Inital commit

2026-07-29 01:00:10 -05:00
commit 23e8ea90e4
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+//
+// 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
+//
+
+#ifndef GGML_SYCL_CONVERT_HPP
+#define GGML_SYCL_CONVERT_HPP
+
+#include "common.hpp"
+
+template <typename T>
+using to_t_sycl_t = void (*)(const void * __restrict__ x, T * __restrict__ y, int64_t k, dpct::queue_ptr stream);
+typedef to_t_sycl_t<float>      to_fp32_sycl_t;
+typedef to_t_sycl_t<sycl::half> to_fp16_sycl_t;
+
+to_fp16_sycl_t ggml_get_to_fp16_sycl(ggml_type type, ggml_tensor * dst);
+to_fp32_sycl_t ggml_get_to_fp32_sycl(ggml_type type, ggml_tensor * dst);
+
+#ifdef GGML_SYCL_HAS_BF16
+typedef to_t_sycl_t<sycl::ext::oneapi::bfloat16> to_bf16_sycl_t;
+to_bf16_sycl_t ggml_get_to_bf16_sycl(ggml_type type, ggml_tensor * dst);
+#endif
+
+// Nc = Non-contiguous
+template <typename T>
+using to_t_nc_sycl_t = void (*)(const void * x, T * y, int64_t ne00, int64_t ne01, int64_t ne02, int64_t ne03,
+                                   int64_t s01, int64_t s02, int64_t s03, dpct::queue_ptr queue);
+
+typedef to_t_nc_sycl_t<sycl::half> to_fp16_nc_sycl_t;
+to_fp16_nc_sycl_t ggml_get_to_fp16_nc_sycl(ggml_type type);
+
+template<typename dst_t, typename src_t>
+ inline dst_t ggml_sycl_cast(src_t x) {
+    if constexpr (std::is_same_v<dst_t, src_t>) {
+        return x;
+#ifdef GGML_SYCL_HAS_BF16
+    } else if constexpr (std::is_same_v<dst_t, sycl::ext::oneapi::bfloat16>) {
+        return sycl::ext::oneapi::bfloat16(float(x));
+    } else if constexpr (std::is_same_v<src_t, sycl::ext::oneapi::bfloat16>) {
+        return static_cast<float>(x);
+#endif
+    } else if constexpr (std::is_same_v<src_t, sycl::float2> && std::is_same_v<dst_t, sycl::half2>) {
+        return x.template convert<sycl::half, sycl::rounding_mode::rte>();
+#ifdef GGML_SYCL_HAS_BF16
+    } else if constexpr (std::is_same_v<src_t, sycl::float2> &&
+                         std::is_same_v<dst_t, sycl::vec<sycl::ext::oneapi::bfloat16, 2>>) {
+        return {x.x, x.y};
+#endif
+    } else if constexpr(std::is_same_v<dst_t, int32_t>) {
+        return int32_t(x);
+    } else {
+        return float(x);
+    }
+}
+
+
+#endif  // GGML_SYCL_CONVERT_HPP