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squdistaccel.cu
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squdistaccel.cu
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// Copyright 2011-2012 Justus Sagemüller.
// This file is part of the Cqtx library.
//This library is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this library. If not, see <http://www.gnu.org/licenses/>.
#include "squdistaccel.hcu"
#include<stdlib.h>
#include<stdio.h>
int cudaFnToMeasureseqSquaredistCalcHandle_bad
( const cudaFnToMeasureseqSquaredistCalcHandle* handle ) {
return handle->fixed_params.cudastat != cudaSuccess
|| handle->fixed_params.cublasstat != CUBLAS_STATUS_SUCCESS;
}
void print_cublas_status_message(const cublasStatus_t& stat) {
switch (stat) {
case CUBLAS_STATUS_SUCCESS : printf("CUBLAS_STATUS_SUCCESS" ); break;
case CUBLAS_STATUS_NOT_INITIALIZED : printf("CUBLAS_STATUS_NOT_INITIALIZED" ); break;
case CUBLAS_STATUS_ALLOC_FAILED : printf("CUBLAS_STATUS_ALLOC_FAILED" ); break;
case CUBLAS_STATUS_INVALID_VALUE : printf("CUBLAS_STATUS_INVALID_VALUE" ); break;
case CUBLAS_STATUS_ARCH_MISMATCH : printf("CUBLAS_STATUS_ARCH_MISMATCH" ); break;
case CUBLAS_STATUS_MAPPING_ERROR : printf("CUBLAS_STATUS_MAPPING_ERROR" ); break;
case CUBLAS_STATUS_EXECUTION_FAILED : printf("CUBLAS_STATUS_EXECUTION_FAILED" ); break;
case CUBLAS_STATUS_INTERNAL_ERROR : printf("CUBLAS_STATUS_INTERNAL_ERROR" ); break;
default : printf("CUBLAS_STATUS_UNKNOWN" );
}
}
void cudaFnToMeasureseqSquaredistCalcHandle_printerrmsg
(const cudaFnToMeasureseqSquaredistCalcHandle* handle){
if(handle->fixed_params.cudastat != cudaSuccess)
printf("CUDA error: %s\n", cudaGetErrorString(handle->fixed_params.cudastat));
if(handle->fixed_params.cublasstat != CUBLAS_STATUS_SUCCESS)
print_cublas_status_message(handle->fixed_params.cublasstat);
}
/*
void watch_h(const cudastoredMeasureseqRepHandle* fixed) {
double* peakprev = (double*) malloc(fixed->n_measures * sizeof(double));
double* peakprev1 = (double*) malloc(fixed->n_measures * sizeof(double));
printf("Inspect, %d values...\n", fixed->n_measures);
cublasGetVector(fixed->n_measures, sizeof(double), fixed->measurevalseqs[0], 1, peakprev, 1);
cublasGetVector(fixed->n_measures, sizeof(double), fixed->measurevalseqs[1], 1, peakprev1, 1);
for(int k=0; k<fixed->n_measures; ++k) printf("%f\t @ %f\n", peakprev[k], peakprev1[k]);
free(peakprev); free(peakprev1);
}
*/
cudaFnToMeasureseqSquaredistCalcHandle new_cudaFnToMeasureseqSquaredistCalcHandle
( const double** fixed_params
, const double** fixed_prmsuncrts
, const double* returncomps
, const double* returnuncrts
, unsigned n_measures
, unsigned n_fixedparams, unsigned n_fixedprmsuncrts
, unsigned n_fitparams
, cudaNonlinSqdistEvalFunction evalfunction
, const cublasHandle_t* cublashandle ) {
/* printf("Creating squaredist-accelerator over %d measures with %d fixed parameters, and %d variables...\n", n_measures, n_fixedparams, n_fitparams);
printf("Namely:\n");
for(int k=0; k<n_measures; ++k) printf("%f \t@ %f\n", returncomps[k], fixed_params[0][k]);*/
cudaFnToMeasureseqSquaredistCalcHandle handle;
handle.fixed_params.cublashandle = cublashandle;
handle.fixed_params.n_measures = n_measures;
handle.n_fitparams = n_fitparams;
handle.sqdist_function = evalfunction;
handle.fixed_params.cublasstat = CUBLAS_STATUS_SUCCESS;
int n_staticstore = 1 + n_fixedparams + !!returnuncrts + n_fixedprmsuncrts;
double** fixedval_arrays
= (double**) malloc(n_staticstore * sizeof(double*));
if(!fixedval_arrays) handle.fixed_params.cudastat = cudaErrorMemoryAllocation;
//printf("Allocate function-ret-val-buffer...\n");
if(fixedval_arrays)
handle.fixed_params.cudastat
= cudaMalloc( (void**)&handle.fixed_params.fnresbuffer
, n_measures * sizeof(double) );
handle.fixed_params.n_valspermeasure = 0;
for( unsigned i=0
; i<n_staticstore && handle.fixed_params.cudastat==cudaSuccess && handle.fixed_params.cublasstat == CUBLAS_STATUS_SUCCESS
; ++i ) {
//printf("Allocate measure sequence...\n");
handle.fixed_params.cudastat
= cudaMalloc( (void**)&fixedval_arrays[i]
, n_measures * sizeof(double) );
if(handle.fixed_params.cudastat==cudaSuccess) {
const double* srcdataloc
= i == 0 ?
