Exemplo n.º 1
0
void square_dgemm(const int M, const double *A, const double *B, double *C)
{
  if (M > 100) {
    const int n_blocks = M / BLOCK_SIZE + (M%BLOCK_SIZE? 1 : 0);

    //double* t = (double*)malloc(BLOCK_SIZE * BLOCK_SIZE * sizeof(double));
    double aa[BLOCK_SIZE * BLOCK_SIZE] = {0};
    double bb[BLOCK_SIZE * BLOCK_SIZE] = {0};
    double cc[BLOCK_SIZE * BLOCK_SIZE] = {0};

    int bi, bj, bk;
    for (bi = 0; bi < n_blocks; ++bi) {
      const int i = bi * BLOCK_SIZE;
      for (bj = 0; bj < n_blocks; ++bj) {
	const int j = bj * BLOCK_SIZE;
	for (bk = 0; bk < n_blocks; ++bk) {
	  const int k = bk * BLOCK_SIZE;
	  do_block(M, A, B, C, aa, bb, cc, i, j, k);
	}
      }
    }

  } else {
    naive_square_dgemm(M, A, B, C);
  }
}
Exemplo n.º 2
0
long do_sched_op_compat(int cmd, unsigned long arg)
{
    long ret = 0;

    switch ( cmd )
    {
    case SCHEDOP_yield:
    {
        ret = do_yield();
        break;
    }

    case SCHEDOP_block:
    {
        ret = do_block();
        break;
    }

    case SCHEDOP_shutdown:
    {
        TRACE_3D(TRC_SCHED_SHUTDOWN,
                 current->domain->domain_id, current->vcpu_id, arg);
        domain_shutdown(current->domain, (u8)arg);
        break;
    }

    default:
        ret = -ENOSYS;
    }

    return ret;
}
Exemplo n.º 3
0
/* This routine performs a dgemm operation
 *  C := C + A * B
 * where A, B, and C are lda-by-lda matrices stored in column-major format. 
 * On exit, A and B maintain their input values. */  
void square_dgemm(int lda, double* A, double* B, double* C) {

    int block_size_row = 222; 
    int block_size_col = 12; 
    int block_size_inner = 222; 
    int M_even, K_even, N_even;
    
    double new_A[50000];
    double new_B[200000];
    double new_C[4000];

    for (int k=0; k<lda; k+=block_size_inner) {
        int K = min(block_size_inner, lda-k);
        copy_block(lda, K, lda, B+k, new_B);
        K_even = turn_even(K);

        for (int i=0; i<lda; i+=block_size_row) {
            int M = min (block_size_row, lda-i);
            copy_block(lda, M, K, A+i+k*lda, new_A);
            M_even = turn_even(M);

            for (int j=0; j<lda; j+=block_size_col) {
                int N = min (block_size_col, lda-j);
                N_even = turn_even(N);               
                copy_block(lda, M, N, C+i+j*lda, new_C);

                do_block(M_even, K_even, N_even, new_A, new_B+j*K_even, new_C);
                add_block(new_C, C+i+j*lda, M, N, lda, M_even);
            }
        }
    }

}
Exemplo n.º 4
0
void
output(const char *lojban, const char *trans, const char *selmao)
{
  switch (ofmt) { 
    case OF_LATEX:
      printf ("\\begin{tabular}[t]{l}"
          "\\textbf{\\footnotesize %s}\\\\\n"
          "\\textrm{\\footnotesize %s}\\\\\n"
          "\\textit{\\footnotesize %s}\n"
          "\\end{tabular}\n"
          "\\rule{0in}{1.0\\baselineskip}",
          lojban, selmao, trans);
      break;
    case OF_TEXT:
      printf ("%s <%s> [%s] ", lojban, selmao, trans);
      break;
    case OF_TEXTBLK:
      do_block(lojban, selmao, trans);
      break;
#ifdef PLIST
    case OF_PLIST:      
      dictionary = PLInsertDictionaryEntry(dictionary, PLMakeString(lojban), PLMakeString(trans));
      break;
#endif //PLIST
  }
}
Exemplo n.º 5
0
void square_dgemm( int M, double *A, double *B, double *C )
{
     for( int i = 0; i < M; i += BLOCK_SIZE )
          for( int j = 0; j < M; j += BLOCK_SIZE )
               for( int k = 0; k < M; k += BLOCK_SIZE )
                    do_block( M, A, B, C, i, j, k );
}
Exemplo n.º 6
0
static
stmt_code(stream, node, brk, cont, ret) {
    /* Handle the null expression. */
    if ( !node ) return;

    auto op = node[0];

