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#if HAVE_CONFIG_H
# include "config.h"
#endif
/* C and/or system headers */
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* 3rd party headers */
#include <mpi.h>
/* our headers */
#include "comex.h"
#include "comex_impl.h"
/* needed for complex accumulate */
typedef struct {
double real;
double imag;
} DoubleComplex;
typedef struct {
float real;
float imag;
} SingleComplex;
int comex_nbputs(void *src_ptr, int src_stride_ar[/*stride_levels*/],
void *dst_ptr, int dst_stride_ar[/*stride_levels*/],
int count[/*stride_levels+1*/], int stride_levels,
int proc, comex_group_t group,
comex_request_t *hdl)
{
int i, j;
long src_idx, dst_idx; /* index offset of current block position to ptr */
int n1dim; /* number of 1 dim block */
int src_bvalue[7], src_bunit[7];
int dst_bvalue[7], dst_bunit[7];
/* number of n-element of the first dimension */
n1dim = 1;
for(i=1; i<=stride_levels; i++) {
n1dim *= count[i];
}
/* calculate the destination indices */
src_bvalue[0] = 0; src_bvalue[1] = 0; src_bunit[0] = 1; src_bunit[1] = 1;
dst_bvalue[0] = 0; dst_bvalue[1] = 0; dst_bunit[0] = 1; dst_bunit[1] = 1;
for(i=2; i<=stride_levels; i++)
{
src_bvalue[i] = 0;
dst_bvalue[i] = 0;
src_bunit[i] = src_bunit[i-1] * count[i-1];
dst_bunit[i] = dst_bunit[i-1] * count[i-1];
}
/* index mangling */
for(i=0; i<n1dim; i++)
{
src_idx = 0;
dst_idx = 0;
for(j=1; j<=stride_levels; j++)
{
src_idx += (long) src_bvalue[j] * (long) src_stride_ar[j-1];
if((i+1) % src_bunit[j] == 0)
src_bvalue[j]++;
if(src_bvalue[j] > (count[j]-1))
src_bvalue[j] = 0;
}
for(j=1; j<=stride_levels; j++)
{
dst_idx += (long) dst_bvalue[j] * (long) dst_stride_ar[j-1];
if((i+1) % dst_bunit[j] == 0)
dst_bvalue[j]++;
if(dst_bvalue[j] > (count[j]-1))
dst_bvalue[j] = 0;
}
COMEXD_put_nbi((char *)src_ptr + src_idx,
(char *)dst_ptr + dst_idx, count[0], proc);
}
comex_wait_proc(proc, group);
return COMEX_SUCCESS;
}
int comex_nbgets(void *src_ptr, int src_stride_ar[/*stride_levels*/],
void *dst_ptr, int dst_stride_ar[/*stride_levels*/],
int count[/*stride_levels+1*/], int stride_levels,
int proc, comex_group_t group,
comex_request_t *hdl)
{
int i, j;
long src_idx, dst_idx; /* index offset of current block position to ptr */
int n1dim; /* number of 1 dim block */
int src_bvalue[7], src_bunit[7];
int dst_bvalue[7], dst_bunit[7];
/* number of n-element of the first dimension */
n1dim = 1;
for(i=1; i<=stride_levels; i++)
n1dim *= count[i];
/* calculate the destination indices */
src_bvalue[0] = 0; src_bvalue[1] = 0; src_bunit[0] = 1; src_bunit[1] = 1;
dst_bvalue[0] = 0; dst_bvalue[1] = 0; dst_bunit[0] = 1; dst_bunit[1] = 1;
for(i=2; i<=stride_levels; i++)
{
src_bvalue[i] = 0;
dst_bvalue[i] = 0;
src_bunit[i] = src_bunit[i-1] * count[i-1];
dst_bunit[i] = dst_bunit[i-1] * count[i-1];
}
for(i=0; i<n1dim; i++)
{
src_idx = 0;
for(j=1; j<=stride_levels; j++)
{
src_idx += (long) src_bvalue[j] * (long) src_stride_ar[j-1];
if((i+1) % src_bunit[j] == 0)
src_bvalue[j]++;
if(src_bvalue[j] > (count[j]-1))
src_bvalue[j] = 0;
}
dst_idx = 0;
for(j=1; j<=stride_levels; j++)
{
dst_idx += (long) dst_bvalue[j] * (long) dst_stride_ar[j-1];
if((i+1) % dst_bunit[j] == 0)
dst_bvalue[j]++;
if(dst_bvalue[j] > (count[j]-1))
dst_bvalue[j] = 0;
}
COMEXD_get_nbi((char *)src_ptr + src_idx,
(char *)dst_ptr + dst_idx, count[0], proc);
}
COMEXD_waitproc(proc);
return COMEX_SUCCESS;
}
int comex_nbaccs(int datatype, void *scale,
void *src_ptr, int src_stride_ar[/*stride_levels*/],
void *dst_ptr, int dst_stride_ar[/*stride_levels*/],
int count[/*stride_levels+1*/], int stride_levels,
int proc, comex_group_t group,
comex_request_t *hdl)
{
int i, j;
long src_idx, dst_idx; /* index offset of current block position to ptr */
int n1dim; /* number of 1 dim block */
int src_bvalue[7], src_bunit[7];
int dst_bvalue[7], dst_bunit[7];
int sizetogetput;
void *get_buf;
