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test_kernel_imp.h
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// test_kernel.h
// This is not an example kernel. It's here to help test all the overloads, SPMD conditonals, exec masking, etc.
#include <chrono>
class Stopwatch final
{
public:
using elapsed_resolution = std::chrono::microseconds;
Stopwatch() { Reset(); }
void Reset() { reset_time = clock.now(); }
double Elapsed() const { return (double)std::chrono::duration_cast<elapsed_resolution>(clock.now() - reset_time).count() * (1.0f / 1000000.0f); }
private:
std::chrono::high_resolution_clock clock;
std::chrono::high_resolution_clock::time_point reset_time;
};
#if CPPSPMD_SSE
//#define _XM_SSE4_INTRINSICS_ 1
//#include "DXM/Inc/DirectXMath.h"
//using namespace DirectX;
#endif
using namespace CPPSPMD;
// Must use unique struct/class names, or put them into uniquely named namespaces, otherwise the linker will get confused between the different variants. (At least with MSVC.)
namespace CPPSPMD_NAME(test_kernel_namespace)
{
const int MAX_LANES = 16;
struct test_kernel : spmd_kernel
{
#if CPPSPMD_INT16
typedef int16_t int_t;
typedef vint16 vint_t;
typedef lint16 lint_t;
#else
typedef int int_t;
typedef vint vint_t;
typedef lint lint_t;
#endif
FILE* pFile;
void print_vbool(vbool v)
{
for (uint32_t i = 0; i < PROGRAM_COUNT; i++)
fprintf(pFile, "%i ", extract(v, i));
fprintf(pFile, "\n");
}
void print_vint(vint_t v)
{
for (uint32_t i = 0; i < PROGRAM_COUNT; i++)
fprintf(pFile, "%i ", extract(v, i));
fprintf(pFile, "\n");
}
void print_vint16(vint_t v)
{
for (uint32_t i = 0; i < PROGRAM_COUNT * 2; i++)
fprintf(pFile, "%i ", (extract(v, i/2) >> ((i & 1) * 16)) & 0xFFFF);
fprintf(pFile, "\n");
}
void print_vint_hex(vint_t v)
{
for (uint32_t i = 0; i < PROGRAM_COUNT; i++)
fprintf(pFile, "0x%X ", extract(v, i));
fprintf(pFile, "\n");
}
void print_active_lanes(const char *pPrefix)
{
CPPSPMD_DECL(int_t, flags[PROGRAM_COUNT]);
memset(flags, 0, sizeof(flags));
storeu_linear(flags, vint_t(1));
if (pPrefix)
fprintf(pFile, "%s", pPrefix);
for (uint32_t i = 0; i < PROGRAM_COUNT; i++)
{
if (flags[i])
fprintf(pFile, "%u ", i);
}
fprintf(pFile, "\n");
}
void print_vint_u8_hex(vint_t v)
{
for (uint32_t i = 0; i < PROGRAM_COUNT * 4; i++)
{
uint32_t t = (extract(v, i / 4) >> ((i & 3) * 8)) & 0xFF;
fprintf(pFile, "0x%X ", t);
}
fprintf(pFile, "\n");
}
void print_vfloat(vfloat v)
{
for (uint32_t i = 0; i < PROGRAM_COUNT; i++)
fprintf(pFile, "%f ", extract(v, i));
fprintf(pFile, "\n");
}
void print_float_ptr(const float* v, int n = -1)
{
for (int i = 0; i < (n >= 0 ? n : PROGRAM_COUNT); i++)
fprintf(pFile, "%f ", v[i]);
fprintf(pFile, "\n");
}
void print_int_ptr(const int_t * v, int n = -1)
{
for (int i = 0; i < (n >= 0 ? n : PROGRAM_COUNT); i++)
