198 lines
7.9 KiB
C
Executable File
198 lines
7.9 KiB
C
Executable File
#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <ctype.h>
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/*Program used to generate union2.cu and union2.h. A new pointer and all its operations are generated for each set (pairs, triplets, etc.).
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Arguments are the cardinality of the biggest set and the name of the cuda file. For example, executing "creator2 20 union2" will generate
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all pointers and operations for all sets from 1 to 20 in the files union2.cu and union2.h.*/
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int main(int argc, char *argv[])
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{
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int num = atoi(argv[1]);
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int x;
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char *str = (char *)malloc((strlen(argv[2]) + 4) * sizeof(char));
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sprintf(str, "%s.cu", argv[2]);
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FILE *cuda = fopen(str, "w");
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fprintf(cuda, "/*Computer generated file to remove duplicates. Since Thrust's unique and sort, unlike their std's counterparts, don't have a way to specify the size of each element in\n");
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fprintf(cuda, "the array, comparing pairs, triplets and other sets is not possible without defining a new pointer and all related operations for each set. If you have a better idea to do\n");
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fprintf(cuda, "this, please don't hesitate to email us.*/\n\n");
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fprintf(cuda, "#include <thrust/device_vector.h>\n");
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fprintf(cuda, "#include <thrust/unique.h>\n");
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fprintf(cuda, "#include <thrust/distance.h>\n");
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fprintf(cuda, "#include <thrust/sort.h>\n");
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fprintf(cuda, "#include <iostream>\n");
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fprintf(cuda, "#include \"memory.h\"\n");
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fprintf(cuda, "#include \"%s.h\"\n\n", argv[2]);
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fprintf(cuda, "int unir(int *res, int rows, int tipo, int **ret, int final)\n");
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fprintf(cuda, "{\n");
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fprintf(cuda, "\tthrust::device_ptr<int> pt, re;\n");
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for(x = 2; x <= num; x++)
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fprintf(cuda, "\tthrust::device_ptr<s%d> pt%d, re%d;\n", x, x ,x);
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for(x = 2; x <= num; x++)
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fprintf(cuda, "\ts%d *t%d;\n", x, x);
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fprintf(cuda, "\tint flag, nrows, *nres, size;\n\n");
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fprintf(cuda, "#if TIMER\n");
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fprintf(cuda, "\tcuda_stats.unions++;\n");
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fprintf(cuda, "#endif\n\n");
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fprintf(cuda, "\tswitch(tipo)\n");
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fprintf(cuda, "\t{\n");
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fprintf(cuda, "\t\tcase 1:\n");
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fprintf(cuda, "\t\t{\n");
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fprintf(cuda, "\t\t\tpt = thrust::device_pointer_cast(res);\n");
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fprintf(cuda, "\t\t\tflag = 0;\n");
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fprintf(cuda, "\t\t\twhile(flag != 1)\n");
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fprintf(cuda, "\t\t\t{\n");
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fprintf(cuda, "\t\t\t\ttry\n");
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fprintf(cuda, "\t\t\t\t{\n");
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fprintf(cuda, "\t\t\t\t\tthrust::sort(pt, pt + rows);\n");
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fprintf(cuda, "\t\t\t\t\tif(final)\n");
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fprintf(cuda, "\t\t\t\t\t{\n");
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fprintf(cuda, "\t\t\t\t\t\tre = thrust::unique(pt, pt + rows, q1());\n");
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fprintf(cuda, "\t\t\t\t\t\tre = thrust::unique(pt, re);\n");
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fprintf(cuda, "\t\t\t\t\t}\n");
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fprintf(cuda, "\t\t\t\t\telse\n");
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fprintf(cuda, "\t\t\t\t\t\tre = thrust::unique(pt, pt + rows);\n");
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fprintf(cuda, "\t\t\t\t\tflag = 1;\n");
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fprintf(cuda, "\t\t\t\t}\n");
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fprintf(cuda, "\t\t\t\tcatch(std::bad_alloc &e)\n");
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fprintf(cuda, "\t\t\t\t{\n");
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fprintf(cuda, "\t\t\t\t\tlimpiar(\"sort/unique in unir\", 0);\n");
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fprintf(cuda, "\t\t\t\t}\n");
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fprintf(cuda, "\t\t\t}\n");
