import unittest, ctypes, struct
from tinygrad import Device, Tensor, dtypes
from tinygrad.helpers import CI, getenv
from tinygrad.device import Buffer, BufferSpec
from tinygrad.runtime.support.hcq import HCQCompiled
from tinygrad.engine.schedule import create_schedule
from tinygrad.engine.realize import get_runner, CompiledRunner
from tinygrad.codegen.kernel import Kernel, Opt, OptOps
from tinygrad import Variable
MOCKGPU = getenv("MOCKGPU")
@unittest.skipUnless(issubclass(type(Device[Device.DEFAULT]), HCQCompiled), "HCQ device required to run")
class TestHCQ(unittest.TestCase):
@classmethod
def setUpClass(self):
TestHCQ.d0 = Device[Device.DEFAULT]
TestHCQ.a = Tensor([0.,1.], device=Device.DEFAULT).realize()
TestHCQ.b = self.a + 1
si = create_schedule([self.b.lazydata])[-1]
TestHCQ.runner = get_runner(TestHCQ.d0.device, si.ast)
TestHCQ.b.lazydata.buffer.allocate()
TestHCQ.kernargs_ba_ptr = TestHCQ.runner._prg.fill_kernargs([TestHCQ.b.lazydata.buffer._buf, TestHCQ.a.lazydata.buffer._buf])
TestHCQ.kernargs_ab_ptr = TestHCQ.runner._prg.fill_kernargs([TestHCQ.a.lazydata.buffer._buf, TestHCQ.b.lazydata.buffer._buf])
def setUp(self):
TestHCQ.d0.synchronize()
TestHCQ.a.lazydata.buffer.copyin(memoryview(bytearray(struct.pack("ff", 0, 1))))
TestHCQ.b.lazydata.buffer.copyin(memoryview(bytearray(struct.pack("ff", 0, 0))))
TestHCQ.d0.synchronize() # wait for copyins to complete
# Test signals
def test_signal(self):
for queue_type in [TestHCQ.d0.hw_compute_queue_t, TestHCQ.d0.hw_copy_queue_t]:
if queue_type is None: continue
with self.subTest(name=str(queue_type)):
queue_type().signal(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value).submit(TestHCQ.d0)
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value)
TestHCQ.d0.timeline_value += 1
def test_signal_update(self):
for queue_type in [TestHCQ.d0.hw_compute_queue_t, TestHCQ.d0.hw_copy_queue_t]:
if queue_type is None: continue
virt_val = Variable("sig_val", 0, 0xffffffff, dtypes.uint32)
virt_signal = TestHCQ.d0.signal_t(base_addr=Variable("sig_addr", 0, 0xffffffffffffffff, dtypes.uint64))
with self.subTest(name=str(queue_type)):
q = queue_type().signal(virt_signal, virt_val)
var_vals = {virt_signal.base_addr: TestHCQ.d0.timeline_signal.base_addr, virt_val: TestHCQ.d0.timeline_value}
q.submit(TestHCQ.d0, var_vals)
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value)
TestHCQ.d0.timeline_value += 1
var_vals = {virt_signal.base_addr: TestHCQ.d0.timeline_signal.base_addr, virt_val: TestHCQ.d0.timeline_value}
q.submit(TestHCQ.d0, var_vals)
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value)
TestHCQ.d0.timeline_value += 1
# Test wait
def test_wait(self):
for queue_type in [TestHCQ.d0.hw_compute_queue_t, TestHCQ.d0.hw_copy_queue_t]:
if queue_type is None: continue
with self.subTest(name=str(queue_type)):
fake_signal = TestHCQ.d0.signal_t()
fake_signal.value = 1
queue_type().wait(fake_signal, 1) \
.signal(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value).submit(TestHCQ.d0)
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value)
TestHCQ.d0.timeline_value += 1
@unittest.skipIf(MOCKGPU, "Can't handle async update on MOCKGPU for now")
def test_wait_late_set(self):
for queue_type in [TestHCQ.d0.hw_compute_queue_t, TestHCQ.d0.hw_copy_queue_t]:
if queue_type is None: continue
