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[diderot] View of /benchmarks/programs/lic2d/bmark-teem.c
 [diderot] / benchmarks / programs / lic2d / bmark-teem.c

# View of /benchmarks/programs/lic2d/bmark-teem.c

Mon Nov 7 08:58:12 2011 UTC (10 years, 8 months ago) by nseltzer
File size: 9099 byte(s)
```Fixed the benchmark.
```
```/*! \file /lic2d/bmark-teem.c
*
* \author Nick Seltzer and Gordon Kindlmann
*/

/*
* COPYRIGHT (c) 2011 The Diderot Project (http://diderot-language.cs.uchicago.edu)
*/

#include <stdio.h>
#include <math.h>
#include <stdbool.h>
#include "teem/nrrd.h"
#include "teem/ell.h"
#include "teem/gage.h"

#include "teem-defs.h"

STATIC_INLINE void scale2(double scl, double vec[2], double res[2])
{
res[0] = scl * vec[0];
res[1] = scl * vec[1];
}

STATIC_INLINE void add2(double vec1[2], double vec2[2], double res[2])
{
res[0] = vec1[0] + vec2[0];
res[1] = vec1[1] + vec2[1];
}

STATIC_INLINE double dot2(double vec1[2], double vec2[2])
{
return (vec1[0] * vec2[0] + vec1[1] * vec2[1]);
}

STATIC_INLINE double mag2(double vec[2])
{
return sqrt(dot2(vec, vec));
}

STATIC_INLINE void norm2(double vec[2], double res[2])
{
double mag = mag2(vec);
res[0] = vec[0] / mag;
res[1] = vec[1] / mag;
}

STATIC_INLINE bool inside(double pos[2])
{
// XXX - Hack
if (pos[0] < 0.00 || pos[0] >= 6.78) return false;
if (pos[1] < 0.00 || pos[1] >= 3.72) return false;
return true;
}

void atR(void *_data, double pos[2], double *out)
{
float *data = (float*)_data;
double temp[2][2];
int a = floor(pos[0] * 150) + 1;
int b = floor(pos[1] * 150) + 1;
for (int i = 0; i < 2; i++) {
for (int j = 0; j < 2; j++) {
temp[i][j] = *(data + (i + a) + (j + b) * 1020);
}
}
double temp2[2];
double t = pos[0]*150 - floor(pos[0]*150);
for (int i = 0; i < 2; i++) {
temp2[i] = (temp[0][i] * (1 - t) + temp[1][i] * t);
}
t = pos[1]*150 - floor(pos[1]*150);
*out = (temp2[0] * (1 - t) + temp2[1] * t);
}

void at(void* _data, double pos[2], double out[2])
{
// XXX - Hack
float *data = (float*)_data;
double tempx[4][4];
double tempy[4][4];
int a = floor(pos[0] * 50) + 5;
int b = floor(pos[1] * 50) + 5;
for (int i = 0; i < 4; i++) {
for (int j = 0; j < 4; j++) {
tempx[i][j] = *(data + (j + b - 1) * 700 + (i + a - 1) * 2 + 0);
tempy[i][j] = *(data + (j + b - 1) * 700 + (i + a - 1) * 2 + 1);
}
}
double t = pos[0]*50 - floor(pos[0]*50);
double tempxx[4];
double tempyx[4];
for (int i = 0; i < 4; i++) {
tempxx[i] = (tempx[0][i] + 4 * tempx[1][i] + tempx[2][i] +
(-3 * tempx[0][i] + 3 * tempx[2][i]) * t +
(3 * tempx[0][i] - 6 * tempx[1][i] + 3 * tempx[2][i]) * t * t +
