Esempio n. 1
0
blasint CNAME(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n, FLOAT *sa, FLOAT *sb, BLASLONG myid) {

  BLASLONG m, n, lda, offset;
  BLASLONG j, js, jmin, is, imin, jc, jcmin;
  BLASLONG jjs, min_jj;
  blasint *ipiv, iinfo, info;
  BLASLONG jb, mn, blocking;
  FLOAT *a, *offsetA, *offsetB;
  BLASLONG range_N[2];

  FLOAT *sbb;

  m    = args -> m;
  n    = args -> n;
  a    = (FLOAT *)args -> a;
  lda  = args -> lda;
  ipiv = (blasint *)args -> c;
  offset = 0;

  if (range_n) {
    m     -= range_n[0];
    n      = range_n[1] - range_n[0];
    offset = range_n[0];
    a     += range_n[0] * (lda + 1) * COMPSIZE;
  }

  if (m <= 0 || n <= 0) return 0;
  
  mn = MIN(m, n);

  blocking = (mn / 2 + GEMM_UNROLL_N - 1) & ~(GEMM_UNROLL_N - 1);
  if (blocking > GEMM_Q) blocking = GEMM_Q;

  if (blocking <= GEMM_UNROLL_N * 2) {
    info = GETF2(args, NULL, range_n, sa, sb, 0);
    return info;
  }
  
  sbb = (FLOAT *)((((long)(sb + blocking * blocking * COMPSIZE) + GEMM_ALIGN) & ~GEMM_ALIGN) + GEMM_OFFSET_B);

  info = 0;

  for (j = 0; j < mn; j += blocking) {
    
    jb = mn - j;
    if (jb > blocking) jb = blocking;

    offsetA = a +  j       * lda * COMPSIZE;
    offsetB = a + (j + jb) * lda * COMPSIZE;

    range_N[0] = offset + j;
    range_N[1] = offset + j + jb;

    iinfo   = CNAME(args, NULL, range_N, sa, sb, 0);

    if (iinfo && !info) info = iinfo + j;

    if (j + jb < n) {
      
      TRSM_ILTCOPY(jb, jb, offsetA + j * COMPSIZE, lda, 0, sb);
      
      for (js = j + jb; js < n; js += REAL_GEMM_R){
	jmin = n - js;
	if (jmin > REAL_GEMM_R) jmin = REAL_GEMM_R;
	
	  for (jjs = js; jjs < js + jmin; jjs += GEMM_UNROLL_N){
	    min_jj = js + jmin - jjs;
	    if (min_jj > GEMM_UNROLL_N) min_jj = GEMM_UNROLL_N;
	    
#if 0
	    LASWP_PLUS(min_jj, j + offset + 1, j + jb + offset, ZERO, 
#ifdef COMPLEX
		       ZERO,
#endif
		       a + (- offset + jjs * lda) * COMPSIZE, lda, NULL, 0 , ipiv, 1);
	    
	    GEMM_ONCOPY (jb, min_jj, a + (j + jjs * lda) * COMPSIZE, lda, sbb + jb * (jjs - js) * COMPSIZE);
#else
	    LASWP_NCOPY(min_jj, j + offset + 1, j + jb + offset, 
			a + (- offset + jjs * lda) * COMPSIZE, lda, ipiv, sbb + jb * (jjs - js) * COMPSIZE);
#endif
	    
	    
	    for (jc = 0; jc < jb; jc += GEMM_P) {
	      jcmin = jb - jc;
	      if (jcmin > GEMM_P) jcmin = GEMM_P;
	      
	      TRSM_KERNEL_LT(jcmin, min_jj, jb, dm1,
#ifdef COMPLEX
			     ZERO,
#endif
			     sb  + jb * jc * COMPSIZE,
			     sbb + jb * (jjs - js) * COMPSIZE, 
			     a + (j + jc + jjs * lda) * COMPSIZE, lda, jc);
	    }
	  }


	for (is = j + jb; is < m; is += GEMM_P){
	  
	  imin = m - is;
	  if (imin > GEMM_P) imin = GEMM_P;

	  GEMM_ITCOPY (jb, imin, offsetA + is * COMPSIZE, lda, sa);
	  
	  GEMM_KERNEL_N(imin, jmin, jb, dm1,
#ifdef COMPLEX
			ZERO,
#endif
			sa, sbb, 	a + (is + js * lda) * COMPSIZE, lda);
	}
      }
    }
  }
  
  for (j = 0; j < mn; j += jb) {
    jb = MIN(mn - j, blocking);
    LASWP_PLUS(jb, j + jb + offset + 1, mn + offset, ZERO,
#ifdef COMPLEX
	       ZERO,
#endif
	       a - (offset - j * lda) * COMPSIZE, lda, NULL, 0 , ipiv, 1);
    
