apicompatanamdw/bcdrivers/os/ossrv/glib/tests/slice-test.c
author bdonegan
Tue, 21 Sep 2010 10:35:24 +0100
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permissions -rw-r--r--
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/* GLIB sliced memory - fast threaded memory chunk allocator
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 * Copyright (C) 2005 Tim Janik
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, write to the
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 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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 * Boston, MA 02111-1307, USA.
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 */
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#include <glib.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/time.h> // gettimeofday
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#define quick_rand32()  (rand_accu = 1664525 * rand_accu + 1013904223, rand_accu)
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static guint    prime_size = 1021; // 769; // 509
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static gboolean clean_memchunks = FALSE;
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static guint    number_of_blocks = 10000;          /* total number of blocks allocated */
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static guint    number_of_repetitions = 10000;     /* number of alloc+free repetitions */
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/* --- old memchunk prototypes (memchunks.c) --- */
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void            old_mem_chunks_init     (void);
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GMemChunk*      old_mem_chunk_new       (const gchar  *name,
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                                         gint          atom_size,
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                                         gulong        area_size,
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                                         gint          type);
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void            old_mem_chunk_destroy   (GMemChunk *mem_chunk);
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gpointer        old_mem_chunk_alloc     (GMemChunk *mem_chunk);
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gpointer        old_mem_chunk_alloc0    (GMemChunk *mem_chunk);
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void            old_mem_chunk_free      (GMemChunk *mem_chunk,
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                                         gpointer   mem);
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void            old_mem_chunk_clean     (GMemChunk *mem_chunk);
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void            old_mem_chunk_reset     (GMemChunk *mem_chunk);
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void            old_mem_chunk_print     (GMemChunk *mem_chunk);
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void            old_mem_chunk_info      (void);
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#ifndef G_ALLOC_AND_FREE
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#define G_ALLOC_AND_FREE  2
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#endif
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/* --- functions --- */
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static inline gpointer
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memchunk_alloc (GMemChunk **memchunkp,
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                guint       size)
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{
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  size = MAX (size, 1);
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  if (G_UNLIKELY (!*memchunkp))
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    *memchunkp = old_mem_chunk_new ("", size, 4096, G_ALLOC_AND_FREE);
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  return old_mem_chunk_alloc (*memchunkp);
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}
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static inline void
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memchunk_free (GMemChunk *memchunk,
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               gpointer   chunk)
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{
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  old_mem_chunk_free (memchunk, chunk);
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  if (clean_memchunks)
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    old_mem_chunk_clean (memchunk);
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}
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static gpointer
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test_memchunk_thread (gpointer data)
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{
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  GMemChunk **memchunks;
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  guint i, j;
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  guint8 **ps;
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  guint   *ss;
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  guint32 rand_accu = 2147483563;
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  /* initialize random numbers */
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  if (data)
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    rand_accu = *(guint32*) data;
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  else
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    {
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      struct timeval rand_tv;
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      gettimeofday (&rand_tv, NULL);
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      rand_accu = rand_tv.tv_usec + (rand_tv.tv_sec << 16);
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    }
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  /* prepare for memchunk creation */
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  memchunks = g_alloca (sizeof (memchunks[0]) * prime_size);
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  memset (memchunks, 0, sizeof (memchunks[0]) * prime_size);
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  ps = g_new (guint8*, number_of_blocks);
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  ss = g_new (guint, number_of_blocks);
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  /* create number_of_blocks random sizes */
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  for (i = 0; i < number_of_blocks; i++)
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    ss[i] = quick_rand32() % prime_size;
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  /* allocate number_of_blocks blocks */
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  for (i = 0; i < number_of_blocks; i++)
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    ps[i] = memchunk_alloc (&memchunks[ss[i]], ss[i]);
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  for (j = 0; j < number_of_repetitions; j++)
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    {
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      /* free number_of_blocks/2 blocks */
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      for (i = 0; i < number_of_blocks; i += 2)
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        memchunk_free (memchunks[ss[i]], ps[i]);
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      /* allocate number_of_blocks/2 blocks with new sizes */
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      for (i = 0; i < number_of_blocks; i += 2)
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        {
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          ss[i] = quick_rand32() % prime_size;
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          ps[i] = memchunk_alloc (&memchunks[ss[i]], ss[i]);
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        }
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    }
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  /* free number_of_blocks blocks */
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  for (i = 0; i < number_of_blocks; i++)
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    memchunk_free (memchunks[ss[i]], ps[i]);
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  /* alloc and free many equally sized chunks in a row */