with self.subTest(name=str(queue_type)):
fake_signal = TestHCQ.d0.signal_t()
queue_type().wait(fake_signal, 1) \
.signal(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value).submit(TestHCQ.d0)
with self.assertRaises(RuntimeError):
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value, timeout=500)
fake_signal.value = 1
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value)
TestHCQ.d0.timeline_value += 1
def test_wait_update(self):
for queue_type in [TestHCQ.d0.hw_compute_queue_t, TestHCQ.d0.hw_copy_queue_t]:
if queue_type is None: continue
with self.subTest(name=str(queue_type)):
virt_val = Variable("sig_val", 0, 0xffffffff, dtypes.uint32)
virt_signal = TestHCQ.d0.signal_t(base_addr=Variable("sig_addr", 0, 0xffffffffffffffff, dtypes.uint64))
fake_signal = TestHCQ.d0.signal_t()
q = queue_type().wait(virt_signal, virt_val).signal(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value)
fake_signal.value = 0x30
q.submit(TestHCQ.d0, {virt_signal.base_addr: fake_signal.base_addr, virt_val: fake_signal.value})
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value)
TestHCQ.d0.timeline_value += 1
# Test exec
def test_exec_one_kernel(self):
TestHCQ.d0.hw_compute_queue_t().exec(TestHCQ.runner._prg, TestHCQ.kernargs_ba_ptr, TestHCQ.runner.p.global_size, TestHCQ.runner.p.local_size) \
.signal(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value).submit(TestHCQ.d0)
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value)
TestHCQ.d0.timeline_value += 1
val = TestHCQ.b.lazydata.buffer.as_buffer().cast("f")[0]
assert val == 1.0, f"got val {val}"
def test_exec_2_kernels_100_times(self):
virt_val = Variable("sig_val", 0, 0xffffffff, dtypes.uint32)
q = TestHCQ.d0.hw_compute_queue_t()
q.wait(TestHCQ.d0.timeline_signal, virt_val - 1) \
.exec(TestHCQ.runner._prg, TestHCQ.kernargs_ba_ptr, TestHCQ.runner.p.global_size, TestHCQ.runner.p.local_size) \
.exec(TestHCQ.runner._prg, TestHCQ.kernargs_ab_ptr, TestHCQ.runner.p.global_size, TestHCQ.runner.p.local_size) \
.signal(TestHCQ.d0.timeline_signal, virt_val)
for _ in range(100):
q.submit(TestHCQ.d0, {virt_val: TestHCQ.d0.timeline_value})
TestHCQ.d0.timeline_value += 1
val = TestHCQ.a.lazydata.buffer.as_buffer().cast("f")[0]
assert val == 200.0, f"got val {val}"
def test_exec_update(self):
sint_global = (Variable("sint_global", 0, 0xffffffff, dtypes.uint32),) + tuple(TestHCQ.runner.p.global_size[1:])
sint_local = (Variable("sint_local", 0, 0xffffffff, dtypes.uint32),) + tuple(TestHCQ.runner.p.local_size[1:])
q = TestHCQ.d0.hw_compute_queue_t()
q.exec(TestHCQ.runner._prg, TestHCQ.kernargs_ba_ptr, sint_global, sint_local) \
.signal(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value)
q.submit(TestHCQ.d0, {sint_global[0]: 1, sint_local[0]: 1})
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value)
TestHCQ.d0.timeline_value += 1
val = TestHCQ.b.lazydata.buffer.as_buffer().cast("f")[0]
assert val == 1.0, f"got val {val}"
val = TestHCQ.b.lazydata.buffer.as_buffer().cast("f")[1]
assert val == 0.0, f"got val {val}, should not be updated"
def test_exec_update_fuzz(self):
virt_val = Variable("sig_val", 0, 0xffffffff, dtypes.uint32)
virt_local = [Variable(f"local_{i}", 0, 0xffffffff, dtypes.uint32) for i in range(3)]
a = Tensor.randint((3, 3, 3), dtype=dtypes.int, device=Device.DEFAULT).realize()
b = a + 1