fprintf(pFile, "%i ", v[i]);
fprintf(pFile, "\n");
}
void print_int_hex_ptr(const int_t * v, int n = -1)
{
for (int i = 0; i < (n >= 0 ? n : PROGRAM_COUNT); i++)
fprintf(pFile, "0x%X ", v[i]);
fprintf(pFile, "\n");
}
void print_int32_hex_ptr(const int32_t * v, int n = -1)
{
for (int i = 0; i < (n >= 0 ? n : PROGRAM_COUNT); i++)
fprintf(pFile, "0x%X ", v[i]);
fprintf(pFile, "\n");
}
void print_int(const uint32_t v)
{
fprintf(pFile, "%u\n", v);
}
void print_int(const int32_t v)
{
fprintf(pFile, "%i\n", v);
}
void print_int(const uint64_t v)
{
fprintf(pFile, "0x%llx\n", v);
}
void print_error(const char* pMsg)
{
fprintf(pFile, "%s", pMsg);
fprintf(stderr, "%s", pMsg);
}
bool _call(FILE * p);
bool test_array_float();
void test_array_int();
void test_sort();
void test_rand();
void test_return();
};
// https://burtleburtle.net/bob/rand/smallprng.html
typedef unsigned long int u4;
typedef struct ranctx { u4 a; u4 b; u4 c; u4 d; } ranctx;
#define rot(x,k) (((x)<<(k))|((x)>>(32-(k))))
static u4 ranval(ranctx* x)
{
u4 e = x->a - rot(x->b, 27);
x->a = x->b ^ rot(x->c, 17);
x->b = x->c + x->d;
x->c = x->d + e;
x->d = e + x->a;
return x->d;
}
static void raninit(ranctx* x, u4 seed)
{
u4 i;
x->a = 0xf1ea5eed;
x->b = seed ^ 0xd8487b1f;
x->c = seed ^ 0xdbadef9a;
x->d = seed;
for (i = 0; i < 20; ++i) {
(void)ranval(x);
}
}
static uint32_t leading_zero(uint32_t x)
{
uint32_t n = 0;
if (x <= 0x0000ffff) n += 16, x <<= 16;
if (x <= 0x00ffffff) n += 8, x <<= 8;
if (x <= 0x0fffffff) n += 4, x <<= 4;
if (x <= 0x3fffffff) n += 2, x <<= 2;
if (x <= 0x7fffffff) n++;
return n;
}
static uint32_t trailing_zero(uint32_t v)
{
unsigned int c = 32; // c will be the number of zero bits on the right
v &= -signed(v);
if (v) c--;
if (v & 0x0000FFFF) c -= 16;
if (v & 0x00FF00FF) c -= 8;
if (v & 0x0F0F0F0F) c -= 4;
if (v & 0x33333333) c -= 2;
if (v & 0x55555555) c -= 1;
return c;
}
static int count_bits(uint32_t v)
{
int total = 0;
while (v)
{
v &= (v - 1);
total++;
}
return total;
}
static float fixed_roundf(float a)
{
float f = std::roundf(a);
// Are we exactly halfway?
if (fabs(a - f) == .5f)
{
int q = (int)f;
if (q & 1)
{
// Fix rounding so it's like _mm_round_ss().
f += ((a < 0.0f) ? 1.0f : -1.0f);
if ((a < 0.0f) && (f == 0.0f))
{
f = -0.0f;
}
}
}
return f;
}
bool test_kernel::_call(FILE* p)
{
SPMD_BEGIN_CALL
bool succeeded = true;
pFile = p;
test_rand();
test_return();
int_t av[MAX_LANES] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
vint_t a = loadu_linear(av);
int_t bv[MAX_LANES] = { 0, 0, 2, 4, 7, 2, 0, 100, 8, 6, 12, 13, 15, 14,0, 100 };
vint_t b = loadu_linear(bv);
int_t cv[MAX_LANES] = { 1, 1, 6, -14, -100, 2, 5, 100, 1, 1, 6, -14, -100, 2, 5, 100 };
vint_t c = loadu_linear(cv);
#if !CPPSPMD_INT16
{
rand_context z1;
vint zk1(0xABCD1234);
for (int i = 0; i < PROGRAM_COUNT; i++)
