redgpu/ispc: Intel® Implicit SPMD Program Compiler

tests/rdrand-4.ispc

30 строк740 B

Dmitry Babokin

Remove debug prints under ISPC_TARGET_GENX from tests, they were not working anyway

31 авг 2021, 02:47

31 авг 2021, 02:47ec21285

#include "../test_static.isph"
task void f_f(uniform float RET[], uniform float aFOO[]) {
#ifndef ISPC_HAS_RAND
    RET[programIndex] = 0;
#else

    uniform int set[64] = { 0 };
    uniform int count = 1024*1024;
    for (uniform int i = 0; i < count; ++i) {
        uniform int64 r;
        while (!rdrand(&r))
            ;
        for (uniform int b = 0; b < 64; ++b)
            if (((unsigned int64)r >> b) & 1)
                ++set[b];
    }

    RET[programIndex] = 0;
    for (uniform int b = 0; b < 64; ++b)  {
        float r = (double)set[b] / (double)(count);
        if (!(r >= .49 && r < .51)) {
            ++RET[programIndex];
        }
    }
#endif
}

task void result(uniform float RET[]) {
    RET[programIndex] = 0;
}