  }

  return info;
}
Esempio n. 2
0
int CNAME(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n, FLOAT *sa, FLOAT *sb, BLASLONG dummy) {

  BLASLONG m, n, lda, ldb;
  FLOAT *beta, *a, *b;
  BLASLONG ls, is, js;
  BLASLONG min_l, min_i, min_j;
  BLASLONG jjs, min_jj;

  m = args -> m;
  n = args -> n;

  a = (FLOAT *)args -> a;
  b = (FLOAT *)args -> b;

  lda = args -> lda;
  ldb = args -> ldb;

  beta  = (FLOAT *)args -> beta;

  if (range_m) {
    BLASLONG m_from = *(((BLASLONG *)range_m) + 0);
    BLASLONG m_to   = *(((BLASLONG *)range_m) + 1);

    m = m_to - m_from;

    b += m_from * COMPSIZE;
  }

  if (beta) {
#ifndef COMPLEX
    if (beta[0] != ONE)
      GEMM_BETA(m, n, 0, beta[0], NULL, 0, NULL, 0, b, ldb);
    if (beta[0] == ZERO) return 0;
#else
    if ((beta[0] != ONE) || (beta[1] != ZERO))
      GEMM_BETA(m, n, 0, beta[0], beta[1], NULL, 0, NULL, 0, b, ldb);
    if ((beta[0] == ZERO) && (beta[1] == ZERO)) return 0;
#endif
  }

#if (defined(UPPER) && !defined(TRANSA)) || (!defined(UPPER) && defined(TRANSA))
  for(js = 0; js < n; js += GEMM_R){
    min_j = n - js;
    if (min_j > GEMM_R) min_j = GEMM_R;

    for(ls = 0; ls < js; ls += GEMM_Q){
      min_l = js - ls;
      if (min_l > GEMM_Q) min_l = GEMM_Q;
      min_i = m;
      if (min_i > GEMM_P) min_i = GEMM_P;

      GEMM_ITCOPY(min_l, min_i, b + (ls * ldb) * COMPSIZE, ldb, sa);

      for(jjs = js; jjs < js + min_j; jjs += min_jj){
	min_jj = min_j + js - jjs;
	if (min_jj > GEMM_UNROLL_N) min_jj = GEMM_UNROLL_N;

#ifndef TRANSA
	GEMM_ONCOPY(min_l, min_jj, a + (ls + jjs * lda) * COMPSIZE, lda, sb + min_l * (jjs - js) * COMPSIZE);
#else
	GEMM_OTCOPY(min_l, min_jj, a + (jjs + ls * lda) * COMPSIZE, lda, sb + min_l * (jjs - js) * COMPSIZE);
#endif

	GEMM_KERNEL(min_i, min_jj, min_l, dm1,
#ifdef COMPLEX
		    ZERO,
#endif
		    sa, sb + min_l * (jjs - js) * COMPSIZE,
		    b + (jjs * ldb) * COMPSIZE, ldb);
      }

      for(is = min_i; is < m; is += GEMM_P){
	min_i = m - is;
	if (min_i > GEMM_P) min_i = GEMM_P;

	GEMM_ITCOPY(min_l, min_i, b + (is + ls * ldb) * COMPSIZE, ldb, sa);

	GEMM_KERNEL(min_i, min_j, min_l, dm1,
#ifdef COMPLEX
		    ZERO,
#endif
		    sa, sb, b + (is + js * ldb) * COMPSIZE, ldb);
      }
    }

    for(ls = js; ls < js + min_j; ls += GEMM_Q){
      min_l = js + min_j - ls;
      if (min_l > GEMM_Q) min_l = GEMM_Q;
      min_i = m;
      if (min_i > GEMM_P) min_i = GEMM_P;

      GEMM_ITCOPY(min_l, min_i, b + (ls * ldb) * COMPSIZE, ldb, sa);

#ifndef TRANSA
      TRSM_OUNCOPY(min_l, min_l, a + (ls + ls * lda) * COMPSIZE, lda, 0, sb);
#else
      TRSM_OLTCOPY(min_l, min_l, a + (ls + ls * lda) * COMPSIZE, lda, 0, sb);
#endif

      TRSM_KERNEL(min_i, min_l, min_l, dm1,
#ifdef COMPLEX
		  ZERO,
#endif
		  sa,
		  sb,
		  b + (ls * ldb) * COMPSIZE, ldb, 0);

      for(jjs = 0; jjs < min_j - min_l - ls + js; jjs += min_jj){
	min_jj = min_j - min_l - ls + js - jjs;
	if (min_jj > GEMM_UNROLL_N) min_jj = GEMM_UNROLL_N;