(-1 * tempx[0][i] + 3 * tempx[1][i] - 3 * tempx[2][i] + tempx[3][i]) * t * t * t) / 6.0;
tempyx[i] = (tempy[0][i] + 4 * tempy[1][i] + tempy[2][i] +
(-3 * tempy[0][i] + 3 * tempy[2][i]) * t +
(3 * tempy[0][i] - 6 * tempy[1][i] + 3 * tempy[2][i]) * t * t +
(-1 * tempy[0][i] + 3 * tempy[1][i] - 3 * tempy[2][i] + tempy[3][i]) * t * t * t) / 6.0;
}
t = pos[1]*50 - floor(pos[1]*50);
out[0] = (tempxx[0] + 4 * tempxx[1] + tempxx[2] +
(-3 * tempxx[0] + 3 * tempxx[2]) * t +
(3 * tempxx[0] - 6 * tempxx[1] + 3 * tempxx[2]) * t * t +
(-1 * tempxx[0] + 3 * tempxx[1] - 3 * tempxx[2] + tempxx[3]) * t * t * t) / 6.0;
out[1] = (tempyx[0] + 4 * tempyx[1] + tempyx[2] +
(-3 * tempyx[0] + 3 * tempyx[2]) * t +
(3 * tempyx[0] - 6 * tempyx[1] + 3 * tempyx[2]) * t * t +
(-1 * tempyx[0] + 3 * tempyx[1] - 3 * tempyx[2] + tempyx[3]) * t * t * t) / 6.0;
return;
}

double crl_at(void* _data, double pos[2])
{
// XXX - Hack
float *data = (float*)_data;
double tempx[4][4];
double tempy[4][4];
double temp[2];
int a = floor(pos[0] * 50) + 5;
int b = floor(pos[1] * 50) + 5;
for (int i = 0; i < 4; i++) {
for (int j = 0; j < 4; j++) {
tempx[i][j] = *(data + (j + b - 1) * 700 + (i + a - 1) * 2 + 0);
tempy[i][j] = *(data + (j + b - 1) * 700 + (i + a - 1) * 2 + 1);
}
}
double t = pos[0]*50 - floor(pos[0]*50);
double tempxx[4];
double tempyx[4];
for (int i = 0; i < 4; i++) {
tempxx[i] = (tempx[0][i] + 4 * tempx[1][i] + tempx[2][i] +
(-3 * tempx[0][i] + 3 * tempx[2][i]) * t +
(3 * tempx[0][i] - 6 * tempx[1][i] + 3 * tempx[2][i]) * t * t +
(-1 * tempx[0][i] + 3 * tempx[1][i] - 3 * tempx[2][i] + tempx[3][i]) * t * t * t) / 6.0;
tempyx[i] = ((-3 * tempy[0][i] + 3 * tempy[2][i]) * 1 +
(3 * tempy[0][i] - 6 * tempy[1][i] + 3 * tempy[2][i]) * t * 2 +
(-1 * tempy[0][i] + 3 * tempy[1][i] - 3 * tempy[2][i] + tempy[3][i]) * t * t * 3) / 6.0;
}
t = pos[1]*50 - floor(pos[1]*50);
temp[0] = ((-3 * tempxx[0] + 3 * tempxx[2]) * 1 +
(3 * tempxx[0] - 6 * tempxx[1] + 3 * tempxx[2]) * t * 2 +
(-1 * tempxx[0] + 3 * tempxx[1] - 3 * tempxx[2] + tempxx[3]) * t * t * 3) / 6.0;
temp[1] = (tempyx[0] + 4 * tempyx[1] + tempyx[2] +
(-3 * tempyx[0] + 3 * tempyx[2]) * t +
(3 * tempyx[0] - 6 * tempyx[1] + 3 * tempyx[2]) * t * t +
(-1 * tempyx[0] + 3 * tempyx[1] - 3 * tempyx[2] + tempyx[3]) * t * t * t) / 6.0;
return temp[1] - temp[0];
}

STATIC_INLINE double lerp(double out_min, double out_max, double in_min, double in, double in_max)
{
return (out_min * (in_max - in) + out_max * (in - in_min)) / (in_max - in_min);
}

STATIC_INLINE unsigned char ulerp(double in_min, double in, double in_max)
{