/* number of n-element of the first dimension */
n1dim = 1;
for(i=1; i<=stride_levels; i++)
n1dim *= count[i];
/* calculate the destination indices */
src_bvalue[0] = 0; src_bvalue[1] = 0; src_bunit[0] = 1; src_bunit[1] = 1;
dst_bvalue[0] = 0; dst_bvalue[1] = 0; dst_bunit[0] = 1; dst_bunit[1] = 1;
for(i=2; i<=stride_levels; i++)
{
src_bvalue[i] = 0;
dst_bvalue[i] = 0;
src_bunit[i] = src_bunit[i-1] * count[i-1];
dst_bunit[i] = dst_bunit[i-1] * count[i-1];
}
sizetogetput = count[0];
/* TODO: Can we allocate a temporary buffer like we did for the
* gemini port? */
if (sizetogetput <= l_state.acc_buf_len) {
get_buf = l_state.acc_buf;
}
else {
get_buf = comex_malloc_local(sizetogetput);
}
assert(get_buf);
/* grab the atomics lock */
COMEXD_network_lock(proc);
for(i=0; i<n1dim; i++) {
src_idx = 0;
for(j=1; j<=stride_levels; j++) {
src_idx += (long) src_bvalue[j] * (long) src_stride_ar[j-1];
if((i+1) % src_bunit[j] == 0) {
src_bvalue[j]++;
}
if(src_bvalue[j] > (count[j]-1)) {
src_bvalue[j] = 0;
}
}
dst_idx = 0;
for(j=1; j<=stride_levels; j++) {
dst_idx += (long) dst_bvalue[j] * (long) dst_stride_ar[j-1];
if((i+1) % dst_bunit[j] == 0) {
dst_bvalue[j]++;
}
if(dst_bvalue[j] > (count[j]-1)) {
dst_bvalue[j] = 0;
}
}
comex_get((char *)dst_ptr + dst_idx, l_state.acc_buf,
count[0], proc, group);
#define EQ_ONE_REG(A) ((A) == 1.0)
#define EQ_ONE_CPL(A) ((A).real == 1.0 && (A).imag == 0.0)
#define IADD_REG(A,B) (A) += (B)
#define IADD_CPL(A,B) (A).real += (B).real; (A).imag += (B).imag
#define IADD_SCALE_REG(A,B,C) (A) += (B) * (C)
#define IADD_SCALE_CPL(A,B,C) (A).real += ((B).real*(C).real) - ((B).imag*(C).imag);\
(A).imag += ((B).real*(C).imag) + ((B).imag*(C).real);
#define ACC(WHICH, COMEX_TYPE, C_TYPE) \
if (datatype == COMEX_TYPE) { \
int m; \
int m_lim = count[0]/sizeof(C_TYPE); \
C_TYPE *iterator = (C_TYPE *)get_buf; \
C_TYPE *value = (C_TYPE *)((char *)src_ptr + src_idx); \
C_TYPE calc_scale = *(C_TYPE *)scale; \
if (EQ_ONE_##WHICH(calc_scale)) { \
for (m = 0 ; m < m_lim; ++m) { \
IADD_##WHICH(iterator[m], value[m]); \
} \
} \
else { \
for (m = 0 ; m < m_lim; ++m) { \
IADD_SCALE_##WHICH(iterator[m], value[m], calc_scale); \
} \
} \
} else
ACC(REG, COMEX_ACC_DBL, double)
ACC(REG, COMEX_ACC_FLT, float)
ACC(REG, COMEX_ACC_INT, int)
ACC(REG, COMEX_ACC_LNG, long)
ACC(CPL, COMEX_ACC_DCP, DoubleComplex)
ACC(CPL, COMEX_ACC_CPL, SingleComplex)
{
assert(0);
}
#undef ACC
#undef EQ_ONE_REG
#undef EQ_ONE_CPL
#undef IADD_REG
#undef IADD_CPL
#undef IADD_SCALE_REG
#undef IADD_SCALE_CPL
comex_put((char *)l_state.acc_buf,
(char *)dst_ptr + dst_idx, count[0], proc, group);
}
COMEXD_waitproc(proc);
COMEXD_network_unlock(proc);
if (sizetogetput > l_state.acc_buf_len) {
comex_free_local(get_buf);
}
return COMEX_SUCCESS;
}
int comex_puts(void *src_ptr, int src_stride_ar[/*stride_levels*/],
void *dst_ptr, int dst_stride_ar[/*stride_levels*/],
int count[/*stride_levels+1*/], int stride_levels,
int proc, comex_group_t group)
{
comex_nbputs(src_ptr, src_stride_ar, dst_ptr,
dst_stride_ar, count,stride_levels,proc, group, NULL);
COMEXD_waitproc(proc);
return COMEX_SUCCESS;
}
int comex_gets(void *src_ptr, int src_stride_ar[/*stride_levels*/],
void *dst_ptr, int dst_stride_ar[/*stride_levels*/],
int count[/*stride_levels+1*/], int stride_levels,
int proc, comex_group_t group)
{
comex_nbgets(src_ptr, src_stride_ar, dst_ptr,
dst_stride_ar, count,stride_levels, proc, group, NULL);
COMEXD_waitproc(proc);
return COMEX_SUCCESS;
}
int comex_accs(int datatype, void *scale,
void *src_ptr, int src_stride_ar[/*stride_levels*/],
void *dst_ptr, int dst_stride_ar[/*stride_levels*/],
int count[/*stride_levels+1*/],
int stride_levels, int proc, comex_group_t group)
{
comex_nbaccs(datatype, scale, src_ptr, src_stride_ar,
dst_ptr, dst_stride_ar, count, stride_levels, proc, group, NULL);
COMEXD_waitproc(proc);
return COMEX_SUCCESS;
}
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