#ifndef TRANSA
      GEMM_ONCOPY (min_l, min_jj, a + (ls + (ls + min_l + jjs) * lda) * COMPSIZE, lda,
		   sb + min_l * (min_l + jjs) * COMPSIZE);
#else
      GEMM_OTCOPY (min_l, min_jj, a + ((ls + min_l + jjs) + ls * lda) * COMPSIZE, lda,
		   sb + min_l * (min_l + jjs) * COMPSIZE);
#endif

      GEMM_KERNEL(min_i, min_jj, min_l, dm1,
#ifdef COMPLEX
		  ZERO,
#endif
		  sa,
		  sb + min_l * (min_l + jjs) * COMPSIZE,
		  b + (min_l + ls + jjs) * ldb * COMPSIZE, ldb);
      }

      for(is = min_i; is < m; is += GEMM_P){
	min_i = m - is;
	if (min_i > GEMM_P) min_i = GEMM_P;

	GEMM_ITCOPY(min_l, min_i, b + (is + ls * ldb) * COMPSIZE, ldb, sa);

	TRSM_KERNEL(min_i, min_l, min_l, dm1,
#ifdef COMPLEX
		    ZERO,
#endif
		    sa,
		    sb,
		    b + (is + ls * ldb) * COMPSIZE, ldb, 0);

	GEMM_KERNEL(min_i, min_j - min_l + js - ls, min_l, dm1,
#ifdef COMPLEX
		    ZERO,
#endif
		    sa,
		    sb + min_l * min_l * COMPSIZE,
		    b + (is + ( min_l + ls) * ldb) * COMPSIZE, ldb);
      }
    }
  }

#else
  BLASLONG start_ls;

  for(js = n; js > 0; js -= GEMM_R){
    min_j = js;
    if (min_j > GEMM_R) min_j = GEMM_R;

    for (ls = js; ls < n; ls += GEMM_Q) {
      min_l = n - ls;
      if (min_l > GEMM_Q) min_l = GEMM_Q;
      min_i = m;
      if (min_i > GEMM_P) min_i = GEMM_P;

      GEMM_ITCOPY(min_l, min_i, b + (ls * ldb) * COMPSIZE, ldb, sa);

      for(jjs = js; jjs < js + min_j; jjs += min_jj){
	min_jj = min_j + js - jjs;
	if (min_jj > GEMM_UNROLL_N) min_jj = GEMM_UNROLL_N;

#ifndef TRANSA
	GEMM_ONCOPY(min_l, min_jj, a + (ls + (jjs - min_j) * lda) * COMPSIZE, lda, sb + min_l * (jjs - js) * COMPSIZE);
#else
	GEMM_OTCOPY(min_l, min_jj, a + ((jjs - min_j) + ls * lda) * COMPSIZE, lda, sb + min_l * (jjs - js) * COMPSIZE);
#endif

	GEMM_KERNEL(min_i, min_jj, min_l, dm1,
#ifdef COMPLEX
		    ZERO,
#endif
		    sa, sb + min_l * (jjs - js) * COMPSIZE,
		    b + (jjs - min_j) * ldb * COMPSIZE, ldb);
      }

      for(is = min_i; is < m; is += GEMM_P){
	min_i = m - is;
	if (min_i > GEMM_P) min_i = GEMM_P;

	GEMM_ITCOPY(min_l, min_i, b + (is + ls * ldb) * COMPSIZE, ldb, sa);

	GEMM_KERNEL(min_i, min_j, min_l, dm1,
#ifdef COMPLEX
		    ZERO,
#endif
		    sa, sb, b + (is + (js - min_j) * ldb) * COMPSIZE, ldb);
      }
    }

    start_ls = js - min_j;
    while (start_ls + GEMM_Q < js) start_ls += GEMM_Q;

    for(ls = start_ls; ls >= js - min_j; ls -= GEMM_Q){
      min_l = js - ls;
      if (min_l > GEMM_Q) min_l = GEMM_Q;
      min_i = m;
      if (min_i > GEMM_P) min_i = GEMM_P;

      GEMM_ITCOPY(min_l, min_i, b + (ls * ldb) * COMPSIZE, ldb, sa);

#ifndef TRANSA
      TRSM_OLNCOPY(min_l, min_l,           a + (ls + ls * lda) * COMPSIZE, lda,
		   0, sb + min_l * (min_j - js + ls) * COMPSIZE);
#else
      TRSM_OUTCOPY(min_l, min_l,           a + (ls + ls * lda) * COMPSIZE, lda,
		   0, sb + min_l * (min_j - js + ls) * COMPSIZE);
#endif

