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#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <assert.h>
#include "public/adios_types.h"
#include "core/adios_subvolume.h"
// Uncomment to print all data volumes (original, intermediate, and final)
//#define VERBOSE
#define SHIFT argv++; argc--;
#define SHIFT_N(n) argv += n; argc -= n;
static uint64_t prod(int ndims, uint64_t *dims) {
uint64_t prod = 1;
while (ndims) {
prod *= *dims;
ndims--;
dims++;
}
return prod;
}
static void fill_random(int ndims, uint64_t *dims, int *volume) {
int i;
if (ndims == 1) {
for (i = 0; i < *dims; i++)
volume[i] = rand();
} else {
uint64_t stride = prod(ndims - 1, dims + 1);
for (i = 0; i < *dims; i++) {
fill_random(ndims - 1, dims + 1, volume + stride * i);
}
}
}
static void fill(int ndims, uint64_t *dims, int *volume, int fillv) {
int i;
if (ndims == 1) {
for (i = 0; i < *dims; i++)
volume[i] = fillv;
} else {
uint64_t stride = prod(ndims - 1, dims + 1);
for (i = 0; i < *dims; i++) {
fill(ndims - 1, dims + 1, volume + stride * i, fillv);
}
}
}
static void fill_subvolume(int ndims, uint64_t *dims, int *volume, uint64_t *offsets, uint64_t *filldims, int fillv) {
int i;
if (ndims == 1) {
for (i = *offsets; i < *offsets + *filldims; i++)
volume[i] = fillv;
} else {
uint64_t stride = prod(ndims - 1, dims + 1);
for (i = *offsets; i < *offsets + *filldims; i++) {
fill_subvolume(ndims - 1, dims + 1, volume + stride * i, offsets + 1, filldims + 1, fillv);
}
}
}
static void printvolume(int ndims, uint64_t *dims, int *volume, int indent) {
int i, j;
if (ndims == 1) {
for (j = 0; j < indent; j++)
printf(" ");
printf("[");
for (i = 0; i < *dims; i++)
printf(" %x", volume[i]);
printf(" ]\n");
} else {
uint64_t stride = prod(ndims - 1, dims + 1);
for (j = 0; j < indent; j++)
printf(" ");
printf("[\n");
for (i = 0; i < *dims; i++) {
printvolume(ndims - 1, dims + 1, volume + stride * i, indent + 2);
}
for (j = 0; j < indent; j++)
printf(" ");
printf("]\n");
}
}
char *cmd;
static void usage_and_exit() {
fprintf(stderr, "Usage: %s <ndims> <num volumes> <subvolume dims ...> <volume 1 dims ...> ... <volume N dims ...>\n", cmd);
exit(1);
}
int runtest(int argc, char **argv) {
int ndims, nvolumes;
uint64_t *subvolume_dims;
uint64_t *volume_dims, *volume_offsets;
int **volumes;
int *final_volume;
int i, j;
cmd = *argv;
SHIFT;
if (argc < 2) usage_and_exit();
ndims = atoi(argv[0]);
nvolumes = atoi(argv[1]);
SHIFT_N(2);
if (argc < 2 * ndims * nvolumes + ndims) usage_and_exit();
#ifdef VERBOSE
printf("Using %d-dimensional space with %d volumes\n", ndims, nvolumes);
#endif
subvolume_dims = malloc(ndims * sizeof(uint64_t));
volume_dims = malloc(nvolumes * ndims * sizeof(uint64_t));
volume_offsets = malloc(nvolumes * ndims * sizeof(uint64_t));
volumes = malloc(nvolumes * sizeof(int*));
#ifdef VERBOSE
printf("Subvolume dimensions:");
#endif
for (i = 0; i < ndims; i++) {
subvolume_dims[i] = atoll(argv[i]);
#ifdef VERBOSE
printf(" %llu", subvolume_dims[i]);
#endif
}
#ifdef VERBOSE
printf("\n");
#endif
SHIFT_N(ndims);
for (i = 0; i < nvolumes; i++) {
#ifdef VERBOSE
printf("Volume %d:\n", i);
#endif
#ifdef VERBOSE
printf(" Dimensions:");
#endif
for (j = 0; j < ndims; j++) {
