_op_pad(ctx, dst);
+}