      TRSM_KERNEL(min_i, min_l, min_l, dm1,
#ifdef COMPLEX
		  ZERO,
#endif
		  sa,
		  sb + min_l * (min_j - js + ls) * COMPSIZE,
		  b + (ls * ldb) * COMPSIZE, ldb, 0);

      for(jjs = 0; jjs < min_j - js + ls; jjs += min_jj){
	min_jj = min_j - js + ls - jjs;
	if (min_jj > GEMM_UNROLL_N) min_jj = GEMM_UNROLL_N;

#ifndef TRANSA
	GEMM_ONCOPY (min_l, min_jj, a + (ls + (js - min_j + jjs) * lda) * COMPSIZE, lda,
		     sb + min_l * jjs * COMPSIZE);
#else
	GEMM_OTCOPY (min_l, min_jj, a + ((js - min_j + jjs) + ls * lda) * COMPSIZE, lda,
		     sb + min_l * jjs * COMPSIZE);
#endif

	GEMM_KERNEL(min_i, min_jj, min_l, dm1,
#ifdef COMPLEX
		    ZERO,
#endif
		    sa,
		    sb + min_l * jjs * COMPSIZE,
		    b + (js - min_j + jjs) * ldb * COMPSIZE, ldb);
      }

      for(is = min_i; is < m; is += GEMM_P){
	min_i = m - is;
	if (min_i > GEMM_P) min_i = GEMM_P;

	GEMM_ITCOPY(min_l, min_i, b + (is + ls * ldb) * COMPSIZE, ldb, sa);

	TRSM_KERNEL(min_i, min_l, min_l, dm1,
#ifdef COMPLEX
		    ZERO,
#endif
		    sa,
		    sb + min_l * (min_j - js + ls) * COMPSIZE,
		    b + (is + ls * ldb) * COMPSIZE, ldb, 0);

	GEMM_KERNEL(min_i, min_j - js + ls, min_l, dm1,
#ifdef COMPLEX
		    ZERO,
#endif
		    sa,
		    sb,
		    b + (is + (js - min_j) * ldb) * COMPSIZE, ldb);
      }

    }
  }

#endif

  return 0;
}
Esempio n. 3
0
static void inner_basic_thread(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n, FLOAT *sa, FLOAT *sb, BLASLONG mypos){

  BLASLONG is, min_i;
  BLASLONG js, min_j;
  BLASLONG jjs, min_jj;

  BLASLONG m = args -> m;
  BLASLONG n = args -> n;
  BLASLONG k = args -> k;

  BLASLONG lda = args -> lda;
  BLASLONG off = args -> ldb;

  FLOAT *b = (FLOAT *)args -> b + (k          ) * COMPSIZE;
  FLOAT *c = (FLOAT *)args -> b + (    k * lda) * COMPSIZE;
  FLOAT *d = (FLOAT *)args -> b + (k + k * lda) * COMPSIZE;
  FLOAT *sbb = sb;

  volatile BLASLONG *flag = (volatile BLASLONG *)args -> d;

  blasint *ipiv = (blasint *)args -> c;

  if (range_n) {
    n      = range_n[1] - range_n[0];
    c     += range_n[0] * lda * COMPSIZE;
    d     += range_n[0] * lda * COMPSIZE;
  }

  if (args -> a == NULL) {
    TRSM_ILTCOPY(k, k, (FLOAT *)args -> b, lda, 0, sb);
    sbb = (FLOAT *)((((long)(sb + k * k * COMPSIZE) + GEMM_ALIGN) & ~GEMM_ALIGN) + GEMM_OFFSET_B);
  } else {
    sb  = (FLOAT *)args -> a;
  }

  for (js = 0; js < n; js += REAL_GEMM_R) {
    min_j = n - js;
    if (min_j > REAL_GEMM_R) min_j = REAL_GEMM_R;

    for (jjs = js; jjs < js + min_j; jjs += GEMM_UNROLL_N){
      min_jj = js + min_j - jjs;
      if (min_jj > GEMM_UNROLL_N) min_jj = GEMM_UNROLL_N;
      
      if (GEMM_UNROLL_N <= 8) {

	LASWP_NCOPY(min_jj, off + 1, off + k, 
		    c + (- off + jjs * lda) * COMPSIZE, lda,
		    ipiv, sbb + k * (jjs - js) * COMPSIZE);

      } else {

	LASWP_PLUS(min_jj, off + 1, off + k, ZERO, 
#ifdef COMPLEX
		   ZERO,
#endif
		   c + (- off + jjs * lda) * COMPSIZE, lda, NULL, 0, ipiv, 1);
	
	GEMM_ONCOPY (k, min_jj, c + jjs * lda * COMPSIZE, lda, sbb + (jjs - js) * k * COMPSIZE);