insert(zk1, i, 0x1BCD1234 * i + i);
seed_rand(z1, zk1);
for (int i = 0; i < 65536; i++)
{
vint bits(get_randu(z1));
#if CPPSPMD_SSE
vint shift((get_randu(z1) & 0x7FFFFFFF) % 64);
#else
vint shift((get_randu(z1) & 0x7FFFFFFF) & 31);
#endif
vint r = vuint_shift_right(bits, shift);
for (int p = 0; p < PROGRAM_COUNT; p++)
{
uint32_t a = extract(bits, p);
uint32_t s = extract(shift, p);
uint32_t as = (s >= 32) ? 0 : (a >> s);
if (as != (uint32_t)extract(r, p))
{
printf("!");
succeeded = false;
}
}
vint rs = bits >> shift;
for (int p = 0; p < PROGRAM_COUNT; p++)
{
int a = extract(bits, p);
int s = extract(shift, p);
int as = (s >= 32) ? (a < 0 ? -1 : 0) : (a >> s);
if (as != extract(rs, p))
{
printf("!");
succeeded = false;
}
}
}
}
#endif
#if !CPPSPMD_INT16
fprintf(pFile, "div_epi32:\n");
rand_context z1;
vint zk1(0xABCD1234);
for (int i = 0; i < PROGRAM_COUNT; i++)
insert(zk1, i, 0x1BCD1234 * i + i);
seed_rand(z1, zk1);
for (int i = 0; i < 32; i++)
{
vint_t d1 = get_randu(z1), d2 = get_randu(z1);
SPMD_IF(get_randu(z1) & 1)
{
store(d2, d2 & 0xFFFF);
}
SPMD_END_IF
SPMD_WHILE(d1 == 0x80000000)
{
store(d2, get_randu(z1));
}
SPMD_WEND
SPMD_WHILE((d2 == 0) || (d2 == 0x80000000))
{
store(d2, get_randu(z1));
}
SPMD_WEND
vint dr0 = d1 / d2;
vint dr1;
for (int i = 0; i < PROGRAM_COUNT; i++)
insert(dr1, i, extract(d1, i) / extract(d2, i));
vint r0 = d1 % d2;
vint r1;
for (int i = 0; i < PROGRAM_COUNT; i++)
insert(r1, i, extract(d1, i) % extract(d2, i));
print_vint(dr0);
print_vint(dr1);
print_vint(r0);
print_vint(r1);
if (spmd_any(dr0 != dr1) || spmd_any(r0 != r1))
{
printf("!");
succeeded = false;
}
}
#endif
#if !CPPSPMD_INT16
int_t ev[MAX_LANES] = { (int_t)0x01020304, (int_t)0x01234567, (int_t)0x01020304, (int_t)0x01020304, (int_t)0x01020304, (int_t)0x01020304, (int_t)0x01020304, (int_t)0x01020304, (int_t)0x01020304, (int_t)0x01020304, (int_t)0x01020304, (int_t)0x01020304, (int_t)0x01020304, (int_t)0x01020304, (int_t)0x01020304, (int_t)0x01020304 };
vint_t e = loadu_linear(ev);
fprintf(pFile, "byteswap:\n");
print_vint_hex(e);
print_vint_hex(byteswap(e));
print_vint_hex(byteswap(byteswap(e)));
vint t1, t2;
init_reverse_bits(t1, t2);
//for (int i = 0; i < 16; i++)
// printf("%u, ", leading_zero(i << 28));
rand_context c1;
vint k1(0xABCD1234);
insert(k1, 1, 0xABCD1239);
insert(k1, 2, 0xAB2D1234);
insert(k1, 3, 0x1BCD1234);
seed_rand(c1, k1);
for (int t = 0; t < 64; t++)
{
vint q = get_randu(c1);
print_vint_hex(q);
vint lz = count_leading_zeros(q);
print_vint_hex(lz);
vint tz = count_trailing_zeros(q);
print_vint_hex(lz);
vint sb = count_set_bits(q);
for (int k = 0; k < PROGRAM_COUNT; k++)
{
int e = extract(q, k);
if (count_bits(e) != extract(sb, k))
{
print_error("csb failed!\n");
}
int clz = leading_zero(e);
if (extract(lz, k) != clz)
{
print_error("clz failed!\n");
