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// Copyright (c) 2021-2024, Intel Corporation
// SPDX-License-Identifier: BSD-3-Clause
export uniform int width() { return programCount; }
// Change layout from
// input: a0 b0 c0 d0 a1 b1 c1 d1 a2 b2 c2 d2 ...
// to
// output a0 a1 ... aX b0 b1 ... bX c0 c1 ... cX d0 d1 .. dX aX+1 ...
// where X = programCount - 1
// input parameter "n" is number of elements input array. Must be multiple of 4*programCount;
#define AOS_TO_SOA4_STDLIB(T) \
export void aos_to_soa4_stdlib_##T(uniform T *uniform input, uniform T *uniform output, uniform int n) { \
uniform int chunk = 4 * programCount; \
uniform int iterations = n / chunk; \
\
varying T *uniform output_varying = (varying T * uniform) output; \
\
for (uniform int i = 0; i < iterations; i++) { \
aos_to_soa4(&input[chunk * i], &output_varying[i * 4], &output_varying[i * 4 + 1], \
&output_varying[i * 4 + 2], &output_varying[i * 4 + 3]); \
} \
}
AOS_TO_SOA4_STDLIB(int32)
AOS_TO_SOA4_STDLIB(float)
AOS_TO_SOA4_STDLIB(int64)
AOS_TO_SOA4_STDLIB(double)
// Change layout from
// input: a0 b0 c0 a1 b1 c1 a2 b2 c2 ...
// to
// output a0 a1 ... aX b0 b1 ... bX c0 c1 ... cX aX+1 ...
// where X = programCount - 1
// input parameter "n" is number of elements input array. Must be multiple of 3*programCount;
#define AOS_TO_SOA3_STDLIB(T) \
export void aos_to_soa3_stdlib_##T(uniform T *uniform input, uniform T *uniform output, uniform int n) { \
uniform int chunk = 3 * programCount; \
uniform int iterations = n / chunk; \
\
varying T *uniform output_varying = (varying T * uniform) output; \
\
for (uniform int i = 0; i < iterations; i++) { \
aos_to_soa3(&input[chunk * i], &output_varying[i * 3], &output_varying[i * 3 + 1], \
&output_varying[i * 3 + 2]); \
} \
}
AOS_TO_SOA3_STDLIB(int32)
AOS_TO_SOA3_STDLIB(float)
AOS_TO_SOA3_STDLIB(int64)
AOS_TO_SOA3_STDLIB(double)
// Change layout from
// input: a0 b0 a1 b1 a2 b2 ...
// to
// output a0 a1 ... aX b0 b1 ... bX aX+1 ...
// where X = programCount - 1
// input parameter "n" is number of elements input array. Must be multiple of 2*programCount;
#define AOS_TO_SOA2_STDLIB(T) \
export void aos_to_soa2_stdlib_##T(uniform T *uniform input, uniform T *uniform output, uniform int n) { \
uniform int chunk = 2 * programCount; \
uniform int iterations = n / chunk; \
\
varying T *uniform output_varying = (varying T * uniform) output; \
\
for (uniform int i = 0; i < iterations; i++) { \
aos_to_soa2(&input[chunk * i], &output_varying[i * 2], &output_varying[i * 2 + 1]); \
} \
}
AOS_TO_SOA2_STDLIB(int32)
AOS_TO_SOA2_STDLIB(float)
AOS_TO_SOA2_STDLIB(int64)
AOS_TO_SOA2_STDLIB(double)
#if TARGET_WIDTH == 4
static const varying int vPerm40 = {0, 4, 1, 5};
static const varying int vPerm41 = {2, 6, 3, 7};
static const varying int vPerm42 = {0, 1, 4, 5};
static const varying int vPerm43 = {2, 3, 6, 7};
#elif TARGET_WIDTH == 8
static const varying int vPerm40 = {0, 4, 8, 12, 1, 5, 9, 13};
static const varying int vPerm41 = {2, 6, 10, 14, 3, 7, 11, 15};
static const varying int vPerm42 = {0, 1, 2, 3, 8, 9, 10, 11};
static const varying int vPerm43 = {4, 5, 6, 7, 12, 13, 14, 15};
#elif TARGET_WIDTH == 16
static const varying int vPerm40 = {0, 4, 8, 12, 16, 20, 24, 28, 1, 5, 9, 13, 17, 21, 25, 29};
static const varying int vPerm41 = {2, 6, 10, 14, 18, 22, 26, 30, 3, 7, 11, 15, 19, 23, 27, 31};