      }

      for (is = 0; is < k; is += GEMM_P) {
	min_i = k - is;
	if (min_i > GEMM_P) min_i = GEMM_P;
	
	TRSM_KERNEL_LT(min_i, min_jj, k, dm1,
#ifdef COMPLEX
		       ZERO,
#endif
		       sb  + k * is * COMPSIZE,
		       sbb + (jjs - js) * k * COMPSIZE, 
		       c   + (is + jjs * lda) * COMPSIZE, lda, is);
      }
    }

    if ((js + REAL_GEMM_R >= n) && (mypos >= 0)) flag[mypos * CACHE_LINE_SIZE] = 0;

    for (is = 0; is < m; is += GEMM_P){
      min_i = m - is;
      if (min_i > GEMM_P) min_i = GEMM_P;
      
      GEMM_ITCOPY (k, min_i, b + is * COMPSIZE, lda, sa);
      
      GEMM_KERNEL_N(min_i, min_j, k, dm1,
#ifdef COMPLEX
		    ZERO,
#endif
		    sa, sbb, d + (is + js * lda) * COMPSIZE, lda);
    }
  }
}
Esempio n. 4
0
static int inner_advanced_thread(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n, FLOAT *sa, FLOAT *sb, BLASLONG mypos){

  job_t *job = (job_t *)args -> common;

  BLASLONG xxx, bufferside;

  FLOAT *buffer[DIVIDE_RATE];

  BLASLONG jjs, min_jj, div_n;

  BLASLONG i, current;
  BLASLONG is, min_i;

  BLASLONG m, n_from, n_to;
  BLASLONG k = args -> k;

  BLASLONG lda = args -> lda;
  BLASLONG off = args -> ldb;

  FLOAT *a = (FLOAT *)args -> b + (k          ) * COMPSIZE;
  FLOAT *b = (FLOAT *)args -> b + (    k * lda) * COMPSIZE;
  FLOAT *c = (FLOAT *)args -> b + (k + k * lda) * COMPSIZE;
  FLOAT *sbb= sb;

  blasint *ipiv = (blasint *)args -> c;

  volatile BLASLONG *flag = (volatile BLASLONG *)args -> d;

  if (args -> a == NULL) {
    TRSM_ILTCOPY(k, k, (FLOAT *)args -> b, lda, 0, sb);
    sbb = (FLOAT *)((((long)(sb + k * k * COMPSIZE) + GEMM_ALIGN) & ~GEMM_ALIGN) + GEMM_OFFSET_B);
  } else {
    sb  = (FLOAT *)args -> a;
  }

  m      = range_m[1] - range_m[0];
  n_from = range_n[mypos + 0];
  n_to   = range_n[mypos + 1];

  a     += range_m[0] * COMPSIZE;
  c     += range_m[0] * COMPSIZE;

  div_n = (n_to - n_from + DIVIDE_RATE - 1) / DIVIDE_RATE;
  
  buffer[0] = sbb;


  for (i = 1; i < DIVIDE_RATE; i++) {
    buffer[i] = buffer[i - 1] + GEMM_Q * ((div_n + GEMM_UNROLL_N - 1) & ~(GEMM_UNROLL_N - 1)) * COMPSIZE;
  }

  for (xxx = n_from, bufferside = 0; xxx < n_to; xxx += div_n, bufferside ++) {
    
    for (i = 0; i < args -> nthreads; i++)
      while (job[mypos].working[i][CACHE_LINE_SIZE * bufferside]) {};
    
    for(jjs = xxx; jjs < MIN(n_to, xxx + div_n); jjs += min_jj){
      min_jj = MIN(n_to, xxx + div_n) - jjs;
      if (min_jj > GEMM_UNROLL_N) min_jj = GEMM_UNROLL_N;

      if (GEMM_UNROLL_N <= 8) {

	LASWP_NCOPY(min_jj, off + 1, off + k, 
		    b + (- off + jjs * lda) * COMPSIZE, lda,
		    ipiv, buffer[bufferside] + (jjs - xxx) * k * COMPSIZE);

      } else {

	LASWP_PLUS(min_jj, off + 1, off + k, ZERO, 
#ifdef COMPLEX
		   ZERO,
#endif
		   b + (- off + jjs * lda) * COMPSIZE, lda, NULL, 0, ipiv, 1);
	
	GEMM_ONCOPY (k, min_jj, b + jjs * lda * COMPSIZE, lda, 
		     buffer[bufferside] + (jjs - xxx) * k * COMPSIZE);
      }

      for (is = 0; is < k; is += GEMM_P) {
	min_i = k - is;
	if (min_i > GEMM_P) min_i = GEMM_P;
	