volume_dims[i * ndims + j] = atoll(argv[j]);
#ifdef VERBOSE
printf(" %llu", volume_dims[i * ndims + j]);
#endif
}
#ifdef VERBOSE
printf("\n");
#endif
SHIFT_N(ndims);
#ifdef VERBOSE
printf(" Offsets:");
#endif
for (j = 0; j < ndims; j++) {
volume_offsets[i * ndims + j] = atoll(argv[j]);
#ifdef VERBOSE
printf(" %llu", volume_offsets[i * ndims + j]);
#endif
assert(volume_offsets[i * ndims + j] + subvolume_dims[j] <= volume_dims[i * ndims + j]);
}
#ifdef VERBOSE
printf("\n");
#endif
SHIFT_N(ndims);
volumes[i] = malloc(prod(ndims, volume_dims + i*ndims) * sizeof(int));
fill(ndims, volume_dims + i*ndims, volumes[i], i);
//printvolume(ndims, volume_dims + i*ndims, volumes[i], 0);
}
// final_volume = first volume, but with garbage filled into the subvolume to copy
final_volume = malloc(prod(ndims, volume_dims + 0*ndims) * sizeof(int));
memcpy(final_volume, volumes[0], prod(ndims, volume_dims + 0*ndims));
fill_subvolume(ndims, volume_dims + 0*ndims, final_volume, volume_offsets + 0*ndims, subvolume_dims, -1);
#ifdef VERBOSE
printf("--- Final volume before copy:\n");
printvolume(ndims, volume_dims + 0*ndims, final_volume, 0);
printf("----------\n");
#endif
#ifdef VERBOSE
printf("--- Volume 0:\n");
printvolume(ndims, volume_dims + 0*ndims, volumes[0], 0);
printf("----------\n");
#endif
for (i = 1; i < nvolumes; i++) {
#ifdef VERBOSE
printf("Copying subvolume from volume %d to %d\n", i-1 + 1, i + 1);
#endif
copy_subvolume(volumes[i], volumes[i-1], ndims, subvolume_dims,
volume_dims + i*ndims, volume_offsets + i*ndims,
volume_dims + (i-1)*ndims, volume_offsets + (i-1)*ndims,
adios_integer, adios_flag_no);
#ifdef VERBOSE
printf("--- Volume %d:\n", i);
printvolume(ndims, volume_dims + i*ndims, volumes[i], 0);
printf("----------\n");
#endif
}
#ifdef VERBOSE
printf("Copying subvolume from volume %d to replica of volume 1\n", nvolumes);
#endif
copy_subvolume(final_volume, volumes[nvolumes-1], ndims, subvolume_dims,
volume_dims + 0*ndims, volume_offsets + 0*ndims,
volume_dims + (nvolumes-1)*ndims, volume_offsets + (nvolumes-1)*ndims,
adios_integer, adios_flag_no);
#ifdef VERBOSE
printf("--- Final volume:\n", i);
printvolume(ndims, volume_dims + 0*ndims, final_volume, 0);
printf("----------\n");
#endif
#ifdef VERBOSE
printf("Comparing volume 0 and its replica after copy operations...\n");
#endif
int success = (memcmp(volumes[0], final_volume, prod(ndims, volume_dims + 0*ndims)) == 0);
if (success) {
printf("Success!\n");
return 0;
} else {
printf("Failed!\n");
return 1;
}
}
#include <string.h>
int runtest_helper(const char *cmdline) {
int argc = 0;
char *argv[256];
char *cmdline_tmp = strdup(cmdline);
do {
argv[argc] = strtok(argc == 0 ? cmdline_tmp : NULL, " \t");
} while (argv[argc++]);
argc--;
#ifdef VERBOSE
printf("argc = %d\n", argc);
#endif
int ret = runtest(argc, argv);
free(cmdline_tmp);
return ret;
}
int main(int argc, char **argv) {
if (argc == 1) {
printf("Running copy_volume tests...\n");
printf("Test 1...\n");
int ret = runtest_helper(
"dummycmd 2 4 " \
"10 10 " \
"10 10 " "0 0 " \
"20 20 " "5 5 " \
"10 20 " "0 0 " \
"20 10 " "0 0 ");
if (ret != 0)
return ret;
return 0;
} else {
return runtest(argc, argv);
}
}
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