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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 /apps/plugins/test_mem.c
parent0ea2753d867aba3607497229a3cd671673df4b78 (diff)
Add memset/memcpy benches to test_mem plugin
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26135 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/plugins/test_mem.c')
-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;
/* (Byte per loop * loops)>>20 * ticks per s * 10 / ticks = dMB per s */
#define dMB_PER_SEC(cnt, delta) ((((BUF_SIZE*sizeof(int)*cnt)>>20)*HZ*10)/delta)
+void memset_test(volatile int *buf, int buf_size, int loop_cnt,
+ int line, char *ramtype)
+{
+ int delta, dMB, i;
+ int last_tick = *rb->current_tick;
+
+ for(i=0; i < loop_cnt; i++)
+ memset((void *)buf, 0xff, buf_size);
+
+ delta = *rb->current_tick - last_tick;
+ delta = delta>0 ? delta : delta+1;
+ dMB = dMB_PER_SEC(loop_cnt, delta);
+ rb->screens[0]->putsf(0, line, "%s st: %3d.%d MB/s (%2d ticks for %d MB)",
+ ramtype, dMB/10, dMB%10, delta,
+ (loop_cnt*BUF_SIZE*4)>>20);
+
+}
+
+void memcpy_test(volatile int *buf, int buf_size, int loop_cnt,
+ int line, char *ramtype)
+{
+ int delta, dMB, i;
+ int last_tick = *rb->current_tick;
+
+ for(i=0; i < loop_cnt; i++)
+ memcpy((void *)buf+(buf_size/2), (void *)buf, buf_size/2);
+
+ delta = *rb->current_tick - last_tick;
+ delta = delta>0 ? delta : delta+1;
+ dMB = dMB_PER_SEC(loop_cnt, delta);
+ rb->screens[0]->putsf(0, line, "%s cp: %3d.%d MB/s (%2d ticks for %d MB)",
+ ramtype, dMB/10, dMB%10, delta,
+ (loop_cnt*BUF_SIZE*4)>>21);
+
+}
+
void write_test(volatile int *buf, int buf_size, int loop_cnt,
int line, char *ramtype)
{
@@ -155,9 +191,13 @@ enum plugin_status plugin_start(const void* parameter)
read_test (buf_dram, BUF_SIZE, LOOP_REPEAT_DRAM, line++, "DRAM");
write_test(buf_dram, BUF_SIZE, LOOP_REPEAT_DRAM, line++, "DRAM");
+ memset_test(buf_dram, BUF_SIZE, LOOP_REPEAT_DRAM, line++, "DRAM");
+ memcpy_test(buf_dram, BUF_SIZE, LOOP_REPEAT_DRAM, line++, "DRAM");
#if defined(PLUGIN_USE_IRAM)
read_test (buf_iram, BUF_SIZE, LOOP_REPEAT_IRAM, line++, "IRAM");
write_test(buf_iram, BUF_SIZE, LOOP_REPEAT_IRAM, line++, "IRAM");
+ memset_test(buf_iram, BUF_SIZE, LOOP_REPEAT_DRAM, line++, "IRAM");
+ memcpy_test(buf_iram, BUF_SIZE, LOOP_REPEAT_DRAM, line++, "IRAM");
#endif
rb->screens[0]->update();