}
int ctz = trailing_zero(e);
if (extract(tz, k) != ctz)
{
print_error("ctz failed!\n");
}
}
vint r = 0;
for (int k = 0; k < PROGRAM_COUNT; k++)
{
for (int i = 0; i < 32; i++)
{
int byte_ofs = (i + k * 32) / 8;
int bit_ofs = (i + k * 32) % 8;
int bit = (((uint8_t*)&q)[byte_ofs] & (1 << bit_ofs)) != 0;
int r_byte_ofs = (31 - i + k * 32) / 8;
int r_bit_ofs = (31 - i + k * 32) % 8;
if (bit)
((uint8_t*)&r)[r_byte_ofs] |= (1 << r_bit_ofs);
}
}
vint s = reverse_bits(q, t1, t2);
vint si = reverse_bits(s, t1, t2);
print_vint(q);
if (spmd_any(r != s) || spmd_any(q != si))
{
printf("!");
succeeded = false;
}
}
#endif
fprintf(pFile, "int math:\n");
print_vint(a);
print_vint(-a);
print_vint(a + b);
print_vint(a - b);
print_vint(a / c);
print_vint(a * c);
print_vint(a * 2);
print_vint(2 * a);
print_vint(2 + a);
print_vint(2 - a);
print_vint(a % b);
print_vint(a % 2);
print_vint(a / b);
print_vint(a / 2);
fprintf(pFile, "int logical:\n");
print_vint(a & b);
print_vint(a | b);
print_vint(a ^ b);
fprintf(pFile, "bool logical:\n");
print_vbool(vbool(a));
print_vbool(vbool(b));
print_vbool(!vbool(a));
print_vbool(!vbool(b));
print_vbool(!vbool(a) || !vbool(b));
print_vbool(!vbool(a) && !vbool(b));
fprintf(pFile, "int comps 1:\n");
print_vbool(a == a);
print_vbool(a != a);
print_vbool(a < a);
print_vbool(a > a);
print_vbool(a <= a);
print_vbool(a >= a);
fprintf(pFile, "\n");
fprintf(pFile, "int comps 2:\n");
print_vbool(a == b);
print_vbool(a != b);
print_vbool(a < b);
print_vbool(a > b);
print_vbool(a <= b);
print_vbool(a >= b);
fprintf(pFile, "\n");
//float fav[MAX_LANES] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
float fav[MAX_LANES] = { 14, 15, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
vfloat fa = loadu_linear(fav);
float fbv[MAX_LANES] = { 0, 0, 2, 4, 7, 2, 0, 100, 100, 0, 2, 7, 4, 2, 0, 0 };
vfloat fb = loadu_linear(fbv);
//float fcv[MAX_LANES] = { 1, 1, 6, -14, -100, 2, 5, 100, 100, 5, 2, -100, -14, 6, 1, 1 };
float fcv[MAX_LANES] = { 1, 1, 6, -14, -100, 2, 5, 100, 100, 5, 2, -100, -14, 6, 1, 1 };
vfloat fc = loadu_linear(fcv);
float fdv[MAX_LANES] = { -100.5f, -100.4999f, -100.5001f, 0.5f, -.5f, .4999f, 1.5f, 1.49f, -100.5f, -100.4999f, -100.5001f, 0.5f, -.5f, .4999f, 1.5f, 1.49f, };
vfloat fd = loadu_linear(fdv);
float fev[MAX_LANES] = { 0.0f, -.5f, .4999f, 1.5f, 1.49f, -100.5f, -100.4999f, -100.5001f, 0.0f, -.5f, .4999f, 1.5f, 1.49f, -100.5f, -100.4999f, -100.5001f };
vfloat fe = loadu_linear(fev);
fprintf(pFile, "abs/floor/ceil/min/max:\n");
print_vfloat(fd);
print_vfloat(abs(fd));
print_vfloat(floor(fd));
print_vfloat(ceil(fd));
print_vfloat(min(fd, fe));
print_vfloat(max(fd, fe));
print_vint(min(a, b));
print_vint(min(b, a));
print_vint(max(b, a));
print_vint(max(a, b));
print_vfloat(sqrt(fd));
print_vfloat(round_nearest(fd));
