COMPMID-1722 : CL: Implement Range

Change-Id: I88da6eb5289c303b1dc91606c1560ce629746058
Reviewed-on: https://review.mlplatform.org/381
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>

1 files changed, 145 insertions, 0 deletions

diff --git a/src/core/CL/cl_kernels/range.cl b/src/core/CL/cl_kernels/range.cl
new file mode 100644
index 0000000000..d122c9ac89
--- /dev/null
+++ b/src/core/CL/cl_kernels/range.cl
@@ -0,0 +1,145 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "helpers.h"
+
+#if defined(VECTOR_SIZE) && defined(START) && defined(STEP) && defined(DATA_TYPE)
+/** Generates a sequence of numbers starting from START and extends by increments of 'STEP' up to but not including 'END'.
+ *
+ * @note starting value of the sequence must be given as a preprocessor argument using -DSTART=value. e.g. -DSTART=0
+ * @note difference between consequtive elements of the sequence must be given as a preprocessor argument using -DSTEP=value. e.g. -DSTEP=1
+ * @note Datatype must be given as a preprocessor argument using -DDATA_TYPE=type. e.g. -DDATA_TYPE=short
+ * @note vector size supported by the device must be given as a preprocessor argument using -DVECTOR_SIZE=value. e.g. -DDATA_TYPE=4
+ *
+ * @param[out] out_ptr                           Pointer to the destination tensor. Supported data types: U8/S8/U16/S16/U32/S32/F16/F32.
+ * @param[in]  out_stride_x                      Stride of the destination tensor in X dimension (in bytes)
+ * @param[in]  out_step_x                        dst_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in]  out_offset_first_element_in_bytes The offset of the first element in the destination tensor
+ */
+__kernel void range(
+    VECTOR_DECLARATION(out))
+{
+    uint           id      = get_global_id(0) * VECTOR_SIZE;
+    __global void *dst_ptr = out_ptr + out_offset_first_element_in_bytes + id * sizeof(DATA_TYPE);
+#if VECTOR_SIZE == 1
+    DATA_TYPE seq;
+    seq = (DATA_TYPE)START + (DATA_TYPE)id * (DATA_TYPE)STEP;
+
+    *((__global DATA_TYPE *)dst_ptr) = seq;
+#else // VECTOR_SIZE == 1
+    VEC_DATA_TYPE(DATA_TYPE, VECTOR_SIZE)
+    seq;
+
+    seq.s0 = ((DATA_TYPE)START + (DATA_TYPE)id * (DATA_TYPE)STEP);
+#if VECTOR_SIZE > 1
+    seq.s1 = seq.s0 + (DATA_TYPE)STEP;
+#if VECTOR_SIZE > 2
+    seq.s2 = seq.s1 + (DATA_TYPE)STEP;
+#if VECTOR_SIZE > 3
+    seq.s3 = seq.s2 + (DATA_TYPE)STEP;
+#if VECTOR_SIZE > 4
+    seq.s4 = seq.s3 + (DATA_TYPE)STEP;
+#if VECTOR_SIZE > 5
+    seq.s5 = seq.s4 + (DATA_TYPE)STEP;
+#if VECTOR_SIZE > 6
+    seq.s6 = seq.s5 + (DATA_TYPE)STEP;
+#if VECTOR_SIZE > 7
+    seq.s7 = seq.s6 + (DATA_TYPE)STEP;
+#endif // VECTOR_SIZE > 7
+#endif // VECTOR_SIZE > 6
+#endif // VECTOR_SIZE > 5
+#endif // VECTOR_SIZE > 4
+#endif // VECTOR_SIZE > 3
+#endif // VECTOR_SIZE > 2
+#endif // VECTOR_SIZE > 1
+    VSTORE(VECTOR_SIZE)
+    (seq, 0, ((__global DATA_TYPE *)dst_ptr));
+#endif //VECTOR_SIZE == 1
+}
+
+#if defined(OFFSET_OUT) && defined(SCALE_OUT)
+
+#define CONVERT_RTE(x, type) (convert_##type##_rte((x)))
+#define CONVERT_DOWN(x, type) CONVERT_RTE(x, type)
+
+/** Generates a sequence of numbers starting from START and extends by increments of 'STEP' up to but not including 'END'.