si = create_schedule([b.lazydata])[-1]
k = Kernel(si.ast, opts=TestHCQ.d0.renderer)
for i in range(3): k.apply_opt(Opt(op=OptOps.LOCAL, axis=0, amt=3))
runner = CompiledRunner(k.to_program())
zb = Buffer(Device.DEFAULT, 3 * 3 * 3, dtypes.int, options=BufferSpec(cpu_access=True, nolru=True)).ensure_allocated()
zt = Buffer(Device.DEFAULT, 3 * 3 * 3, dtypes.int, options=BufferSpec(cpu_access=True, nolru=True)).ensure_allocated()
ctypes.memset(zb._buf.va_addr, 0, zb.nbytes)
kernargs = runner._prg.fill_kernargs([zt._buf, zb._buf])
q = TestHCQ.d0.hw_compute_queue_t()
q.memory_barrier() \
.exec(runner._prg, kernargs, (1,1,1), virt_local) \
.signal(TestHCQ.d0.timeline_signal, virt_val)
for x in range(1, 4):
for y in range(1, 4):
for z in range(1, 4):
ctypes.memset(zt._buf.va_addr, 0, zb.nbytes)
q.submit(TestHCQ.d0, {virt_val: TestHCQ.d0.timeline_value, virt_local[0]: x, virt_local[1]: y, virt_local[2]: z})
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value)
TestHCQ.d0.timeline_value += 1
res_sum = sum(x for x in zt.as_buffer().cast("I"))
assert x * y * z == res_sum, f"want {x * y * z}, got {res_sum}"
# Test copy
def test_copy(self):
if TestHCQ.d0.hw_copy_queue_t is None: self.skipTest("device does not support copy queue")
TestHCQ.d0.hw_copy_queue_t().wait(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value - 1) \
.copy(TestHCQ.b.lazydata.buffer._buf.va_addr, TestHCQ.a.lazydata.buffer._buf.va_addr, 8) \
.signal(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value).submit(TestHCQ.d0)
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value)
TestHCQ.d0.timeline_value += 1
val = TestHCQ.b.lazydata.buffer.as_buffer().cast("f")[1]
assert val == 1.0, f"got val {val}"
def test_copy_long(self):
if TestHCQ.d0.hw_copy_queue_t is None: self.skipTest("device does not support copy queue")
sz = 64 << 20
buf1 = Buffer(Device.DEFAULT, sz, dtypes.int8, options=BufferSpec(nolru=True)).ensure_allocated()
buf2 = Buffer(Device.DEFAULT, sz, dtypes.int8, options=BufferSpec(host=True, nolru=True)).ensure_allocated()
ctypes.memset(buf2._buf.va_addr, 1, sz)
TestHCQ.d0.hw_copy_queue_t().wait(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value - 1) \
.copy(buf1._buf.va_addr, buf2._buf.va_addr, sz) \
.signal(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value).submit(TestHCQ.d0)
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value)
TestHCQ.d0.timeline_value += 1
mv_buf1 = buf1.as_buffer().cast('Q')
for i in range(sz//8): assert mv_buf1[i] == 0x0101010101010101, f"offset {i*8} differs, not all copied, got {hex(mv_buf1[i])}"
def test_update_copy(self):
if TestHCQ.d0.hw_copy_queue_t is None: self.skipTest("device does not support copy queue")
virt_src_addr = Variable("virt_src_addr", 0, 0xffffffffffffffff, dtypes.uint64)
virt_dest_addr = Variable("virt_dest_addr", 0, 0xffffffffffffffff, dtypes.uint64)
q = TestHCQ.d0.hw_copy_queue_t().wait(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value - 1) \
.copy(virt_dest_addr, virt_src_addr, 8) \
.signal(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value)
q.submit(TestHCQ.d0, {virt_src_addr: TestHCQ.a.lazydata.buffer._buf.va_addr, virt_dest_addr: TestHCQ.b.lazydata.buffer._buf.va_addr})
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value)
TestHCQ.d0.timeline_value += 1
val = TestHCQ.b.lazydata.buffer.as_buffer().cast("f")[1]