	TRSM_KERNEL_LT(min_i, min_jj, k, dm1,
#ifdef COMPLEX
		       ZERO,
#endif
		       sb + k * is * COMPSIZE,
		       buffer[bufferside] + (jjs - xxx) * k * COMPSIZE, 
		       b   + (is + jjs * lda) * COMPSIZE, lda, is);
      }
    }
	
    for (i = 0; i < args -> nthreads; i++)
      job[mypos].working[i][CACHE_LINE_SIZE * bufferside] = (BLASLONG)buffer[bufferside];

  }
  
  flag[mypos * CACHE_LINE_SIZE] = 0;
  
  if (m == 0) {
    for (xxx = 0; xxx < DIVIDE_RATE; xxx++) {
      job[mypos].working[mypos][CACHE_LINE_SIZE * xxx] = 0;
    }
  }

  for(is = 0; is < m; is += min_i){
    min_i = m - is;
    if (min_i >= GEMM_P * 2) {
      min_i = GEMM_P;
    } else 
      if (min_i > GEMM_P) {
	min_i = ((min_i + 1) / 2 + GEMM_UNROLL_M - 1) & ~(GEMM_UNROLL_M - 1);
      }
      
      ICOPY_OPERATION(k, min_i, a, lda, 0, is, sa);
      
      current = mypos;

      do {
	
	div_n = (range_n[current + 1]  - range_n[current] + DIVIDE_RATE - 1) / DIVIDE_RATE;
	
	for (xxx = range_n[current], bufferside = 0; xxx < range_n[current + 1]; xxx += div_n, bufferside ++) {
	  
	  if ((current != mypos) && (!is)) {
	    	    while(job[current].working[mypos][CACHE_LINE_SIZE * bufferside] == 0) {};
	  }

	  KERNEL_OPERATION(min_i, MIN(range_n[current + 1] - xxx, div_n), k,
			   sa, (FLOAT *)job[current].working[mypos][CACHE_LINE_SIZE * bufferside],
			   c, lda, is, xxx);
	  
	  if (is + min_i >= m) {
	    job[current].working[mypos][CACHE_LINE_SIZE * bufferside] = 0;
	  }
	}
	
	current ++;
	if (current >= args -> nthreads) current = 0;
	
      } while (current != mypos);
  }
  
  for (i = 0; i < args -> nthreads; i++) {
    for (xxx = 0; xxx < DIVIDE_RATE; xxx++) {
      while (job[mypos].working[i][CACHE_LINE_SIZE * xxx] ) {};
    }
  }

  return 0;
}
Esempio n. 5
0
blasint CNAME(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n, FLOAT *sa, FLOAT *sb, BLASLONG myid) {

  BLASLONG  n, lda;
  FLOAT *a;

  BLASLONG info;
  BLASLONG bk, blocking;
  BLASLONG is, min_i;
  BLASLONG jjs, min_jj;
  BLASLONG range_N[2];
  BLASLONG j, js, min_j;

#ifdef SHARED_ARRAY
  FLOAT *aa;
#endif
  
  FLOAT *sb2 = (FLOAT *)((((BLASLONG)sb
		    + GEMM_PQ  * GEMM_Q * COMPSIZE * SIZE + GEMM_ALIGN) & ~GEMM_ALIGN)
		  + GEMM_OFFSET_B);

  n      = args -> n;
  a      = (FLOAT *)args -> a;
  lda    = args -> lda;

  if (range_n) {
    n      = range_n[1] - range_n[0];
    a     += range_n[0] * (lda + 1) * COMPSIZE;
  }

  if (n <= DTB_ENTRIES / 2) {
    info = POTF2_U(args, NULL, range_n, sa, sb, 0);
    return info;
  }
  
  blocking = GEMM_Q;
  if (n <= 4 * GEMM_Q) blocking = (n + 3) / 4;
  
  for (j = 0; j < n; j += blocking) {
    bk = n - j;
    if (bk > blocking) bk = blocking;
    
    if (!range_n) {
      range_N[0] = j;
      range_N[1] = j + bk;
    } else {
      range_N[0] = range_n[0] + j;
      range_N[1] = range_n[0] + j + bk;
    }
    
    info = CNAME(args, NULL, range_N, sa, sb, 0);
    if (info) return info + j;
    
    if (n - j - bk > 0) {
      
      TRSM_IUNCOPY(bk, bk, a + (j + j * lda) * COMPSIZE, lda, 0, sb);
      
      for(js = j + bk; js < n; js += REAL_GEMM_R) {
	min_j = n - js;
	if (min_j > REAL_GEMM_R) min_j = REAL_GEMM_R;
	
	for(jjs = js; jjs < js + min_j; jjs += GEMM_UNROLL_N){
	  min_jj = min_j + js - jjs;
	  if (min_jj > GEMM_UNROLL_N) min_jj = GEMM_UNROLL_N;
	  
