def test_sum_cache(self):
''' Test individual cache stats summed up to aggregated cache stats. '''
num_l1d = zsimparse.config_get(self.cfg, 'sys caches l1d caches')
acc = 0
ins = 0
for idx in range(num_l1d):
acc += zsimparse.get_cache_access(self.dset, ('l1d', idx))
ins += zsimparse.get_cache_insertion(self.dset, ('l1d', idx))
self.assertEqual(zsimparse.get_cache_access(self.dset, 'l1d'), acc)
self.assertEqual(zsimparse.get_cache_insertion(self.dset, 'l1d'), ins)
def test_single_cache_higher_level(self):
'''
Test cache stats are consistent with each other, at higher levels.
'''
hits = zsimparse.get_cache_hit(self.dset, 'l2')
misses = zsimparse.get_cache_miss(self.dset, 'l2')
reads = zsimparse.get_cache_read(self.dset, 'l2')
writes = zsimparse.get_cache_write(self.dset, 'l2')
accesses = zsimparse.get_cache_access(self.dset, 'l2')
insertions = zsimparse.get_cache_insertion(self.dset, 'l2')
self.assertEqual(hits + misses, accesses)
self.assertEqual(reads + writes, accesses + insertions)
writebacks = zsimparse.get_cache_write(self.dset,
'l2',
with_insertion=False)
self.assertEqual(reads + writebacks, accesses)
def test_single_cache_first_level(self):
'''
Test cache stats are consistent with each other, at the first level.
'''
hits = zsimparse.get_cache_hit(self.dset, ('l1d', 0))
misses = zsimparse.get_cache_miss(self.dset, ('l1d', 0))
reads = zsimparse.get_cache_read(self.dset, ('l1d', 0))
writes = zsimparse.get_cache_write(self.dset, ('l1d', 0))
self.assertEqual(
hits,
zsimparse.get_cache_read_hit(self.dset, ('l1d', 0)) +
zsimparse.get_cache_write_hit(self.dset, ('l1d', 0)))
self.assertEqual(
misses,
zsimparse.get_cache_read_miss(self.dset, ('l1d', 0)) +
zsimparse.get_cache_write_miss(self.dset, ('l1d', 0)))
accesses = zsimparse.get_cache_access(self.dset, ('l1d', 0))
insertions = zsimparse.get_cache_insertion(self.dset, ('l1d', 0))
writebacks = zsimparse.get_cache_writeback(self.dset, ('l1d', 0))
self.assertEqual(hits + misses, accesses)
self.assertEqual(reads + writes, accesses + insertions + writebacks)