static const varying int vPerm42 = {0, 1, 2, 3, 4, 5, 6, 7, 16, 17, 18, 19, 20, 21, 22, 23};
static const varying int vPerm43 = {8, 9, 10, 11, 12, 13, 14, 15, 24, 25, 26, 27, 28, 29, 30, 31};
#elif TARGET_WIDTH == 32
static const varying int vPerm40 = {0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60,
1, 5, 9, 13, 17, 21, 25, 29, 33, 37, 41, 45, 49, 53, 57, 61};
static const varying int vPerm41 = {2, 6, 10, 14, 18, 22, 26, 30, 34, 38, 42, 46, 50, 54, 58, 62,
3, 7, 11, 15, 19, 23, 27, 31, 35, 39, 43, 47, 51, 55, 59, 63};
static const varying int vPerm42 = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47};
static const varying int vPerm43 = {16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63};
#elif TARGET_WIDTH == 64
static const varying int vPerm40 = {0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60,
64, 68, 72, 76, 80, 84, 88, 92, 96, 100, 104, 108, 112, 116, 120, 124,
1, 5, 9, 13, 17, 21, 25, 29, 33, 37, 41, 45, 49, 53, 57, 61,
65, 69, 73, 77, 81, 85, 89, 93, 97, 101, 105, 109, 113, 117, 121, 125};
static const varying int vPerm41 = {2, 6, 10, 14, 18, 22, 26, 30, 34, 38, 42, 46, 50, 54, 58, 62,
66, 70, 74, 78, 82, 86, 90, 94, 98, 102, 106, 110, 114, 118, 122, 126,
3, 7, 11, 15, 19, 23, 27, 31, 35, 39, 43, 47, 51, 55, 59, 63,
67, 71, 75, 79, 83, 87, 91, 95, 99, 103, 107, 111, 115, 119, 123, 127};
static const varying int vPerm42 = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95};
static const varying int vPerm43 = {32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111,
112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127};
#else
#error "No implementation for this target"
#endif
#define AOS_TO_SOA4_ISPC(T) \
static inline void aos_to_soa4_ispc(uniform T src[], varying T *uniform v0, varying T *uniform v1, \
varying T *uniform v2, varying T *uniform v3) { \
\
const varying T src0 = src[programIndex]; \
const varying T src1 = src[programCount + programIndex]; \
const varying T src2 = src[2 * programCount + programIndex]; \
const varying T src3 = src[3 * programCount + programIndex]; \
\
const varying T t0 = shuffle(src2, src3, vPerm40); \
const varying T t1 = shuffle(src2, src3, vPerm41); \
const varying T t2 = shuffle(src0, src1, vPerm40); \
const varying T t3 = shuffle(src0, src1, vPerm41); \
\
*v0 = shuffle(t2, t0, vPerm42); \
*v1 = shuffle(t2, t0, vPerm43); \
*v2 = shuffle(t3, t1, vPerm42); \
*v3 = shuffle(t3, t1, vPerm43); \
} \
\
export void aos_to_soa4_ispc_##T(uniform T *uniform input, uniform T *uniform output, uniform int n) { \
uniform int chunk = 4 * programCount; \
uniform int iterations = n / chunk; \
\
varying T *uniform output_varying = (varying T * uniform) output; \
\
for (uniform int i = 0; i < iterations; i++) { \
aos_to_soa4_ispc(&input[chunk * i], &output_varying[i * 4], &output_varying[i * 4 + 1], \
&output_varying[i * 4 + 2], &output_varying[i * 4 + 3]); \
} \
}
AOS_TO_SOA4_ISPC(int32)
AOS_TO_SOA4_ISPC(float)
AOS_TO_SOA4_ISPC(int64)
AOS_TO_SOA4_ISPC(double)
#if TARGET_WIDTH == 4
static const varying int vPerm30 = {0, 3, 1, 4};
static const varying int vPerm31 = {2, 5, 3, 6};
static const varying int vPerm32 = {0, 1, 4, 5};
static const varying int vPerm33 = {2, 3, 6, 7};
static const varying int vPerm34 = {2, 5, -1, -1};
static const varying int vPerm35 = {0, 1, 4, 7};
#elif TARGET_WIDTH == 8