return (unsigned char)((0.0f * (in_max - in) + 255.0f * (in - in_min)) / (in_max - in_min));
}

int main (int argc, const char *argv[])
{
const char *me;
char *inFile = "../../data/v.nrrd";
char *randFile = "../../data/R.nrrd";
char *outFile = "bmark-teem.nrrd";
int imgSizeX = 1020;
int imgSizeY = 561;
double h = 0.005;
int stepNum = 10;

me = argv[0];
airArray *mop;
mop = airMopNew();

char* err;
Nrrd *V = nrrdNew();
Nrrd *R =  nrrdNew();
airMopAdd(mop, err = biffGetDone(NRRD), airFree, airMopAlways);
fprintf(stderr, "%s: Trouble reading:\n%s", me, err);
airMopError(mop);
return -1;
}

Nrrd *nout = nrrdNew();
if (nrrdAlloc_va(nout, nrrdTypeDouble, 3,
AIR_CAST(size_t, 3),
AIR_CAST(size_t, 1020),
AIR_CAST(size_t, 561))) {
airMopAdd(mop, err = biffGetDone(NRRD), airFree, airMopAlways);
fprintf(stderr, "%s: Trouble allocating:\n%s", me, err);
airMopError(mop);
return -1;
}
double *out_data = AIR_CAST(double *, nout->data);

double t0 = airTime(); // start timing
double pos0[2];
double forw[2];
double back[2];
double temp[2];
double sum;
double crl;
double s, l, c, m;
int step;
int num;
for (int yi = 0; yi < 561; yi++) {
pos0[1] = lerp(0.04, 3.7, 0, yi, 560);
for (int xi = 0; xi < 1020; xi++) {
pos0[0] = lerp(0.04, 6.76, 0, xi, 1019);
forw[0] = pos0[0];
forw[1] = pos0[1];
back[0] = pos0[0];
back[1] = pos0[1];
atR(R->data, pos0, &sum);
sum = -sum;
step = -1;
num = -1;
while (true) {
if (inside(forw)) {
atR(R->data, forw, temp);
sum += temp[0];
num++;

at(V->data, forw, temp);
norm2(temp, temp);
scale2(0.5 * h, temp, temp);
if (inside(temp)) {
at(V->data, temp, temp);
norm2(temp, temp);
scale2(h, temp, temp);
}
}
if (inside(back)) {
atR(R->data, back, temp);
sum += temp[0];
num++;

at(V->data, back, temp);
norm2(temp, temp);
scale2(-0.5 * h, temp, temp);
if (inside(temp)) {
at(V->data, temp, temp);
norm2(temp, temp);
scale2(-1 * h, temp, temp);
}
}
step += 1;
if ((!inside(forw) && !inside(back)) || step == stepNum) {
at(V->data, pos0, temp);
sum = pow(mag2(temp), 0.3) * sum / num;
crl = crl_at(V->data, pos0);
s = lerp(0, 1, 0, (crl>0)?crl:-1*crl, 2.64);
l = lerp(0.0, 1.0, -1.6, sum, 2.6);

c = (1 - (((2 * l - 1)>0)?(2 * l - 1):(1 - 2 * l))) * s;
m = l - c / 2;
if (crl > 0) {
ELL_3V_SET(out_data + 3*(xi + 1020*yi), c+m, m, c+m);
}
else {
ELL_3V_SET(out_data + 3*(xi + 1020*yi), m, c+m, m);
}
break;
}
}
}
}

double totalTime = airTime() - t0;
printf("usr=%f\n", totalTime);

if (nrrdSave(outFile, nout, NULL)) {
airMopAdd(mop, err = biffGetDone(NRRD), airFree, airMopAlways);
fprintf(stderr, "%s: Trouble saving:\n%s", me, err);
airMopError(mop);
return -1;
}

airMopOkay(mop);
return 0;
}
```