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tests/bitarithm_timings: add bitarithm_test_and_clear() to the test

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This commit is contained in:
Benjamin Valentin 2020-07-19 22:39:06 +02:00
parent a8904edd7d
commit 74bbb87f78
2 changed files with 41 additions and 0 deletions
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40
tests/bitarithm_timings/main.c
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@ -40,6 +40,15 @@
#define TIMEOUT (TIMEOUT_S * US_PER_SEC)
#define PER_ITERATION (4)
#if ARCH_32_BIT
#define TEST_AND_CLEAR_TEST_MASK_0 (0xA2101045UL)
#define TEST_AND_CLEAR_TEST_MASK_1 (0x22101044UL)
#else
#define TEST_AND_CLEAR_TEST_MASK_0 (0x9045UL)
#define TEST_AND_CLEAR_TEST_MASK_1 (0x1244UL)
#endif
static atomic_bool done;
static void callback(void *unused)
@ -84,6 +93,36 @@ static void run_test(const char *name, unsigned (*test)(unsigned))
printf("+ %s: %lu iterations per second\r\n", name, (4*PER_ITERATION) * count / TIMEOUT_S);
}
static unsigned do_test_and_clear(unsigned state)
{
uint8_t index = 0;
unsigned found = 0;
while (state) {
state = bitarithm_test_and_clear(state, &index);
found |= 1 << index;
}
return found;
}
static void run_test_test_and_clear(void)
{
unsigned long count = 0;
atomic_store(&done, false);
xtimer_t xtimer = { .callback = callback };
xtimer_set(&xtimer, TIMEOUT);
do {
assert(do_test_and_clear(TEST_AND_CLEAR_TEST_MASK_0) == TEST_AND_CLEAR_TEST_MASK_0);
assert(do_test_and_clear(TEST_AND_CLEAR_TEST_MASK_1) == TEST_AND_CLEAR_TEST_MASK_1);
++count;
} while (atomic_load(&done) == false);
printf("+ %s: %lu iterations per second\r\n", "bitarithm_test_and_clear", 2 * count / TIMEOUT_S);
}
#define run_test(test) run_test(#test, test)
int main(void)
@ -93,6 +132,7 @@ int main(void)
run_test(bitarithm_msb);
run_test(bitarithm_lsb);
run_test(bitarithm_bits_set);
run_test_test_and_clear();
printf("Done.\r\n");
return 0;

1
tests/bitarithm_timings/tests/01-run.py
View File

@ -15,6 +15,7 @@ def testfunc(child):
child.expect(r'\+ bitarithm_msb: \d+ iterations per second')
child.expect(r'\+ bitarithm_lsb: \d+ iterations per second')
child.expect(r'\+ bitarithm_bits_set: \d+ iterations per second')
child.expect(r'\+ bitarithm_test_and_clear: \d+ iterations per second')
child.expect_exact("Done.")