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fprintf(cuda, "\t\t\tnrows = thrust::distance(pt, re);\n");
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fprintf(cuda, "\t\t\tif(nrows < rows / 2)\n");
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fprintf(cuda, "\t\t\t{\n");
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fprintf(cuda, "\t\t\t\tsize = nrows * tipo * sizeof(int);\n");
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fprintf(cuda, "\t\t\t\treservar(&nres, size);\n");
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fprintf(cuda, "\t\t\t\tcudaMemcpyAsync(nres, res, size, cudaMemcpyDeviceToDevice);\n");
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fprintf(cuda, "\t\t\t\tcudaFree(*ret);\n");
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fprintf(cuda, "\t\t\t\t*ret = nres;\n");
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fprintf(cuda, "\t\t\t}\n");
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fprintf(cuda, "\t\t\treturn nrows;\n");
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fprintf(cuda, "\t\t}\n");
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for(x = 2; x <= num; x++)
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{
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fprintf(cuda, "\t\tcase %d:\n", x);
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fprintf(cuda, "\t\t{\n");
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fprintf(cuda, "\t\t\tt%d = (s%d*)res;\n", x, x);
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fprintf(cuda, "\t\t\tpt%d = thrust::device_pointer_cast(t%d);\n", x, x);
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fprintf(cuda, "\t\t\tflag = 0;\n");
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fprintf(cuda, "\t\t\twhile(flag != 1)\n");
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fprintf(cuda, "\t\t\t{\n");
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fprintf(cuda, "\t\t\t\ttry\n");
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fprintf(cuda, "\t\t\t\t{\n");
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fprintf(cuda, "\t\t\t\t\tthrust::sort(pt%d, pt%d + rows, o%d());\n", x, x, x);
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fprintf(cuda, "\t\t\t\t\tif(final)\n");
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fprintf(cuda, "\t\t\t\t\t{\n");
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fprintf(cuda, "\t\t\t\t\t\tre%d = thrust::unique(pt%d, pt%d + rows, q%d());\n", x, x, x, x);
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fprintf(cuda, "\t\t\t\t\t\tre%d = thrust::unique(pt%d, re%d, p%d());\n", x, x, x, x);
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fprintf(cuda, "\t\t\t\t\t}\n");
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fprintf(cuda, "\t\t\t\t\telse\n");
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fprintf(cuda, "\t\t\t\t\t\tre%d = thrust::unique(pt%d, pt%d + rows, p%d());\n", x, x, x, x);
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fprintf(cuda, "\t\t\t\t\tflag = 1;\n");
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fprintf(cuda, "\t\t\t\t}\n");
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fprintf(cuda, "\t\t\t\tcatch(std::bad_alloc &e)\n");
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fprintf(cuda, "\t\t\t\t{\n");
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fprintf(cuda, "\t\t\t\t\tlimpiar(\"sort/unique in unir\", 0);\n");
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fprintf(cuda, "\t\t\t\t}\n");
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fprintf(cuda, "\t\t\t}\n");
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fprintf(cuda, "\t\t\tnrows = thrust::distance(pt%d, re%d);\n", x, x);
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fprintf(cuda, "\t\t\tif(nrows < rows / 2)\n");
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fprintf(cuda, "\t\t\t{\n");
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fprintf(cuda, "\t\t\t\tsize = nrows * tipo * sizeof(int);\n");
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fprintf(cuda, "\t\t\t\treservar(&nres, size);\n");
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fprintf(cuda, "\t\t\t\tcudaMemcpyAsync(nres, res, size, cudaMemcpyDeviceToDevice);\n");
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fprintf(cuda, "\t\t\t\tcudaFree(*ret);\n");
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fprintf(cuda, "\t\t\t\t*ret = nres;\n");
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fprintf(cuda, "\t\t\t}\n");
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fprintf(cuda, "\t\t\treturn nrows;\n");
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fprintf(cuda, "\t\t}\n");
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}
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fprintf(cuda, "\t}\n");
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fprintf(cuda, "\treturn 0;\n");
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fprintf(cuda, "}\n");
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fclose(cuda);
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sprintf(str, "%s.h", argv[2]);
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cuda = fopen(str, "w"); /*tipo de archivo cambiar*/
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fprintf(cuda, "#ifndef _");
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for(x = 0; x < strlen(argv[2]); x++)
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fprintf(cuda, "%c", toupper(argv[2][x]));
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fprintf(cuda, "_H_\n");
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fprintf(cuda, "#define _");
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for(x = 0; x < strlen(argv[2]); x++)
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fprintf(cuda, "%c", toupper(argv[2][x]));
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fprintf(cuda, "_H_\n\n");
