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authorMarcin Bukat <marcin.bukat@gmail.com>2010-05-18 10:14:15 +0000
committerMarcin Bukat <marcin.bukat@gmail.com>2010-05-18 10:14:15 +0000
commita5c90d4986c8ad28378bb5b39af1f5aaa12d7a83 (patch)
treeea2f41618fb374f2f2536348cad5ac7f2b00118a
parent0ea2753d867aba3607497229a3cd671673df4b78 (diff)
downloadrockbox-a5c90d4986c8ad28378bb5b39af1f5aaa12d7a83.tar.gz
rockbox-a5c90d4986c8ad28378bb5b39af1f5aaa12d7a83.zip
Add memset/memcpy benches to test_mem plugin
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26135 a1c6a512-1295-4272-9138-f99709370657
-rw-r--r--apps/plugins/test_mem.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/apps/plugins/test_mem.c b/apps/plugins/test_mem.c
index e8f54c3ba6..053d6a29ee 100644
--- a/apps/plugins/test_mem.c
+++ b/apps/plugins/test_mem.c
@@ -36,6 +36,42 @@ static volatile int buf_iram[BUF_SIZE] IBSS_ATTR;
36/* (Byte per loop * loops)>>20 * ticks per s * 10 / ticks = dMB per s */ 36/* (Byte per loop * loops)>>20 * ticks per s * 10 / ticks = dMB per s */
37#define dMB_PER_SEC(cnt, delta) ((((BUF_SIZE*sizeof(int)*cnt)>>20)*HZ*10)/delta) 37#define dMB_PER_SEC(cnt, delta) ((((BUF_SIZE*sizeof(int)*cnt)>>20)*HZ*10)/delta)
38 38
39void memset_test(volatile int *buf, int buf_size, int loop_cnt,
40 int line, char *ramtype)
41{
42 int delta, dMB, i;
43 int last_tick = *rb->current_tick;
44
45 for(i=0; i < loop_cnt; i++)
46 memset((void *)buf, 0xff, buf_size);
47
48 delta = *rb->current_tick - last_tick;
49 delta = delta>0 ? delta : delta+1;
50 dMB = dMB_PER_SEC(loop_cnt, delta);
51 rb->screens[0]->putsf(0, line, "%s st: %3d.%d MB/s (%2d ticks for %d MB)",
52 ramtype, dMB/10, dMB%10, delta,
53 (loop_cnt*BUF_SIZE*4)>>20);
54
55}
56
57void memcpy_test(volatile int *buf, int buf_size, int loop_cnt,
58 int line, char *ramtype)
59{
60 int delta, dMB, i;
61 int last_tick = *rb->current_tick;
62
63 for(i=0; i < loop_cnt; i++)
64 memcpy((void *)buf+(buf_size/2), (void *)buf, buf_size/2);
65
66 delta = *rb->current_tick - last_tick;
67 delta = delta>0 ? delta : delta+1;
68 dMB = dMB_PER_SEC(loop_cnt, delta);
69 rb->screens[0]->putsf(0, line, "%s cp: %3d.%d MB/s (%2d ticks for %d MB)",
70 ramtype, dMB/10, dMB%10, delta,
71 (loop_cnt*BUF_SIZE*4)>>21);
72
73}
74
39void write_test(volatile int *buf, int buf_size, int loop_cnt, 75void write_test(volatile int *buf, int buf_size, int loop_cnt,
40 int line, char *ramtype) 76 int line, char *ramtype)
41{ 77{
@@ -155,9 +191,13 @@ enum plugin_status plugin_start(const void* parameter)
155 191
156 read_test (buf_dram, BUF_SIZE, LOOP_REPEAT_DRAM, line++, "DRAM"); 192 read_test (buf_dram, BUF_SIZE, LOOP_REPEAT_DRAM, line++, "DRAM");
157 write_test(buf_dram, BUF_SIZE, LOOP_REPEAT_DRAM, line++, "DRAM"); 193 write_test(buf_dram, BUF_SIZE, LOOP_REPEAT_DRAM, line++, "DRAM");
194 memset_test(buf_dram, BUF_SIZE, LOOP_REPEAT_DRAM, line++, "DRAM");
195 memcpy_test(buf_dram, BUF_SIZE, LOOP_REPEAT_DRAM, line++, "DRAM");
158#if defined(PLUGIN_USE_IRAM) 196#if defined(PLUGIN_USE_IRAM)
159 read_test (buf_iram, BUF_SIZE, LOOP_REPEAT_IRAM, line++, "IRAM"); 197 read_test (buf_iram, BUF_SIZE, LOOP_REPEAT_IRAM, line++, "IRAM");
160 write_test(buf_iram, BUF_SIZE, LOOP_REPEAT_IRAM, line++, "IRAM"); 198 write_test(buf_iram, BUF_SIZE, LOOP_REPEAT_IRAM, line++, "IRAM");
199 memset_test(buf_iram, BUF_SIZE, LOOP_REPEAT_DRAM, line++, "IRAM");
200 memcpy_test(buf_iram, BUF_SIZE, LOOP_REPEAT_DRAM, line++, "IRAM");
161#endif 201#endif
162 202
163 rb->screens[0]->update(); 203 rb->screens[0]->update();