static const varying int vPerm30 = {0, 3, 6, 9, 1, 4, 7, 10};
static const varying int vPerm31 = {4, 7, 10, 13, 5, 8, 11, 14};
static const varying int vPerm32 = {0, 1, 2, 3, 8, 9, 10, 11};
static const varying int vPerm33 = {4, 5, 6, 7, 12, 13, 14, 15};
static const varying int vPerm34 = {2, 5, 8, 11, 14, -1, -1, -1};
static const varying int vPerm35 = {0, 1, 2, 3, 4, 9, 12, 15};
#elif TARGET_WIDTH == 16
static const varying int vPerm30 = {0, 3, 6, 9, 12, 15, 18, 21, 1, 4, 7, 10, 13, 16, 19, 22};
static const varying int vPerm31 = {8, 11, 14, 17, 20, 23, 26, 29, 9, 12, 15, 18, 21, 24, 27, 30};
static const varying int vPerm32 = {0, 1, 2, 3, 4, 5, 6, 7, 16, 17, 18, 19, 20, 21, 22, 23};
static const varying int vPerm33 = {8, 9, 10, 11, 12, 13, 14, 15, 24, 25, 26, 27, 28, 29, 30, 31};
static const varying int vPerm34 = {2, 5, 8, 11, 14, 17, 20, 23, 26, 29, -1, -1, -1, -1, -1, -1};
static const varying int vPerm35 = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 16, 19, 22, 25, 28, 31};
#elif TARGET_WIDTH == 32
static const varying int vPerm30 = {0, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45,
1, 4, 7, 10, 13, 16, 19, 22, 25, 28, 31, 34, 37, 40, 43, 46};
static const varying int vPerm31 = {16, 19, 22, 25, 28, 31, 34, 37, 40, 43, 46, 49, 52, 55, 58, 61,
17, 20, 23, 26, 29, 32, 35, 38, 41, 44, 47, 50, 53, 56, 59, 62};
static const varying int vPerm32 = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47};
static const varying int vPerm33 = {16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63};
static const varying int vPerm34 = {2, 5, 8, 11, 14, 17, 20, 23, 26, 29, 32, 35, 38, 41, 44, 47,
50, 53, 56, 59, 62, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1};
static const varying int vPerm35 = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63};
#elif TARGET_WIDTH == 64
static const varying int vPerm30 = {0, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45,
48, 51, 54, 57, 60, 63, 66, 69, 72, 75, 78, 81, 84, 87, 90, 93,
1, 4, 7, 10, 13, 16, 19, 22, 25, 28, 31, 34, 37, 40, 43, 46,
49, 52, 55, 58, 61, 64, 67, 70, 73, 76, 79, 82, 85, 88, 91, 94};
static const varying int vPerm31 = {32, 35, 38, 41, 44, 47, 50, 53, 56, 59, 62, 65, 68, 71, 74, 77,
80, 83, 86, 89, 92, 95, 98, 101, 104, 107, 110, 113, 116, 119, 122, 125,
33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72, 75, 78,
81, 84, 87, 90, 93, 96, 99, 102, 105, 108, 111, 114, 117, 120, 123, 126};
static const varying int vPerm32 = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95};
static const varying int vPerm33 = {32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111,
112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127};
static const varying int vPerm34 = {2, 5, 8, 11, 14, 17, 20, 23, 26, 29, 32, 35, 38, 41, 44, 47,
50, 53, 56, 59, 62, 65, 68, 71, 74, 77, 80, 83, 86, 89, 92, 95,
98, 101, 104, 107, 110, 113, 116, 119, 122, 125, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1};
static const varying int vPerm35 = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 64, 67, 70, 73, 76, 79,
82, 85, 88, 91, 94, 97, 100, 103, 106, 109, 112, 115, 118, 121, 124, 127};
#else
#error "No implementation for this target"
#endif
#define AOS_TO_SOA3_ISPC(T) \
static inline void aos_to_soa3_ispc(uniform T src[], varying T *uniform v0, varying T *uniform v1, \
varying T *uniform v2) { \
\
const varying T src0 = src[programIndex]; \