	  GEMM_ONCOPY(bk, min_jj, a + (j + jjs * lda) * COMPSIZE, lda, sb2 + bk * (jjs - js) * COMPSIZE);
	  
	  for (is = 0; is < bk; is += GEMM_P) {
	    min_i = bk - is;
	    if (min_i > GEMM_P) min_i = GEMM_P;
	    
	    TRSM_KERNEL (min_i, min_jj, bk, dm1, 
#ifdef COMPLEX
			 ZERO,
#endif
			 sb + bk * is * COMPSIZE,
			 sb2 + bk * (jjs - js) * COMPSIZE,
			 a + (j + is + jjs * lda) * COMPSIZE, lda, is);
	  }
	}

	for (is = j + bk; is < js + min_j; is += min_i) {
	  min_i = js + min_j - is;
      
	  if (min_i >= GEMM_P * 2) {
	    min_i = GEMM_P;
	  } else 
	    if (min_i > GEMM_P) {
	      min_i = (min_i / 2 + GEMM_UNROLL_MN - 1) & ~(GEMM_UNROLL_MN - 1);
	    }
      
#ifdef SHARED_ARRAY
	  if ((is >= js) && (is + min_i <= js + min_j)) {
	    aa = sb2 + bk * (is - js) * COMPSIZE;
	  } else {
	    GEMM_INCOPY(bk, min_i, a + (j + is * lda) * COMPSIZE, lda, sa);
	    aa = sa;
	  }
#else
	  GEMM_INCOPY(bk, min_i, a + (j + is * lda) * COMPSIZE, lda, sa);
#endif
	  
	  SYRK_KERNEL_U(min_i, min_j, bk,
			dm1, 
			SA, sb2,
			a + (is + js * lda) * COMPSIZE, lda,
			is - js);
	  
	}
      }
    }
   
  }
  
  return 0;
}
Esempio n. 6
0
int CNAME(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n, FLOAT *sa, FLOAT *sb, BLASLONG dummy) {

  BLASLONG m, n, lda, ldb;
  FLOAT *beta, *a, *b;

  BLASLONG ls, is, js;
  BLASLONG min_l, min_i, min_j;
  BLASLONG jjs, min_jj;

  m = args -> m;
  n = args -> n;

  a = (FLOAT *)args -> a;
  b = (FLOAT *)args -> b;

  lda = args -> lda;
  ldb = args -> ldb;

  beta  = (FLOAT *)args -> beta;

  if (range_n) {
    BLASLONG n_from = *(((BLASLONG *)range_n) + 0);
    BLASLONG n_to   = *(((BLASLONG *)range_n) + 1);

    n = n_to - n_from;

    b += n_from * ldb * COMPSIZE;
  }

  if (beta) {
#ifndef COMPLEX
    if (beta[0] != ONE)
      GEMM_BETA(m, n, 0, beta[0], NULL, 0, NULL, 0, b, ldb);
    if (beta[0] == ZERO) return 0;
#else
    if ((beta[0] != ONE) || (beta[1] != ZERO))
      GEMM_BETA(m, n, 0, beta[0], beta[1], NULL, 0, NULL, 0, b, ldb);
    if ((beta[0] == ZERO) && (beta[1] == ZERO)) return 0;
#endif
  }

  for(js = 0; js < n; js += GEMM_R){
    min_j = n - js;
    if (min_j > GEMM_R) min_j = GEMM_R;
    
#if (!defined(UPPER) && !defined(TRANSA)) || (defined(UPPER) && defined(TRANSA))
    for(ls = 0; ls < m; ls += GEMM_Q){
      min_l = m - ls;
      if (min_l > GEMM_Q) min_l = GEMM_Q;
      min_i = min_l;
      if (min_i > GEMM_P) min_i = GEMM_P;
      
#ifndef TRANSA
      TRSM_ILTCOPY(min_l, min_i, a + (ls + ls * lda) * COMPSIZE, lda, 0, sa);
#else
      TRSM_IUNCOPY(min_l, min_i, a + (ls + ls * lda) * COMPSIZE, lda, 0, sa);
#endif
      
      for(jjs = js; jjs < js + min_j; jjs += min_jj){
	min_jj = min_j + js - jjs;
	if (min_jj > GEMM_UNROLL_N) min_jj = GEMM_UNROLL_N;

	GEMM_ONCOPY(min_l, min_jj, b + (ls + jjs * ldb) * COMPSIZE, ldb, sb + min_l * (jjs - js) * COMPSIZE);

