efee1712aa
* fix.. speed_limit error... * draw tpms settings. * fix.. traffic light stopping only.. * fix.. waze cam * fix.. waze... * add setting (Enable comma connect ) * auto detect LFA2 * fix.. cruisespeed1 * vff2 driving model. * fix.. * agnos 12.3 * fix.. * ff * ff * test * ff * fix.. drawTurnInfo.. * Update drive_helpers.py * fix.. support eng voice eng sounds fix settings... english fix.. mph.. fix.. roadlimit speed bug.. * new vff model.. 250608 * fix soundd.. * fix safe exit speed.. * fix.. sounds. * fix.. radar timeStep.. * KerryGold model * Update drive_helpers.py * fix.. model. * fix.. * fix.. * Revert "fix.." This reverts commit b09ec459afb855c533d47fd7e8a1a6b1a09466e7. * Revert "fix.." This reverts commit 290bec6b83a4554ca232d531a911edccf94a2156. * fix esim * add more acc table. 10kph * kg update.. * fix cruisebutton mode3 * test atc..cond. * fix.. canfd * fix.. angle control limit
114 lines
3.6 KiB
Python
114 lines
3.6 KiB
Python
#!/usr/bin/env python
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import gc, inspect
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import unittest
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import numpy as np
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from tinygrad.device import Buffer
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from tinygrad.engine.realize import run_schedule
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from tinygrad.uop.ops import UOp
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from tinygrad.tensor import Tensor
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def tensors_allocated():
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gc.collect()
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return sum([isinstance(x, Tensor) for x in gc.get_objects()])
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def bufs_allocated():
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gc.collect()
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return sum([isinstance(x, Buffer) for x in gc.get_objects()])
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class TestGC(unittest.TestCase):
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def test_gc(self):
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Tensor.manual_seed(0)
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base = tensors_allocated()
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a = Tensor.rand(4, 4, requires_grad=True)
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b = Tensor.zeros(4, 4, requires_grad=True)
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(a*b).mean().backward()
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assert (tensors_allocated()-base > 0)
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del a,b
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assert (tensors_allocated()-base == 2) # one for Tensor._device_rng_counters, and one for Tensor._device_seeds
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Tensor.manual_seed(0)
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def test_gc_complex(self):
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Tensor.manual_seed(0)
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base = tensors_allocated()
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a = Tensor(np.zeros((4, 4), dtype=np.float32), requires_grad=True)
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b = Tensor.rand(4, 4, requires_grad=True)
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assert (tensors_allocated()-base == 4)
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(a*b).mean().backward()
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assert (tensors_allocated()-base == 6)
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del b
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assert (tensors_allocated()-base == 4)
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b = Tensor(np.zeros((4, 4), dtype=np.float32), requires_grad=True)
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print(tensors_allocated())
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(a*b).mean().backward()
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print(tensors_allocated())
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assert (tensors_allocated()-base == 6)
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del b
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assert (tensors_allocated()-base == 4)
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Tensor.manual_seed(0)
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def test_schedule_gc(self):
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init = bufs_allocated()
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x = Tensor.ones(256).contiguous().realize()
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y = Tensor.ones(5, 5).contiguous()
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y.schedule()
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del x
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del y
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self.assertEqual(bufs_allocated()-init, 0)
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def test_schedule_gc_with_inputs(self):
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init = bufs_allocated()
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x = Tensor.ones(256).contiguous().realize()
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y = x+Tensor.ones(256).contiguous()
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ys = y.schedule()
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del x
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run_schedule(ys)
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np.testing.assert_equal(y.numpy(), np.full((256,), 2))
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self.assertEqual(bufs_allocated()-init, 1)
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del y
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self.assertEqual(bufs_allocated()-init, 0)
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def test_toposort_blocks_gc(self):
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init = bufs_allocated()
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x = Tensor.ones(4,4).contiguous().realize()+1
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self.assertEqual(bufs_allocated()-init, 1)
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# try commenting this part out, it's green!
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x.lazydata.toposort()
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del x
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if bufs_allocated()-init != 0:
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print(inspect.getclosurevars(UOp.toposort().fget))
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raise AssertionError(f"never gced {[x for x in gc.get_objects() if isinstance(x, Buffer)]}")
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def test_buffer_refcount(self):
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init = bufs_allocated()
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a = Tensor.empty(10)
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self.assertEqual(bufs_allocated()-init, 0)
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a.realize()
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real_buf = a.lazydata.buffer
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# after the Tensor UOp is deleted there shouldn't be any references on the Buffer
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self.assertEqual(real_buf.lb_refcount, 1)
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self.assertEqual(bufs_allocated()-init, 1)
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del a.lazydata
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self.assertEqual(real_buf.lb_refcount, 0)
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self.assertEqual(bufs_allocated()-init, 1) # keep the buffer alive
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del real_buf
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self.assertEqual(bufs_allocated()-init, 0)
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def test_assign_refcount(self):
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init = bufs_allocated()
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a = Tensor.full((4,), 1.).contiguous()
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a.realize()
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real_buf = a.lazydata.buffer
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self.assertEqual(real_buf.lb_refcount, 1)
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a.assign(Tensor.full((4,), 2.))
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self.assertIs(a.lazydata.src[0].buffer, real_buf)
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# NOTE: this is still 1, we don't count the ASSIGN
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self.assertEqual(real_buf.lb_refcount, 1)
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a.realize()
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del a
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self.assertEqual(real_buf.lb_refcount, 0) # no UOps for this Buffer
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self.assertEqual(bufs_allocated()-init, 1) # Buffer is alive
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if __name__ == '__main__':
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unittest.main()
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