const varying T src1 = src[programCount + programIndex]; \
const varying T src2 = src[2 * programCount + programIndex]; \
\
const varying T t0 = shuffle(src0, src1, vPerm30); \
const varying T t1 = shuffle(src1, src2, vPerm31); \
*v0 = shuffle(t0, t1, vPerm32); \
*v1 = shuffle(t0, t1, vPerm33); \
\
const varying T t2 = shuffle(src0, src1, vPerm34); \
*v2 = shuffle(t2, src2, vPerm35); \
} \
\
export void aos_to_soa3_ispc_##T(uniform T *uniform input, uniform T *uniform output, uniform int n) { \
uniform int chunk = 3 * programCount; \
uniform int iterations = n / chunk; \
\
varying T *uniform output_varying = (varying T * uniform) output; \
\
for (uniform int i = 0; i < iterations; i++) { \
aos_to_soa3_ispc(&input[chunk * i], &output_varying[i * 3], &output_varying[i * 3 + 1], \
&output_varying[i * 3 + 2]); \
} \
}
AOS_TO_SOA3_ISPC(int32)
AOS_TO_SOA3_ISPC(float)
AOS_TO_SOA3_ISPC(int64)
AOS_TO_SOA3_ISPC(double)
///////////////////////////////////////////////
#if TARGET_WIDTH == 4
static const varying int vPerm20 = {0, 2, 4, 6};
static const varying int vPerm21 = {1, 3, 5, 7};
#elif TARGET_WIDTH == 8
static const varying int vPerm20 = {0, 2, 4, 6, 8, 10, 12, 14};
static const varying int vPerm21 = {1, 3, 5, 7, 9, 11, 13, 15};
#elif TARGET_WIDTH == 16
static const varying int vPerm20 = {0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30};
static const varying int vPerm21 = {1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31};
#elif TARGET_WIDTH == 32
static const varying int vPerm20 = {0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30,
32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62};
static const varying int vPerm21 = {1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31,
33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63};
#elif TARGET_WIDTH == 64
static const varying int vPerm20 = {0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30,
32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62,
64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94,
96, 98, 100, 102, 104, 106, 108, 110, 112, 114, 116, 118, 120, 122, 124, 126};
static const varying int vPerm21 = {1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31,
33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63,
65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95,
97, 99, 101, 103, 105, 107, 109, 111, 113, 115, 117, 119, 121, 123, 125, 127};
#else
#error "No implementation for this target"
#endif
#define AOS_TO_SOA2_ISPC(T) \
static inline void aos_to_soa2_ispc(uniform T src[], varying T *uniform v0, varying T *uniform v1) { \
\
const varying T src0 = src[programIndex]; \
const varying T src1 = src[programCount + programIndex]; \
\
*v0 = shuffle(src0, src1, vPerm20); \
*v1 = shuffle(src0, src1, vPerm21); \
} \
\
export void aos_to_soa2_ispc_##T(uniform T *uniform input, uniform T *uniform output, uniform int n) { \
uniform int chunk = 2 * programCount; \
uniform int iterations = n / chunk; \
\
varying T *uniform output_varying = (varying T * uniform) output; \
\
for (uniform int i = 0; i < iterations; i++) { \
aos_to_soa2_ispc(&input[chunk * i], &output_varying[i * 2], &output_varying[i * 2 + 1]); \
} \
}
AOS_TO_SOA2_ISPC(int32)
AOS_TO_SOA2_ISPC(float)
AOS_TO_SOA2_ISPC(int64)
AOS_TO_SOA2_ISPC(double)
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