print_vfloat(round_truncate(fd));
print_vfloat(clamp(fa, fd, fc));
fprintf(pFile, "Extracts:\n");
print_vfloat(fa);
fprintf(pFile, "%f %f %f %f\n", VFLOAT_EXTRACT(fa, 0), VFLOAT_EXTRACT(fa, 1), VFLOAT_EXTRACT(fa, 2), VFLOAT_EXTRACT(fa, 3));
fprintf(pFile, "%f %f %f %f\n", extract(fa, 0), extract(fa, 1), extract(fa, 2), extract(fa, 3));
vbool vb = a > b;
print_vbool(vb);
fprintf(pFile, "%i %i %i %i\n", VBOOL_EXTRACT(vb, 0), VBOOL_EXTRACT(vb, 1), VBOOL_EXTRACT(vb, 2), VBOOL_EXTRACT(vb, 3));
fprintf(pFile, "%i %i %i %i\n", extract(vb, 0), extract(vb, 1), extract(vb, 2), extract(vb, 3));
print_vint(a);
fprintf(pFile, "%i %i %i %i\n", VINT_EXTRACT(a, 0), VINT_EXTRACT(a, 1), VINT_EXTRACT(a, 2), VINT_EXTRACT(a, 3));
fprintf(pFile, "%i %i %i %i\n", extract(a, 0), extract(a, 1), extract(a, 2), extract(a, 3));
fprintf(pFile, "int mul:\n");
print_vint(a * b);
print_vint(a * -b);
print_vint(-a * -b);
print_vint(-a * b);
#if !CPPSPMD_INT16
fprintf(pFile, "minu/maxu:\n");
print_vint(minu(vint_t((int)0xFFFFFFFF), vint((int)0x7FFFFFFE)));
print_vint(maxu(vint_t((int)0x7FFFFFFF), vint((int)0xFFFFFFFE)));
fprintf(pFile, "table4:\n");
CPPSPMD_DECL(const uint8_t, table0[16]) = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
CPPSPMD_DECL(const uint8_t, table1[16]) = { 0, 1, 0x80|2, 0x80 | 3, 4, 5, 0x80 | 6, 7, 8, 0x80 | 9, 10, 0x80 | 11, 12, 13, 14, 15 };
CPPSPMD_DECL(const uint8_t, table2[16]) = { 8, 9, 10, 11, 12, 13, 14, 15, 7, 6, 5, 4, 3, 2, 1, 0 };
vint tt0 = init_lookup4(table0);
vint tt1 = init_lookup4(table1);
vint tt2 = init_lookup4(table2);
print_vint(table_lookup4_8(a, tt0));
print_vint(table_lookup4_8(b, tt0));
print_vint(table_lookup4_8(b | 0x80, tt0));
print_vint(table_lookup4_8(a, tt1));
print_vint(table_lookup4_8(b, tt1));
print_vint(table_lookup4_8(b | 0x80, tt1));
print_vint(table_lookup4_8(a, tt2));
print_vint(table_lookup4_8(b, tt2));
print_vint(table_lookup4_8(c | 0x8000, tt2));
print_vint(table_lookup4_8(c, tt2));
#endif
fprintf(pFile, "round/truncate/ceil/floor:\n");
for (int si = -16; si <= 16; si++)
{
float sf = (float)si / 4.0f;
vfloat sfv(sf);
fprintf(pFile, "--- %3.8f\n", sf);
fprintf(pFile, "%3.8f %3.8f %3.8f %3.8f\n", fixed_roundf(sf), (float)((int)sf), ceil(sf), floor(sf));
fprintf(pFile, "%3.8f %3.8f %3.8f %3.8f\n",
extract(round_nearest(sfv), 0),
extract(round_truncate(sfv), 0),
extract(ceil(sfv), 0),
extract(floor(sfv), 0));
}
fprintf(pFile, "float math:\n");
print_vfloat(-0.0f);
print_vfloat(fa);
print_vfloat(-fa);
print_vfloat(fa + fb);
print_vfloat(fa - fb);
fprintf(pFile, "fa:\n");
print_vfloat(fa);
print_int32_hex_ptr((int*)&fa);
fprintf(pFile, "fc:\n");
print_vfloat(fc);
print_int32_hex_ptr((int*)&fc);
vfloat dr = fa / fc;
print_vfloat(dr);
print_int32_hex_ptr((int*)&dr);
print_vfloat(fa * fc);
print_vfloat(fa * 2.0f);
