onednn-src 0.1.13

Source of oneAPI Deep Neural Network Library (oneDNN)
Documentation 
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/*******************************************************************************
* Copyright 2024 Intel Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*******************************************************************************/

#ifndef GPU_INTEL_INCLUDE_UTILS_H
#define GPU_INTEL_INCLUDE_UTILS_H

#define CONCAt2(a, b) a##b
#define CONCAT2(a, b) CONCAt2(a, b)
#define CONCAT3(a, b, c) CONCAT2(CONCAT2(a, b), c)

#ifdef cl_khr_fp64
#define IF_DOUBLE_SUPPORTED(x) x
#else
#define IF_DOUBLE_SUPPORTED(x)
#endif

#ifdef cl_khr_fp16
#define IF_HALF_SUPPORTED(x) x
#else
#define IF_HALF_SUPPORTED(x)
#endif

#if __OPENCL_C_VERSION__ >= CL_VERSION_2_0
#define ATOMICS_SUPPORTED 1
#else
#define ATOMICS_SUPPORTED 0
#endif

#if defined(cl_ext_float_atomics) && ATOMICS_SUPPORTED
#define ATOMIC_FLOAT_SUPPORTED 1
#else
#define ATOMIC_FLOAT_SUPPORTED 0
#endif

#ifdef OCL_DEBUG
#define DEBUG_PRINT(...) printf(__VA_ARGS__);
#else
#define DEBUG_PRINT(...)
#endif

#ifdef __has_builtin
#define HAS_BUILTIN(x) __has_builtin(x)
#else
#define HAS_BUILTIN(x) false
#endif

// Defines (for example) float_zero, float_one, float_min, and float_max
// Can be used in a data-type agnostic way with the SPECIAL macro below
#define DEF_special_vals(dt, zero_val, one_val, min_val, max_val) \
    dt CONCAT2(dt, _zero)() { \
        return zero_val; \
    } \
    dt CONCAT2(dt, _one)() { \
        return one_val; \
    } \
    dt CONCAT2(dt, _min)() { \
        return min_val; \
    } \
    dt CONCAT2(dt, _max)() { \
        return max_val; \
    }

DEF_special_vals(float, 0.0f, 1.0f, -FLT_MAX, FLT_MAX);
DEF_special_vals(int, 0, 1, INT_MIN, INT_MAX);
IF_DOUBLE_SUPPORTED(DEF_special_vals(double, 0.0, 1.0, -DBL_MAX, DBL_MAX));
IF_HALF_SUPPORTED(DEF_special_vals(half, 0.0h, 1.0h, -HALF_MAX, HALF_MAX));

#define SPECIAL(dt, val) CONCAT3(dt, _, val)()

#ifdef ENABLE_CHECK_ASSUMPTIONS
// Don't actually inform the compiler about the assumption
#define ASSUME(x) \
    if (!(x)) { \
        printf("Error - GWS indices (%ld,%ld,%ld): Runtime assumption \"%s\" " \
               "violated\n", \
                get_global_id(0), get_global_id(1), get_global_id(2), #x); \
        return; \
    }
#elif HAS_BUILTIN(__builtin_assume)
#define ASSUME(x) __builtin_assume(x)
#else
#define ASSUME(x)
#endif

/* Conditionally insert text if enabled is true */
#define OPTIONAL(condition, text) CONCAT2(OPTIONAL_, condition)(text)
#define OPTIONAL_0(text)
#define OPTIONAL_1(text) , text

// Boolean OR preprocessor
#define OR(a, b) CONCAT2(OR_RESULT, CONCAT2(a, b))
#define OR_RESULT00 0
#define OR_RESULT01 1
#define OR_RESULT10 1
#define OR_RESULT11 1

// Boolean AND preprocessor
#define AND(a, b) CONCAT2(AND_RESULT, CONCAT2(a, b))
#define AND_RESULT00 0
#define AND_RESULT01 0
#define AND_RESULT10 0
#define AND_RESULT11 1

#endif // GPU_INTEL_INCLUDE_UTILS_H