	TRSM_KERNEL(min_i, min_jj, min_l, dm1,
#ifdef COMPLEX
		    ZERO,
#endif
		    sa, sb + min_l * (jjs - js) * COMPSIZE, 
		    b + (ls + jjs * ldb) * COMPSIZE, ldb, 0);
      }

      for(is = ls + min_i; is < ls + min_l; is += GEMM_P){
	min_i = ls + min_l - is;
	if (min_i > GEMM_P) min_i = GEMM_P;
	
#ifndef TRANSA
	TRSM_ILTCOPY(min_l, min_i, a + (is + ls * lda) * COMPSIZE, lda, is - ls, sa);
#else
	TRSM_IUNCOPY(min_l, min_i, a + (ls + is * lda) * COMPSIZE, lda, is - ls, sa);
#endif
	
	TRSM_KERNEL(min_i, min_j, min_l, dm1,
#ifdef COMPLEX
		    ZERO,
#endif
		    sa, sb, b + (is + js * ldb) * COMPSIZE, ldb, is - ls);
      }
      

      for(is = ls + min_l; is < m; is += GEMM_P){
	min_i = m - is;
	if (min_i > GEMM_P) min_i = GEMM_P;
	
#ifndef TRANSA
	GEMM_ITCOPY(min_l, min_i, a + (is + ls * lda) * COMPSIZE, lda, sa);
#else
	GEMM_INCOPY(min_l, min_i, a + (ls + is * lda) * COMPSIZE, lda, sa);
#endif
	
	GEMM_KERNEL(min_i, min_j, min_l, dm1, 
#ifdef COMPLEX
		    ZERO,
#endif
		    sa, sb, b + (is + js * ldb) * COMPSIZE, ldb); 
      }
    }
#else
    BLASLONG start_is;

    for(ls = m; ls > 0; ls -= GEMM_Q){
      min_l = ls;
      if (min_l > GEMM_Q) min_l = GEMM_Q;
      start_is = ls - min_l;
      while (start_is + GEMM_P < ls) start_is += GEMM_P;
      min_i = ls - start_is;
      if (min_i > GEMM_P) min_i = GEMM_P;

#ifndef TRANSA
      TRSM_IUTCOPY(min_l, min_i, a + (start_is + (ls - min_l) * lda) * COMPSIZE, lda, start_is - (ls - min_l), sa);
#else
      TRSM_ILNCOPY(min_l, min_i, a + ((ls - min_l) + start_is * lda) * COMPSIZE, lda, start_is - (ls - min_l), sa);
#endif

      for(jjs = js; jjs < js + min_j; jjs += min_jj){
	min_jj = min_j + js - jjs;
	if (min_jj > GEMM_UNROLL_N) min_jj = GEMM_UNROLL_N;

	GEMM_ONCOPY(min_l, min_jj, b + (ls - min_l + jjs * ldb) * COMPSIZE, ldb, sb + min_l * (jjs - js) * COMPSIZE);
	
	TRSM_KERNEL(min_i, min_jj, min_l, dm1,
#ifdef COMPLEX
		    ZERO,
#endif
		    sa, sb + min_l * (jjs - js) * COMPSIZE, 
		    b +  (start_is + jjs * ldb) * COMPSIZE, ldb,  start_is - ls + min_l);
      }
      
      for(is = start_is - GEMM_P; is >= ls - min_l; is -= GEMM_P){
	min_i = ls - is;
	if (min_i > GEMM_P) min_i = GEMM_P;
	
#ifndef TRANSA
	TRSM_IUTCOPY(min_l, min_i, a + (is + (ls - min_l) * lda) * COMPSIZE, lda, is - (ls - min_l), sa);
#else
	TRSM_ILNCOPY(min_l, min_i, a + ((ls - min_l) + is * lda) * COMPSIZE, lda, is - (ls - min_l), sa);
#endif
	TRSM_KERNEL(min_i, min_j, min_l, dm1,
#ifdef COMPLEX
		    ZERO,
#endif
		    sa, sb, 
		    b +  (is + js * ldb) * COMPSIZE, ldb,  + is - (ls - min_l) );
      }

      
      for(is = 0; is < ls - min_l; is += GEMM_P){
	min_i = ls - min_l - is;
	if (min_i > GEMM_P) min_i = GEMM_P;
	
#ifndef TRANSA
	GEMM_ITCOPY(min_l, min_i, a + (is + (ls - min_l) * lda) * COMPSIZE, lda, sa);
#else
	GEMM_INCOPY(min_l, min_i, a + ((ls - min_l) + is * lda) * COMPSIZE, lda, sa);
#endif

	GEMM_KERNEL(min_i, min_j, min_l, dm1, 
#ifdef COMPLEX
		    ZERO,
#endif
		    sa, sb, b + (is + js * ldb) * COMPSIZE, ldb); 
      }
    }

#endif
  }

  return 0;
}