    /* For debugging purposes, put a blank line between each statement. */
    fputs("\n", stream);

    if      ( op == 'dcls' ) declaration( stream, node );

    else if ( op == 'brea' ) branch( stream, brk );
    else if ( op == 'cont' ) branch( stream, cont ); 
    else if ( op == 'retu' ) return_stmt( stream, node, ret );
    else if ( op == 'goto' ) goto_stmt( stream, node );

    else if ( op == 'if'   ) if_stmt( stream, node, brk, cont, ret );
    else if ( op == 'whil' ) while_stmt( stream, node, brk, cont, ret );
    else if ( op == 'for'  ) for_stmt( stream, node, brk, cont, ret );
    else if ( op == 'do'   ) do_stmt( stream, node, brk, cont, ret );
    else if ( op == 'swit' ) switch_stmt( stream, node, brk, cont, ret );
    else if ( op == 'case' 
          ||  op == 'defa' ) case_stmt( stream, node, brk, cont, ret );
    
    else if ( op == ':'    ) label_stmt( stream, node, brk, cont, ret );
    else if ( op == '{}'   ) do_block( stream, node, brk, cont, ret );
    else                     expr_code( stream, node, 0 );
}
Exemplo n.º 7
0
void
output_paren(const char *text)
{
  switch (ofmt) {
    case OF_LATEX:
      printf ("\\textrm{\\footnotesize %s}", text);
      break;
    case OF_TEXT:
      printf ("(%s) ", text);
      break;
    case OF_TEXTBLK:
      do_block("(", "(", "(");
      do_block(text, "", "");
      do_block(")", ")", ")");
      break;
  }
}
Exemplo n.º 8
0
static
fn_decl(stream, name, decl, block, frame_sz) {
    auto ret = new_label();
    start_fn(decl);
    prolog(stream, name, frame_sz);
    do_block(stream, block, -1, -1, ret);
    emit_label( stream, ret );
    epilog(stream, frame_sz);
    end_fn();
}
Exemplo n.º 9
0
 virtual void cipher(block_cipher::g_type::container_type & data)
 {
     int blocks = data.size() / m_blocklen;
     data_type * in = data.data();
     for (int i=0; i<blocks; i++)
     {
         do_block(in);
         in += m_blocklen;
     }
 }
Exemplo n.º 10
0
static void
input_from_stdin(size_t offset, size_t fp_len, int action, int options) {
  size_t len, buf_len;

  if (action == BMZ_A_LIST) {
    do_list(0);
  }
  else {
    void *data = read_from_fp(stdin, &len, &buf_len);
    do_block(data, len, buf_len, offset, fp_len, action, options);
  }
}
Exemplo n.º 11
0
/*static*/ void *rnc_pack (void *original, long datalen, long *packlen) {
    int i;
    char *data = original;
    long origlen = datalen;

    packed = malloc(PACKED_DELTA);
    if (!packed) {
	perror("malloc");
	exit(1);
    }
    packedlen = PACKED_DELTA;    
    packedpos = 20;
    bwrite (packed+4, datalen);

    bitpos = 18;
    bitcount = 0;
    bitbuf = 0;
    write_bits (0, 2);

    while (datalen > 0) {
	blklen = datalen > BLOCKMAX ? BLOCKMAX : datalen;
	blkstart = WINMAX - BLOCKMAX;
	if (blkstart > origlen-datalen)
	    blkstart = origlen-datalen;
	memcpy (blk, data-blkstart, blkstart+blklen);
	for (i=0; i<HASHMAX; i++)
	    hashp[i] = -1;
	ntuple = 0;
	tuples[ntuple].rawlen = 0;
	blklen += blkstart;
	do_block();
	data += bpos - blkstart;
	datalen -= bpos - blkstart;
	write_block();
    }

    if (bitcount > 0) {
	write_bits (0, 17-bitcount);   /* force flush */
	packedpos -= 2;		       /* write_bits will have moved it on */
    }