print_vfloat(2.0f * fa);
print_vfloat(2.0f + fa);
print_vfloat(2.0f - fa);
fprintf(pFile, "\n");
fprintf(pFile, "Casts:\n");
print_vfloat(vfloat(a));
print_vint(vint_t(fa));
print_vint((vint_t)vbool(fa == fa));
print_vint((vint_t)vbool(fa != fa));
print_vbool((vbool)(vint_t)vbool(fa == fa));
print_vbool((vbool)(vint_t)vbool(fa == fa));
print_vint((vint_t)vbool(a == a));
print_vint((vint_t)vbool(a != a));
print_vbool((vbool)(vint_t)vbool(a == a));
print_vbool((vbool)(vint_t)vbool(a == a));
fprintf(pFile, "float comps:\n");
print_vbool(fa == fa);
print_vbool(fa != fa);
print_vbool(fa < fa);
print_vbool(fa > fa);
print_vbool(fa <= fa);
print_vbool(fa >= fa);
fprintf(pFile, "\n");
fprintf(pFile, "float comps:\n");
print_vbool(fa == fb);
print_vbool(fa != fb);
print_vbool(fa < fb);
print_vbool(fa > fb);
print_vbool(fa <= fb);
print_vbool(fa >= fb);
fprintf(pFile, "\n");
fprintf(pFile, "SPMD_WHILE:\n");
const int_t rf[MAX_LANES] = { 0, 5, 2, 3, 4, 5, 6, 7, 3, 1, 2, 5, 0, 13, 2, 4 };
const int_t jf[MAX_LANES] = { 0, 1, 2, 3, 4, 5, 6, 5, 0, 1, 2, 3, 4, 5, 6, 5 };
vint_t r, j;
store(r, loadu_linear(rf));
store(j, loadu_linear(jf));
const int_t kf[MAX_LANES] = { 0, 1, 2, 3, 4, 5, 6, 7, 3, 2, 1, 0, 5, 6, 7, 3 };
vint_t k;
store(k, loadu_linear(kf));
SPMD_WHILE(k < 10)
{
SPMD_IF(k == 5)
{
store(k, k + 2);
spmd_continue();
}
SPMD_END_IF
SPMD_IF(k == 9)
{
store(k, k + 100);
spmd_break();
}
SPMD_END_IF
store(k, k + 1);
for (uint32_t i = 0; i < PROGRAM_COUNT; i++) fprintf(pFile, "%i ", extract(k, i)); fprintf(pFile, "\n");
}
SPMD_WEND
fprintf(pFile, "SPMD_IF:\n");
vint_t l = 0;
SPMD_IF(a < b)
{
store(l, 1);
SPMD_IF((a + 1) < b)
store(l, 3);
SPMD_END_IF
}
SPMD_ELSE(a < b)
{
store(l, 2);
}
SPMD_END_IF
print_vint(l);
fprintf(pFile, "SPMD_SIF:\n");
vint_t z = 0;
SPMD_SIF(a < b)
{
store(z, 1);
SPMD_SIF((a + 1) < b)
store(z, 3);
SPMD_SENDIF
}
SPMD_SELSE(a < b)
{
store(z, 2);
}
SPMD_SENDIF
print_vint(z);
fprintf(pFile, "\n");
fprintf(pFile, "Shifts:\n");
print_vint(a);
print_vint(a << 1);
print_vint(a >> 1);
print_vint(vuint_shift_right(a, 1));
print_vint(VINT_SHIFT_LEFT(a, 1));
print_vint(VINT_SHIFT_RIGHT(a, 1));
print_vint(VUINT_SHIFT_RIGHT(a, 1));
print_vint(VINT_SHIFT_LEFT(a, 32));
print_vint(VINT_SHIFT_RIGHT(a, 32));
print_vint(VUINT_SHIFT_RIGHT(a, 32));
fprintf(pFile, "Shifts2:\n");
int_t shiftv[MAX_LANES] = { 0, 10, 20, 31, 4, 5, 6, 7, 8, 9, 12, 14, 16, 18, 25, 30 };
vint_t shift = loadu_linear(shiftv);
print_vint(a << shift);
print_vint((~a) >> shift);
print_vint(vuint_shift_right((~a), shift));
print_vint(a << 32);
print_vint((~a) >> 31);
print_vint((~a) >> 32);
print_vint(vuint_shift_right((~a), 32));
print_vint(vuint_shift_right((~a), 31));
fprintf(pFile, "Shifts3:\n");
#if !CPPSPMD_INT16
srand(1);
for (int t = 0; t < 32; t++)
{
uint32_t i = rand() | (rand() << 16);
