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synced 2025-08-31 05:14:11 +02:00
Move test files on slices from tests/ to glib/tests/
slice-color.c and slice-concurrent.c are moved from tests/ to glib/tests/ Related to issue #1434
This commit is contained in:
committed by
Philip Withnall
parent
1f2f3d7f37
commit
5931ed8c2b
@@ -98,6 +98,10 @@ glib_tests = {
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},
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'shell' : {},
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'slice' : {},
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'slice-color' : {
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'extra_sources' : ['memchunks.c'],
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},
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'slice-concurrent' : {},
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'slist' : {},
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'sort' : {},
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'spawn-multithreaded' : {},
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133
glib/tests/slice-color.c
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133
glib/tests/slice-color.c
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@@ -0,0 +1,133 @@
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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 2.1 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, see <http://www.gnu.org/licenses/>.
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*/
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#include <glib.h>
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#define ALIGN(size, base) \
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((base) * (gsize) (((size) + (base) - 1) / (base)))
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static void
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fill_memory (guint **mem,
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guint n,
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guint val)
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{
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guint j;
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for (j = 0; j < n; j++)
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mem[j][0] = val;
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}
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static guint64
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access_memory3 (guint **mema,
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guint **memb,
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guint **memd,
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guint n,
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guint64 repeats)
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{
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guint64 accu = 0, i, j;
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for (i = 0; i < repeats; i++)
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{
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for (j = 1; j < n; j += 2)
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memd[j][0] = mema[j][0] + memb[j][0];
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}
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for (i = 0; i < repeats; i++)
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for (j = 0; j < n; j++)
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accu += memd[j][0];
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return accu;
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}
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static void
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touch_mem (guint64 block_size,
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guint64 n_blocks,
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guint64 repeats)
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{
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GTimer *timer;
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guint **mema, **memb, **memc;
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guint64 j, accu, n = n_blocks;
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mema = g_new (guint*, n);
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for (j = 0; j < n; j++)
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mema[j] = g_slice_alloc (block_size);
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memb = g_new (guint*, n);
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for (j = 0; j < n; j++)
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memb[j] = g_slice_alloc (block_size);
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memc = g_new (guint*, n);
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for (j = 0; j < n; j++)
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memc[j] = g_slice_alloc (block_size);
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timer = g_timer_new();
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fill_memory (mema, n, 2);
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fill_memory (memb, n, 3);
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fill_memory (memc, n, 4);
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access_memory3 (mema, memb, memc, n, 3);
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g_timer_start (timer);
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accu = access_memory3 (mema, memb, memc, n, repeats);
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g_timer_stop (timer);
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g_test_message ("Access-time = %fs", g_timer_elapsed (timer, NULL));
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g_assert_cmpuint (accu / repeats, ==, (2 + 3) * n / 2 + 4 * n / 2);
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for (j = 0; j < n; j++)
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{
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g_slice_free1 (block_size, mema[j]);
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g_slice_free1 (block_size, memb[j]);
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g_slice_free1 (block_size, memc[j]);
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}
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g_timer_destroy (timer);
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g_free (mema);
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g_free (memb);
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g_free (memc);
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}
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static void
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test_slice_colors (void)
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{
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guint64 block_size = 512;
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guint64 area_size = 1024 * 1024;
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guint64 n_blocks, repeats = 1000000;
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/* figure number of blocks from block and area size.
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* divide area by 3 because touch_mem() allocates 3 areas */
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n_blocks = area_size / 3 / ALIGN (block_size, sizeof (gsize) * 2);
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g_test_message ("Allocate and touch %" G_GUINT64_FORMAT
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" blocks of %" G_GUINT64_FORMAT " bytes"
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" (= %" G_GUINT64_FORMAT " bytes) %" G_GUINT64_FORMAT
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" times with color increment",
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n_blocks, block_size, n_blocks * block_size, repeats);
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touch_mem (block_size, n_blocks, repeats);
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}
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int
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main (int argc, char **argv)
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{
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g_test_init (&argc, &argv, NULL);
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g_test_add_func ("/slice/colors", test_slice_colors);
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return g_test_run ();
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}
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130
glib/tests/slice-concurrent.c
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130
glib/tests/slice-concurrent.c
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@@ -0,0 +1,130 @@
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/* test for gslice cross thread allocation/free
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* Copyright (C) 2006 Stefan Westerfeld
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* Copyright (C) 2007 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 2.1 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, see <http://www.gnu.org/licenses/>.
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*/
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#include <glib.h>
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#include <stdlib.h>
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#define N_THREADS 8
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#define N_ALLOCS 50000
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#define MAX_BLOCK_SIZE 64
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struct ThreadData
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{
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int thread_id;
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GThread* gthread;
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GMutex to_free_mutex;
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void* to_free [N_THREADS * N_ALLOCS];
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int bytes_to_free [N_THREADS * N_ALLOCS];
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int n_to_free;
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int n_freed;
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} tdata[N_THREADS];
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static void *
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thread_func (void *arg)
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{
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int i;
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struct ThreadData *td = arg;
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for (i = 0; i < N_ALLOCS; i++)
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{
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int bytes, f, t;
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char *mem;
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if (rand() % (N_ALLOCS / 20) == 0)
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g_test_message ("%c", 'a' - 1 + td->thread_id);
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/* allocate block of random size and randomly fill */
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bytes = rand() % MAX_BLOCK_SIZE + 1;
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mem = g_slice_alloc (bytes);
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for (f = 0; f < bytes; f++)
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mem[f] = rand();
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/* associate block with random thread */
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t = rand() % N_THREADS;
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g_mutex_lock (&tdata[t].to_free_mutex);
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tdata[t].to_free[tdata[t].n_to_free] = mem;
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tdata[t].bytes_to_free[tdata[t].n_to_free] = bytes;
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tdata[t].n_to_free++;
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g_mutex_unlock (&tdata[t].to_free_mutex);
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/* shuffle thread execution order every once in a while */
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if (rand() % 97 == 0)
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{
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if (rand() % 2)
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g_thread_yield(); /* concurrent shuffling for single core */
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else
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g_usleep (1000); /* concurrent shuffling for multi core */
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}
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/* free a block associated with this thread */
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g_mutex_lock (&td->to_free_mutex);
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if (td->n_to_free > 0)
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{
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td->n_to_free--;
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g_slice_free1 (td->bytes_to_free[td->n_to_free],
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td->to_free[td->n_to_free]);
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td->n_freed++;
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}
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g_mutex_unlock (&td->to_free_mutex);
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}
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return NULL;
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}
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static void
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test_concurrent_slice (void)
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{
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int t;
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for (t = 0; t < N_THREADS; t++)
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{
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tdata[t].thread_id = t + 1;
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tdata[t].n_to_free = 0;
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tdata[t].n_freed = 0;
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}
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for (t = 0; t < N_THREADS; t++)
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{
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tdata[t].gthread = g_thread_new (NULL, thread_func, &tdata[t]);
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g_assert_nonnull (tdata[t].gthread);
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}
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for (t = 0; t < N_THREADS; t++)
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{
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g_thread_join (tdata[t].gthread);
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}
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for (t = 0; t < N_THREADS; t++)
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{
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g_test_message ("Thread %d: %d blocks freed, %d blocks not freed",
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tdata[t].thread_id, tdata[t].n_freed, tdata[t].n_to_free);
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}
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}
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int
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main (int argc, char **argv)
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{
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g_test_init (&argc, &argv, NULL);
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g_test_add_func ("/slice/concurrent", test_concurrent_slice);
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return g_test_run ();
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}
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