+ *
+ * @note starting value of the sequence must be given as a preprocessor argument using -DSTART=value. e.g. -DSTART=0
+ * @note difference between consequtive elements of the sequence must be given as a preprocessor argument using -DSTEP=value. e.g. -DSTEP=1
+ * @note Datatype must be given as a preprocessor argument using -DDATA_TYPE=type. e.g. -DDATA_TYPE=short
+ * @note vector size supported by the device must be given as a preprocessor argument using -DVECTOR_SIZE=vector_size. e.g. -DDATA_TYPE=4
+ * @note The quantization offset of the output must be passed at compile time using -DOFFSET_OUT, i.e. -DOFFSET_OUT=10
+ * @note The quantization scale of the output must be passed at compile time using -DSCALE_OUT, i.e. -DSCALE_OUT=10
+ *
+ * @param[out] out_ptr                           Pointer to the destination tensor. Supported data types: QASYMM8.
+ * @param[in]  out_stride_x                      Stride of the destination tensor in X dimension (in bytes)
+ * @param[in]  out_step_x                        dst_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in]  out_offset_first_element_in_bytes The offset of the first element in the destination tensor
+ */
+__kernel void range_quantized(
+    VECTOR_DECLARATION(out))
+{
+    size_t         id      = get_global_id(0) * VECTOR_SIZE;
+    __global void *dst_ptr = out_ptr + out_offset_first_element_in_bytes + id * sizeof(DATA_TYPE);
+#if VECTOR_SIZE == 1
+    float seq;
+    seq                          = (float)START + (float)id * (float)STEP;
+    seq                          = (DATA_TYPE)(int)(seq / ((float)SCALE_OUT) + (float)OFFSET_OUT);
+    seq                          = max(0.0f, min(seq, 255.0f));
+    *((__global uchar *)dst_ptr) = CONVERT_SAT(CONVERT_DOWN(seq, int), uchar);
+#else // VECTOR_SIZE == 1
+    VEC_DATA_TYPE(float, VECTOR_SIZE)
+    seq;
+    seq.s0 = (float)START + id * (float)STEP;
+#if VECTOR_SIZE > 1
+    seq.s1 = seq.s0 + (float)STEP;
+#if VECTOR_SIZE > 2
+    seq.s2 = seq.s1 + (float)STEP;
+#if VECTOR_SIZE > 3
+    seq.s3 = seq.s2 + (float)STEP;
+#if VECTOR_SIZE > 4
+    seq.s4 = seq.s3 + (float)STEP;
+#if VECTOR_SIZE > 5
+    seq.s5 = seq.s4 + (float)STEP;
+#if VECTOR_SIZE > 6
+    seq.s6 = seq.s5 + (float)STEP;
+#if VECTOR_SIZE > 7
+    seq.s7 = seq.s6 + (float)STEP;
+#endif // VECTOR_SIZE > 7
+#endif // VECTOR_SIZE > 6
+#endif // VECTOR_SIZE > 5
+#endif // VECTOR_SIZE > 4
+#endif // VECTOR_SIZE > 3
+#endif // VECTOR_SIZE > 2
+#endif // VECTOR_SIZE > 1
+    seq    = seq / ((VEC_DATA_TYPE(float, VECTOR_SIZE))((float)SCALE_OUT)) + ((VEC_DATA_TYPE(float, VECTOR_SIZE))((float)OFFSET_OUT));
+    seq    = max((VEC_DATA_TYPE(float, VECTOR_SIZE))(0.0f), min(seq, (VEC_DATA_TYPE(float, VECTOR_SIZE))(255.0f)));
+    VEC_DATA_TYPE(uchar, VECTOR_SIZE)
+    res = CONVERT_SAT(CONVERT_DOWN(seq, VEC_DATA_TYPE(int, VECTOR_SIZE)), VEC_DATA_TYPE(uchar, VECTOR_SIZE));
+    VSTORE(VECTOR_SIZE)
+    (res, 0, ((__global DATA_TYPE *)dst_ptr));
+#endif // VECTOR_SIZE == 1
+}
+#endif // defined(OFFSET_OUT) && defined(SCALE_OUT)
+
+#endif // defined(VECTOR_SIZE) && defined(START) && defined(STEP) && defined(DATA_TYPE)