    *packlen = packedpos;

    bwrite (packed, RNC_SIGNATURE);
    bwrite (packed+12, rnc_crc(packed+18, packedpos-18));
    bwrite (packed+10, rnc_crc(original, origlen));
    bwrite (packed+8, packedpos-18);
    packed[16] = packed[17] = 0;

    return packed;
}
Exemplo n.º 12
0
void square_dgemm(const int M, const double *A, const double *B, double *C)
{
    const int n_blocks = M / BLOCK_SIZE + (M%BLOCK_SIZE? 1 : 0);
    int bi, bj, bk;
    for (bi = 0; bi < n_blocks; ++bi) {
        const int i = bi * BLOCK_SIZE;
        for (bj = 0; bj < n_blocks; ++bj) {
            const int j = bj * BLOCK_SIZE;
            for (bk = 0; bk < n_blocks; ++bk) {
                const int k = bk * BLOCK_SIZE;
                do_block(M, A, B, C, i, j, k);
            }
        }
    }
}
 void square_dgemm (int lda, double* A, double* B, double* C)
{

  double *A_block, *B_block;
  posix_memalign((void **)&A_block, 64, BLOCK_L1 * BLOCK_L1 * sizeof(double));
  posix_memalign((void **)&B_block, 64, BLOCK_L1 * BLOCK_L1 * sizeof(double));

  // reorcder loops for cache efficiency
  for (int t = 0; t < lda; t += BLOCK_L2) 
  {
    // For each block column of B 
    for (int s = 0; s < lda; s += BLOCK_L2) 
    {
      // For each block row of A 
      for (int r = 0; r < lda; r += BLOCK_L2) 
      {
        // compute end index of smaller block
        int end_k = t + min(BLOCK_L2, lda-t);
        int end_j = s + min(BLOCK_L2, lda-s);
        int end_i = r + min(BLOCK_L2, lda-r);

        for (int k = t; k < end_k; k += BLOCK_L1) 
        {
          // For each block column of B 
          for (int j = s; j < end_j; j += BLOCK_L1) 
          {
            // For each block row of A
            for (int i = r; i < end_i; i += BLOCK_L1) 
            {
              // compute block size
              int K = min(BLOCK_L1, end_k-k);
              int N = min(BLOCK_L1, end_j-j);
              int M = min(BLOCK_L1, end_i-i);
              /* Performs a smaller dgemm operation
               *  C' := C' + A' * B'
               * where C' is M-by-N, A' is M-by-K, and B' is K-by-N. */
              //do_block(lda, M, N, K, A + i + k*lda, B + k + j*lda, C + i + j*lda);
              do_block(lda, M, N, K, A + i + k*lda, B + k + j*lda, C + i + j*lda, A_block, B_block);
            }
          }
        }
      }
    }
  }
  free(A_block);
  free(B_block);
}
Exemplo n.º 14
0
void do_block2(const int lda,
              const double * A, const double * B, double * C,
              const int i, const int j, const int k)
{
    const int n_blocks = BLOCK2_SIZE / BLOCK3_SIZE + (BLOCK2_SIZE%BLOCK3_SIZE? 1 : 0);
    int bi, bj, bk;
    for (bi = 0; bi < n_blocks; ++bi) {
        const int r = bi * BLOCK3_SIZE;
        for (bj = 0; bj < n_blocks; ++bj) {
            const int s = bj * BLOCK3_SIZE;
            for (bk = 0; bk < n_blocks; ++bk) {
                const int t = bk * BLOCK3_SIZE;
                do_block(lda, A, B, C, i+r, j+s, k+t);
            }
        }
    }
}
Exemplo n.º 15
0
static void
input_from_file(const char *fname, size_t offset, size_t fp_len, int action,
                int options) {
  size_t len, buf_len;
  int fd = open(fname, O_RDONLY, 0);

  if (fd == -1) DIE("cannot open '%s'", fname);