uint32_t j = rand() & 31;
vint_t q0 = vint((int)i) << vint((int)j);
int q0s = extract(q0, 0);
int qs = i << j;
vint_t r0 = vint((int)i) >> vint((int)j);
int r0s = extract(r0, 0);
int rs = i >> j;
print_vint(q0);
print_vint(r0);
if (qs != q0s)
{
print_error("Left shift failed!\n");
}
if (rs != r0s)
{
print_error("Right shift failed!\n");
}
}
#endif
fprintf(pFile, "Ternary:\n");
print_vint(a);
print_vint(b);
print_vint(c);
print_vint(spmd_ternaryi(a > 3, b, c));
print_vfloat(spmd_ternaryf(fa > 3.0f, fb, fc));
fprintf(pFile, "Stores:\n");
CPPSPMD_ALIGN(64) float t[MAX_LANES];
memset(t, 0xFF, sizeof(t)); store_linear_all(t, fa); print_float_ptr(t);
memset(t, 0xFF, sizeof(t)); storeu_linear_all(t, fa); print_float_ptr(t);
memset(t, 0xFF, sizeof(t)); storeu_linear(t, fa); print_float_ptr(t);
memset(t, 0xFF, sizeof(t)); store_all_strided(t, 1, fa); print_float_ptr(t);
memset(t, 0xFF, sizeof(t)); store_strided(t, 1, fa); print_float_ptr(t);
fprintf(pFile, "Masked stores:\n");
SPMD_IF(a > 2)
{
memset(t, 0xFF, sizeof(t)); store_linear_all(t, fa); print_float_ptr(t);
memset(t, 0xFF, sizeof(t)); storeu_linear_all(t, fa); print_float_ptr(t);
memset(t, 0xFF, sizeof(t)); storeu_linear(t, fa); print_float_ptr(t);
memset(t, 0xFF, sizeof(t)); store_all_strided(t, 1, fa); print_float_ptr(t);
memset(t, 0xFF, sizeof(t)); store_strided(t, 1, fa); print_float_ptr(t);
}
SPMD_END_IF
fprintf(pFile, "Masked loads:\n");
memset(t, 0xFF, sizeof(t)); store_linear_all(t, fa); print_vfloat(load_linear_all(t));
memset(t, 0xFF, sizeof(t)); storeu_linear_all(t, fa); print_vfloat(loadu_linear_all(t));
memset(t, 0xFF, sizeof(t)); storeu_linear(t, fa); print_vfloat(loadu_linear(t));
memset(t, 0xFF, sizeof(t)); store_all_strided(t, 1, fa); print_vfloat(load_all_strided(t, 1));
memset(t, 0xFF, sizeof(t)); store_strided(t, 1, fa); print_vfloat(load_strided(t, 1));
fprintf(pFile, "Masked loads:\n");
SPMD_IF(a > 2)
{
memset(t, 0xFF, sizeof(t)); store_linear_all(t, fa); print_vfloat(load_linear_all(t));
memset(t, 0xFF, sizeof(t)); storeu_linear_all(t, fa); print_vfloat(loadu_linear_all(t));
memset(t, 0xFF, sizeof(t)); storeu_linear(t, fa); print_vfloat(loadu_linear(t));
memset(t, 0xFF, sizeof(t)); store_all_strided(t, 1, fa); print_vfloat(load_all_strided(t, 1));
memset(t, 0xFF, sizeof(t)); store_strided(t, 1, fa); print_vfloat(load_strided(t, 1));
}
SPMD_END_IF
fprintf(pFile, "SPMD_IF all opt:\n");
SPMD_IF(a > 1000)
{
fprintf(pFile, "Inside 1\n");
}
SPMD_ELSE(a > 1000)
{
fprintf(pFile, "Inside 2\n");
}
SPMD_END_IF
fprintf(pFile, "WEND spmd_break:\n");
vint_t w = a;
SPMD_WHILE(w < 10)
SPMD_IF(w > 4)
spmd_break();
SPMD_END_IF
print_vint(w);
store(w, w + 1);
SPMD_WEND
fprintf(pFile, "vint_vref:\n");
vint_t rr[10];
vfloat rrf[10];
int_t nv[MAX_LANES] = { 0, 5, 6, 7, 1, 2, 4, 3, 10, 11, 12, 13, 14, 15, 16, 17 };