returncomps :(
returnuncrts && i==1+n_fixedparams ?
returnuncrts :(
i < n_fixedparams + 1 ?
fixed_params[i-1] :(
i >= 1 + n_fixedparams + !!returnuncrts ?
fixed_prmsuncrts[i - (1+n_fixedparams+!!returnuncrts)] :NULL)));
//printf("Fill measure sequence...\n");
handle.fixed_params.cublasstat
= cublasSetVector( n_measures, sizeof(double)
, srcdataloc
, 1
, fixedval_arrays[i]
, 1 );
handle.fixed_params.n_valspermeasure = i+1;
}
}
handle.fixed_params.measurevalseqs = fixedval_arrays;
return handle;
}
cudaFnToMeasureseqSquaredistCalcHandle copy_cudaFnToMeasureseqSquaredistCalcHandle
( cudaFnToMeasureseqSquaredistCalcHandle* cpy ) {
cudaFnToMeasureseqSquaredistCalcHandle handle = *cpy;
// printf("Copying squaredist-accelerator over %d measures with %d fixed parameters (including return comp.), and %d variables...\n", handle.fixed_params.n_measures, handle.fixed_params.n_valspermeasure, handle.n_fitparams);
handle.fixed_params.cublasstat = CUBLAS_STATUS_SUCCESS;
double** fixedval_arrays
= (double**) malloc(handle.fixed_params.n_valspermeasure * sizeof(double*));
if(!fixedval_arrays) handle.fixed_params.cudastat = cudaErrorMemoryAllocation;
else handle.fixed_params.cudastat
= cudaMalloc( (void**)&handle.fixed_params.fnresbuffer
, handle.fixed_params.n_measures * sizeof(double) );
handle.fixed_params.n_valspermeasure = 0;
for( unsigned i=0
; i<cpy->fixed_params.n_valspermeasure && handle.fixed_params.cudastat==cudaSuccess && handle.fixed_params.cublasstat == CUBLAS_STATUS_SUCCESS
; ++i ) {
handle.fixed_params.cudastat
= cudaMalloc( (void**)&fixedval_arrays[i]
, handle.fixed_params.n_measures * sizeof(double) );
if(handle.fixed_params.cudastat==cudaSuccess) {
handle.fixed_params.cublasstat
= cublasDcopy( *handle.fixed_params.cublashandle
, handle.fixed_params.n_measures
, cpy->fixed_params.measurevalseqs[i]
, 1
, fixedval_arrays[i]
, 1 );
handle.fixed_params.n_valspermeasure = i+1;
}
}
handle.fixed_params.measurevalseqs = fixedval_arrays;
return handle;
}
void delete_cudaFnToMeasureseqSquaredistCalcHandle
( cudaFnToMeasureseqSquaredistCalcHandle* handle ) {
// printf("Deleting squaredist-accelerator over %d measures with %d fixed parameters, and %d variables...\n", handle->fixed_params.n_measures, handle->fixed_params.n_valspermeasure, handle->n_fitparams);
for( unsigned i=0; i<handle->fixed_params.n_valspermeasure; ++i )
cudaFree((void*) handle->fixed_params.measurevalseqs[i] );
free((void*)handle->fixed_params.measurevalseqs);
cudaFree((void*) handle->fixed_params.fnresbuffer);
}
cudaFnToMeasureseqSquaredistCalcHandle null_cudaFnToMeasureseqSquaredistCalcHandle() {
cudaFnToMeasureseqSquaredistCalcHandle handle;
handle.fixed_params.cublashandle = NULL;
handle.fixed_params.n_measures = 0;
handle.fixed_params.n_valspermeasure = 0;
handle.n_fitparams = 0;
handle.sqdist_function = NULL;
handle.fixed_params.measurevalseqs = NULL;
return handle;
}
#if 0
void nullify_cudaFnToMeasureseqSquaredistCalcHandle
( cudaFnToMeasureseqSquaredistCalcHandle* handle ) {
for( unsigned i=0; i<handle->fixed_params.n_valspermeasure; ++i )
handle->fixed_params.measurevalseqs[i] = NULL;
handle->fixed_params.measurevalseqs = NULL;
handle->fixed_params.fnresbuffer = NULL;
}
#endif
double evaluate_cudaFnToMeasureseqSquaredistCalc
( cudaFnToMeasureseqSquaredistCalcHandle* handle
, const double* fitparams ) {
if(!cudaFnToMeasureseqSquaredistCalcHandle_bad(handle))
return handle->sqdist_function(&handle->fixed_params, fitparams);
return -1;
}