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fprintf(cuda, "int unir(int *res, int rows, int tipo, int **ret, int final);\n\n");
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for(x = 2; x <= num; x++)
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{
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fprintf(cuda, "typedef struct n%d\n", x);
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fprintf(cuda, "{\n");
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fprintf(cuda, "\tint v[%d];\n", x);
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fprintf(cuda, "}s%d;\n\n", x);
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}
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fprintf(cuda, "struct q1\n");
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fprintf(cuda, "{\n");
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fprintf(cuda, "\t__host__ __device__\n");
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fprintf(cuda, "\tbool operator()(const int &r1, const int &r2)\n");
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fprintf(cuda, "\t{\n");
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fprintf(cuda, "\t\tif(r1 != r2)\n");
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fprintf(cuda, "\t\t\treturn true;\n");
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fprintf(cuda, "\t\treturn false;\n");
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fprintf(cuda, "\t}\n");
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fprintf(cuda, "};\n\n");
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for(x = 2; x <= num; x++)
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{
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fprintf(cuda, "struct p%d\n", x);
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fprintf(cuda, "{\n");
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fprintf(cuda, "\t__host__ __device__\n");
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fprintf(cuda, "\tbool operator()(const s%d &r1, const s%d &r2)\n", x, x);
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fprintf(cuda, "\t{\n");
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fprintf(cuda, "\t\tint x;\n");
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fprintf(cuda, "\t\tfor(x = 0; x < %d; x++)\n", x);
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fprintf(cuda, "\t\t{\n");
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fprintf(cuda, "\t\t\tif(r1.v[x] != r2.v[x])\n");
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fprintf(cuda, "\t\t\t\treturn false;\n");
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fprintf(cuda, "\t\t}\n");
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fprintf(cuda, "\t\treturn true;\n");
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fprintf(cuda, "\t}\n");
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fprintf(cuda, "};\n\n");
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fprintf(cuda, "struct q%d\n", x);
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fprintf(cuda, "{\n");
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fprintf(cuda, "\t__host__ __device__\n");
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fprintf(cuda, "\tbool operator()(const s%d &r1, const s%d &r2)\n", x, x);
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fprintf(cuda, "\t{\n");
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fprintf(cuda, "\t\tint x;\n");
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fprintf(cuda, "\t\tfor(x = 0; x < %d; x++)\n", x);
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fprintf(cuda, "\t\t{\n");
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fprintf(cuda, "\t\t\tif(r1.v[x] != r2.v[x])\n");
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fprintf(cuda, "\t\t\t\treturn true;\n");
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fprintf(cuda, "\t\t}\n");
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fprintf(cuda, "\t\treturn false;\n");
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fprintf(cuda, "\t}\n");
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fprintf(cuda, "};\n\n");
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fprintf(cuda, "struct o%d\n", x);
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fprintf(cuda, "{\n");
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fprintf(cuda, "\t__host__ __device__\n");
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fprintf(cuda, "\tbool operator()(const s%d &r1, const s%d &r2)\n", x, x);
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fprintf(cuda, "\t{\n");
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fprintf(cuda, "\t\tint x;\n");
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fprintf(cuda, "\t\tfor(x = 0; x < %d; x++)\n", x);
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fprintf(cuda, "\t\t{\n");
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fprintf(cuda, "\t\t\tif(r1.v[x] > r2.v[x])\n");
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fprintf(cuda, "\t\t\t\treturn true;\n");
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fprintf(cuda, "\t\t\tif(r1.v[x] < r2.v[x])\n");
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fprintf(cuda, "\t\t\t\treturn false;\n");
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fprintf(cuda, "\t\t}\n");
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fprintf(cuda, "\t\treturn false;\n");
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fprintf(cuda, "\t}\n");
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fprintf(cuda, "};\n\n");
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}
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fprintf(cuda, "#endif\n");
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fclose(cuda);
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free(str);
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}
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