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  for (i = 0; i < number_of_repetitions; i++)
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    {
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      guint sz = quick_rand32() % prime_size;
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   119
      guint k = number_of_blocks / 100;
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      for (j = 0; j < k; j++)
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   121
        ps[j] = memchunk_alloc (&memchunks[sz], sz);
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   122
      for (j = 0; j < k; j++)
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   123
        memchunk_free (memchunks[sz], ps[j]);
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   124
    }
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   125
  /* cleanout memchunks */
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   126
  for (i = 0; i < prime_size; i++)
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    if (memchunks[i])
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      old_mem_chunk_destroy (memchunks[i]);
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   129
  g_free (ps);
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   130
  g_free (ss);
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   131
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  return NULL;
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   133
}
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   134
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   135
static gpointer
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test_sliced_mem_thread (gpointer data)
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{
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   138
guint i, j;
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   139
guint   *ss; 
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   140
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   141
guint8 **ps;
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  guint32 rand_accu = 2147483563;
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  /* initialize random numbers */
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   144
  if (data)
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    rand_accu = *(guint32*) data;
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   146
  else
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   147
    {
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      struct timeval rand_tv;
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      gettimeofday (&rand_tv, NULL);
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      rand_accu = rand_tv.tv_usec + (rand_tv.tv_sec << 16);
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   151
    }
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   152
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   153
//guint i,j;
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   154
/* guint8*/ ps = g_new (guint8*, number_of_blocks);
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/* guint*/  ss = g_new (guint, number_of_blocks);
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  /* create number_of_blocks random sizes */
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   157
  for (i = 0; i < number_of_blocks; i++)
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   158
    ss[i] = quick_rand32() % prime_size;
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   159
  /* allocate number_of_blocks blocks */
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   160
  for (i = 0; i < number_of_blocks; i++)
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   161
    ps[i] = g_slice_alloc (ss[i]);
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   162
  for (j = 0; j < number_of_repetitions; j++)
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   163
    {
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   164
      /* free number_of_blocks/2 blocks */
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   165
      for (i = 0; i < number_of_blocks; i += 2)
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   166
        g_slice_free1 (ss[i], ps[i]);
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   167
      /* allocate number_of_blocks/2 blocks with new sizes */
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   168
      for (i = 0; i < number_of_blocks; i += 2)
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   169
        {
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   170
          ss[i] = quick_rand32() % prime_size;
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   171
          ps[i] = g_slice_alloc (ss[i]);
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   172
        }
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   173
    }
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   174
  /* free number_of_blocks blocks */
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   175
  for (i = 0; i < number_of_blocks; i++)
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   176
    g_slice_free1 (ss[i], ps[i]);
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   177
  /* alloc and free many equally sized chunks in a row */
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   178
  for (i = 0; i < number_of_repetitions; i++)
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   179
    {
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   180
      guint sz = quick_rand32() % prime_size;
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   181
      guint k = number_of_blocks / 100;
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   182
      for (j = 0; j < k; j++)
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   183
        ps[j] = g_slice_alloc (sz);
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   184
      for (j = 0; j < k; j++)
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   185
        g_slice_free1 (sz, ps[j]);
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   186
    }
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   187
  g_free (ps);
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   188
  g_free (ss);
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diff changeset
   189
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   190
  return NULL;
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diff changeset
   191
}
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   192
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   193
static void
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   194
usage (void)
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   195
{
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   196
  g_print ("Usage: slice-test [n_threads] [G|S|M|O][f][c] [maxblocksize] [seed]\n");
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   197
}
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   198
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   199
int
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   200
main (int   argc,
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   201
      char *argv[])
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   202
{
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   203
  gchar strseed[64] = "<random>";
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   204
   
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   205
  guint seed32, *seedp = NULL;
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   206
  gboolean ccounters = FALSE, use_memchunks = FALSE;
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   207
  guint n_threads = 1;
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   208
  guint i;
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   209
  GThread *threads[1];
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   210
  const gchar *mode = "slab allocator + magazine cache", *emode = " ";
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   211
  if (argc > 1)
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   212
    n_threads = g_ascii_strtoull (argv[1], NULL, 10);
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   213
  if (argc > 2)
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   214
    {
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   215
      guint i, l = strlen (argv[2]);
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   216
