Nicolas Winkler 5 gadi atpakaļ
vecāks
revīzija
4379c5720d

+ 1 - 0
libmandel/CMakeLists.txt

@@ -36,6 +36,7 @@ SET(MandelSources
     src/Types.cpp
     src/OpenClCode.cpp
     src/JuliaGenerators.cpp
+    src/IterationGenerator.cpp
 )
 FILE(GLOB MandelHeaders include/*.h)
 

+ 45 - 0
libmandel/include/IterationFormula.h

@@ -0,0 +1,45 @@
+#ifndef MANDEL_ITERATIONFORMULA_H
+#define MANDEL_ITERATIONFORMULA_H
+
+
+namespace mnd
+{
+    struct IterationFormula;
+
+    struct Addition;
+    struct Multiplication;
+    struct Division;
+    struct Pow;
+}
+
+
+struct mnd::IterationFormula
+{
+};
+
+
+struct mnd::Addition : IterationFormula
+{
+    bool subtraction = false;
+};
+
+
+struct mnd::Multiplication : IterationFormula
+{
+};
+
+
+struct mnd::Division : IterationFormula
+{
+};
+
+
+struct mnd::Pow : IterationFormula
+{
+};
+
+
+
+#endif // MANDEL_ITERATIONFORMULA_H
+
+

+ 22 - 0
libmandel/include/IterationGenerator.h

@@ -0,0 +1,22 @@
+#ifndef MANDEL_ITERATIONGENERATOR_H
+#define MANDEL_ITERATIONGENERATOR_H
+
+#include "Generators.h"
+
+
+namespace mnd
+{
+    class IterationGenerator;
+}
+
+
+class mnd::IterationGenerator : public mnd::MandelGenerator
+{
+    IterationFormula itf;
+public:
+    IterationGenerator(const IterationFormula& itf, const mnd::Real& prec);
+};
+
+
+#endif // MANDEL_ITERATIONGENERATOR_H
+

+ 4 - 4
libmandel/src/CpuGeneratorsAVXFMA.cpp

@@ -65,9 +65,9 @@ void CpuGenerator<float, mnd::X86_AVX_FMA, parallel>::generate(const mnd::Mandel
             for (int k = 0; k < info.maxIter; k++) {
                 if ((k & 0xF) == 0) {
                     __m256 bb = _mm256_mul_ps(b, b);
-                    __m256 abab = _mm256_mul_ps(a, b); //abab = _mm256_add_ps(abab, abab);
+                    __m256 ab = _mm256_mul_ps(a, b); //abab = _mm256_add_ps(abab, abab);
                     a = _mm256_fmsub_ps(a, a, _mm256_fmsub_ps(b, b, cx));
-                    b = _mm256_fmadd_ps(two, abab, cy);
+                    b = _mm256_fmadd_ps(two, ab, cy);
                     __m256 cmp = _mm256_cmp_ps(_mm256_fmadd_ps(a, a, _mm256_mul_ps(b, b)), threshold, _CMP_LE_OQ);
                     if (info.smooth) {
                         resultsa = _mm256_or_ps(_mm256_andnot_ps(cmp, resultsa), _mm256_and_ps(cmp, a));
@@ -82,9 +82,9 @@ void CpuGenerator<float, mnd::X86_AVX_FMA, parallel>::generate(const mnd::Mandel
                 else {
                     //__m256 aa = _mm256_mul_ps(a, a);
                     __m256 bb = _mm256_mul_ps(b, b);
-                    __m256 abab = _mm256_mul_ps(a, b); //abab = _mm256_add_ps(abab, abab);
+                    __m256 ab = _mm256_mul_ps(a, b); //abab = _mm256_add_ps(abab, abab);
                     a = _mm256_fmsub_ps(a, a, _mm256_fmsub_ps(b, b, cx));
-                    b = _mm256_fmadd_ps(two, abab, cy);
+                    b = _mm256_fmadd_ps(two, ab, cy);
                     __m256 cmp = _mm256_cmp_ps(_mm256_fmadd_ps(a, a, _mm256_mul_ps(b, b)), threshold, _CMP_LE_OQ);
                     if (info.smooth) {
                         resultsa = _mm256_or_ps(_mm256_andnot_ps(cmp, resultsa), _mm256_and_ps(cmp, a));

+ 18 - 0
libmandel/src/IterationGenerator.cpp

@@ -0,0 +1,18 @@
+#include "IterationGenerator.h"
+
+
+using mnd::IterationGenerator;
+using mnd::IterationFormula;
+
+
+IterationGenerator::IterationGenerator(const IterationFormula& itf,
+                                       const mnd::Real& prec) :
+    mnd::MandelGenrator{ prec },
+    itf{ itf }
+{
+}
+
+
+
+
+

+ 4 - 4
libmandel/src/opencl/float.cl

@@ -35,8 +35,8 @@ __kernel void iterate_vec4(__global float* A, const int width, float xl, float y
    int y = index / width;
    float4 a = (float4) (x * pixelScaleX + xl, (x + 1) * pixelScaleX + xl, (x + 2) * pixelScaleX + xl, (x + 3) * pixelScaleX + xl);
    float4 b = (float4) (y * pixelScaleY + yt);
-   float4 ca = julia != 0 ? ((float4)(juliaX)) : a;
-   float4 cb = julia != 0 ? ((float4)(juliaX)) : a;
+   float4 ca = julia ? ((float4)(juliaX)) : a;
+   float4 cb = julia ? ((float4)(juliaY)) : b;
    float4 resa = a;
    float4 resb = b;
    int4 count = (int4)(0);
@@ -50,8 +50,8 @@ __kernel void iterate_vec4(__global float* A, const int width, float xl, float y
            if (!any(cmp)) break;
            a = fma(a, a, -fma(b, b, -ca));
            b = fma(2, ab, cb);
-           resa = as_float4(as_int4(a) & cmp | (as_int4(resa) & ~cmp));
-           resb = as_float4(as_int4(b) & cmp | (as_int4(resb) & ~cmp));
+           resa = as_float4((as_int4(a) & cmp) | (as_int4(resa) & ~cmp));
+           resb = as_float4((as_int4(b) & cmp) | (as_int4(resb) & ~cmp));
            count += cmp & (int4)(1);
            n++;
        }

+ 182 - 189
libmandel/src/opencl/float.h

@@ -13,212 +13,205 @@ unsigned char float_cl[] = {
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 };
-unsigned int float_cl_len = 2649;
+unsigned int float_cl_len = 2564;