vint_t n = loadu_linear(nv);
vint_t nn = 0;
SPMD_WHILE(nn < 10)
{
store((n % 10)[rr], nn);
store((n % 10)[rrf], vfloat(nn));
store(n, n + 1);
store(nn, nn + 1);
}
SPMD_WEND
for (uint32_t i = 0; i < 10; i++)
print_vint(rr[i]);
fprintf(pFile, "spmd_foreach 4:\n");
float xxf[32];
int_t xxi[32];
memset(xxf, 0xFF, sizeof(xxf));
memset(xxi, 0xFF, sizeof(xxi));
spmd_foreach(0, 4, [&](const lint_t& index, int pcount)
{
(void)pcount;
store(index[xxf], vfloat(index));
store(index[xxi], vint_t(index));
vfloat k1 = load(index[xxf]);
vint_t k2 = load(index[xxi]);
print_vfloat(k1);
print_vint(k2);
});
print_float_ptr(xxf, 32);
print_int_ptr(xxi, 32);
fprintf(pFile, "spmd_foreach 2:\n");
memset(xxf, 0xFF, sizeof(xxf));
memset(xxi, 0xFF, sizeof(xxi));
spmd_foreach(0, 2, [&](const lint_t& index, int pcount)
{
(void)pcount;
store(index[xxf], vfloat(index));
store(index[xxi], vint_t(index));
vfloat k1 = load(index[xxf]);
vint_t k2 = load(index[xxi]);
print_vfloat(k1);
print_vint(k2);
});
print_float_ptr(xxf, 32);
print_int_ptr(xxi, 32);
fprintf(pFile, "spmd_foreach 6:\n");
memset(xxf, 0xFF, sizeof(xxf));
memset(xxi, 0xFF, sizeof(xxi));
spmd_foreach(0, 6, [&](const lint_t& index, int pcount)
{
(void)pcount;
store(index[xxf], vfloat(index));
store(index[xxi], vint_t(index));
vfloat k1 = load(index[(float*)xxf]);
vint_t k2 = load(index[(const int_t*)xxi]);
vfloat k3 = load(index[(float*)xxf]);
vint_t k4 = load(index[(int_t*)xxi]);
print_vfloat(k1);
print_vint(k2);
print_vfloat(k3);
print_vint(k4);
});
print_float_ptr(xxf, 32);
print_int_ptr(xxi, 32);
fprintf(pFile, "spmd_foreach 7:\n");
memset(xxf, 0xFF, sizeof(xxf));
memset(xxi, 0xFF, sizeof(xxi));
spmd_foreach(0, 7, [&](const lint_t& index, int pcount)
{
(void)pcount;
store(index[xxf], vfloat(index));
store(index[xxi], vint_t(index));
vfloat k1 = load(index[xxf]);
vint_t k2 = load(index[xxi]);
print_vfloat(k1);
print_vint(k2);
});
print_float_ptr(xxf, 32);
print_int_ptr(xxi, 32);
#if !CPPSPMD_INT16
fprintf(pFile, "Casts:\n");
print_vint(cast_vfloat_to_vint(fa));
print_vfloat(cast_vint_to_vfloat(a));
print_vfloat(fa);
print_vfloat(cast_vint_to_vfloat(cast_vfloat_to_vint(fa)));
print_vint(b);
print_vint(cast_vfloat_to_vint(cast_vint_to_vfloat(b)));
#endif
fprintf(pFile, "Load all int:\n");
//vint_t vii = 0;
print_vint(load_all(a[(const int_t*)av]));
print_vint(load_all(a[(int_t*)av]));
print_vint(load(a[(const int_t*)av]));
print_vint(load(a[(int_t*)av]));
fprintf(pFile, "Load all float:\n");
//vfloat vif = 0;
// load_all/load from const float * using varying indices isn't supported yet.
//print_vfloat(load_all(a[(const float *)fav]));
print_vfloat(load_all(a[(float*)fav]));
//print_vfloat(load(a[(const float *)fav]));
print_vfloat(load(a[(float*)fav]));
fprintf(pFile, "SPMD_FOR:\n");