      for (i = 0; i < l; i++)
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   217
        switch (argv[2][i])
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   218
          {
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   219
          case 'G': /* GLib mode */
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   220
            g_slice_set_config (G_SLICE_CONFIG_ALWAYS_MALLOC, FALSE);
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   221
            g_slice_set_config (G_SLICE_CONFIG_BYPASS_MAGAZINES, FALSE);
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   222
            mode = "slab allocator + magazine cache";
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   223
            break;
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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diff changeset
   224
          case 'S': /* slab mode */
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   225
            g_slice_set_config (G_SLICE_CONFIG_ALWAYS_MALLOC, FALSE);
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   226
            g_slice_set_config (G_SLICE_CONFIG_BYPASS_MAGAZINES, TRUE);
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   227
            mode = "slab allocator";
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   228
            break;
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   229
          case 'M': /* malloc mode */
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   230
            g_slice_set_config (G_SLICE_CONFIG_ALWAYS_MALLOC, TRUE);
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   231
            mode = "system malloc";
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   232
            break;
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   233
          case 'O': /* old memchunks */
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   234
            use_memchunks = TRUE;
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   235
            mode = "old memchunks";
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   236
            break;
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   237
          case 'f': /* eager freeing */
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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            g_slice_set_config (G_SLICE_CONFIG_WORKING_SET_MSECS, 0);
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            clean_memchunks = TRUE;
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            emode = " with eager freeing";
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            break;
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          case 'c': /* print contention counters */
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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            ccounters = TRUE;
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            break;
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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          default:
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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            usage();
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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            return 1;
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          }
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   249
    }
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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  if (argc > 3)
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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    prime_size = g_ascii_strtoull (argv[3], NULL, 10);
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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  if (argc > 4)
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    {
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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      seed32 = g_ascii_strtoull (argv[4], NULL, 10);
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      seedp = &seed32;
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   256
    }
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   257
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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  g_thread_init (NULL);
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   259
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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  if (argc <= 1)
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   261
    usage();
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   262
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   263
 // gchar strseed[64] = "<random>";
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   264
  if (seedp)
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   265
    g_snprintf (strseed, 64, "%u", *seedp);
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   266
  g_print ("Starting %d threads allocating random blocks <= %u bytes with seed=%s using %s%s\n", n_threads, prime_size, strseed, mode, emode);
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   267
  
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   268
//  GThread *threads[n_threads];
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   269
//  guint i;
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   270
  if (!use_memchunks)
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   271
    for (i = 0; i < n_threads; i++)
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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      threads[i] = g_thread_create_full (test_sliced_mem_thread, seedp, 0, TRUE, FALSE, 0, NULL);
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   273
  else
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   274
    {
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   275
      old_mem_chunks_init();
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   276
      for (i = 0; i < n_threads; i++)
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   277
        threads[i] = g_thread_create_full (test_memchunk_thread, seedp, 0, TRUE, FALSE, 0, NULL);
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   278
    }
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   279
  for (i = 0; i < n_threads; i++)
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   280
    g_thread_join (threads[i]);
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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diff changeset
   281
  
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   282
  if (ccounters)
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   283
    {
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   284
      guint n, n_chunks = g_slice_get_config (G_SLICE_CONFIG_CHUNK_SIZES);
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   285
      g_print ("    ChunkSize | MagazineSize | Contention\n");
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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diff changeset
   286
      for (i = 0; i < n_chunks; i++)
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   287
        {
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   288
          gint64 *vals = g_slice_get_config_state (G_SLICE_CONFIG_CONTENTION_COUNTER, i, &n);
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   289
          g_print ("  %9llu   |  %9llu   |  %9llu\n", vals[0], vals[2], vals[1]);
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   290
          g_free (vals);
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
shrivatsa
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diff changeset
   291
        }
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
shrivatsa
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diff changeset
   292
    }
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
shrivatsa
parents:
diff changeset
   293
  else
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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   294
    g_print ("Done.\n");
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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parents:
diff changeset
   295
  return 0;
0cb2248d0edc New BC drivers added are - Phonebook, Speed dial utility control, MMS Client MTM, Plugin Bio control, Organizer,
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parents:
diff changeset
   296
}