  if (action == BMZ_A_LIST) {
    do_list(fd);
  }
  else {
    void *data = read_from_fd(fd, &len, &buf_len);
    do_block(data, len, buf_len, offset, fp_len, action, options);
  }
  /* close and free etc. are omitted intentionally */
}
Exemplo n.º 16
0
/* This routine performs a dgemm operation
 *  C := C + A * B
 * where A, B, and C are lda-by-lda matrices stored in column-major format.
 * On exit, A and B maintain their input values. */
void square_dgemm (int lda, double* A, double* B, double* C)
{
    /* For each block-row of A */
    for (int i = 0; i < lda; i += BLOCK_SIZE)
        /* For each block-column of B */
        for (int j = 0; j < lda; j += BLOCK_SIZE)
            /* Accumulate block dgemms into block of C */
            for (int k = 0; k < lda; k += BLOCK_SIZE)
            {
                /* Correct block dimensions if block "goes off edge of" the matrix */
                int M = min (BLOCK_SIZE, lda-i);
                int N = min (BLOCK_SIZE, lda-j);
                int K = min (BLOCK_SIZE, lda-k);

                /* Perform individual block dgemm */
                do_block(lda, M, N, K, A + i + k*lda, B + k + j*lda, C + i + j*lda);
            }
}
Exemplo n.º 17
0
void
block_sigio(void)
{
  PRINT_TIME(NOFD, &tnow, &tprev, "block_sigio: entered sigio_blocked = %d",
    sigio_blocked);

  if (sigio_blocked == 1) {
    PRINT_TIME(NOFD, &tnow, &tprev,
      "block_sigio: is already blocked returning");
    return;
  }

  DEBG(MSG_INTR, "block_sigio: blocking\n");
  do_block();

  num_block_sigio++;
  DEBG(MSG_INTR, "block_sigio: unblocked = %15d blocked = %15d\n",
    num_unblock_sigio, num_block_sigio);

  DEBG(MSG_INTR, "block_sigio: setting sigio_blocked = 1\n");
  sigio_blocked = 1;
  DEBG(MSG_INTR, "block_sigio: done setting sigio_blocked = 1\n");
  PRINT_TIME(NOFD, &tnow, &tprev, "block_sigio: returning");
}
Exemplo n.º 18
0
void
block_all_signals()
{
    do_block(1);
}
Exemplo n.º 19
0
static void
push_buffer_impl(
    XferElement *elt,
    gpointer buf,
    size_t len)
{
    XferDestDevice *self = XFER_DEST_DEVICE(elt);
    gpointer to_free = buf;

    /* Handle EOF */
    if (!buf) {
	/* write out the partial buffer, if there's anything in it */
	if (self->partial_length) {
	    if (!do_block(self, self->block_size, self->partial)) {
		return;
	    }
	    self->partial_length = 0;
	}

	device_finish_file(self->device);
	return;
    }

    /* set up the block buffer, now that we can depend on having a blocksize
     * from the device */
    if (!self->partial) {
	self->partial = g_try_malloc(self->device->block_size);
	if (self->partial == NULL) {
	    xfer_cancel_with_error(elt, "%s: Cannot allocate memory",
				   self->device->device_name);
	    wait_until_xfer_cancelled(elt->xfer);
	    return;
	}
	self->block_size = self->device->block_size;
	self->partial_length = 0;
    }

    /* if we already have data in the buffer, add the new data to it */
    if (self->partial_length != 0) {
	gsize to_copy = min(self->block_size - self->partial_length, len);
	memmove((char *)self->partial + self->partial_length, buf, to_copy);
	buf = (gpointer)(to_copy + (char *)buf);
	len -= to_copy;
	self->partial_length += to_copy;
    }

    /* and if the buffer is now full, write the block */
    if (self->partial_length == self->block_size) {
	if (!do_block(self, self->block_size, self->partial)) {
	    g_free(to_free);
	    return;
	}
	self->partial_length = 0;
    }

    /* write any whole blocks directly from the push buffer */
    while (len >= self->block_size) {
	if (!do_block(self, self->block_size, buf)) {
	    g_free(to_free);
	    return;
	}

	buf = (gpointer)(self->block_size + (char *)buf);
	len -= self->block_size;
    }

    /* and finally store any leftover data in the partial buffer */
    if (len) {
	memmove(self->partial, buf, len);
	self->partial_length = len;
    }

    g_free(to_free);
}
Exemplo n.º 20
0
void
gnupg_block_all_signals ()
{
  do_block(1);
}
Exemplo n.º 21
0
void
gnupg_unblock_all_signals ()
{
  do_block(0);
}
Exemplo n.º 22
0
void
unblock_all_signals()
{
    do_block(0);
}