assert val == 1.0, f"got val {val}"
def test_update_copy_long(self):
if TestHCQ.d0.hw_copy_queue_t is None: self.skipTest("device does not support copy queue")
virt_src_addr = Variable("virt_src_addr", 0, 0xffffffffffffffff, dtypes.uint64)
virt_dest_addr = Variable("virt_dest_addr", 0, 0xffffffffffffffff, dtypes.uint64)
sz = 64 << 20
buf1 = Buffer(Device.DEFAULT, sz, dtypes.int8, options=BufferSpec(nolru=True)).ensure_allocated()
buf2 = Buffer(Device.DEFAULT, sz, dtypes.int8, options=BufferSpec(host=True, nolru=True)).ensure_allocated()
ctypes.memset(buf2._buf.va_addr, 1, sz)
q = TestHCQ.d0.hw_copy_queue_t().wait(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value - 1) \
.copy(virt_dest_addr, virt_src_addr, sz) \
.signal(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value)
q.submit(TestHCQ.d0, {virt_src_addr: buf2._buf.va_addr, virt_dest_addr: buf1._buf.va_addr})
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value)
TestHCQ.d0.timeline_value += 1
mv_buf1 = buf1.as_buffer().cast('Q')
for i in range(sz//8): assert mv_buf1[i] == 0x0101010101010101, f"offset {i*8} differs, not all copied, got {hex(mv_buf1[i])}"
# Test bind api
def test_bind(self):
for queue_type in [TestHCQ.d0.hw_compute_queue_t, TestHCQ.d0.hw_copy_queue_t]:
if queue_type is None: continue
virt_val = Variable("sig_val", 0, 0xffffffff, dtypes.uint32)
virt_signal = TestHCQ.d0.signal_t(base_addr=Variable("sig_addr", 0, 0xffffffffffffffff, dtypes.uint64))
with self.subTest(name=str(queue_type)):
fake_signal = TestHCQ.d0.signal_t()
q = queue_type().wait(virt_signal, virt_val).signal(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value)
q.bind(TestHCQ.d0)
fake_signal.value = 0x30
q.submit(TestHCQ.d0, {virt_signal.base_addr: fake_signal.base_addr, virt_val: fake_signal.value})
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value)
TestHCQ.d0.timeline_value += 1
# Test multidevice
def test_multidevice_signal_wait(self):
if TestHCQ.d0.hw_copy_queue_t is None: self.skipTest("device does not support copy queue")
try: d1 = Device[f"{Device.DEFAULT}:1"]
except Exception: self.skipTest("no multidevice, test skipped")
TestHCQ.d0.hw_copy_queue_t().signal(sig:=TestHCQ.d0.signal_t(value=0), value=0xfff) \
.signal(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value).submit(TestHCQ.d0)
d1.hw_copy_queue_t().wait(sig, value=0xfff) \
.signal(d1.timeline_signal, d1.timeline_value).submit(d1)
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value)
TestHCQ.d0.timeline_value += 1
d1.timeline_signal.wait(d1.timeline_value)
d1.timeline_value += 1
# Test profile api
def test_speed_exec_time(self):
sig_st, sig_en = TestHCQ.d0.signal_t(), TestHCQ.d0.signal_t()
TestHCQ.d0.hw_compute_queue_t().timestamp(sig_st) \
.exec(TestHCQ.runner._prg, TestHCQ.kernargs_ba_ptr, TestHCQ.runner.p.global_size, TestHCQ.runner.p.local_size) \
.timestamp(sig_en) \
.signal(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value).submit(TestHCQ.d0)
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value)
TestHCQ.d0.timeline_value += 1
et = float(sig_en.timestamp - sig_st.timestamp)
print(f"exec kernel time: {et:.2f} us")
assert 0.1 <= et <= (7000 if CI else 100)
def test_speed_copy_bandwidth(self):
if TestHCQ.d0.hw_copy_queue_t is None: self.skipTest("device does not support copy queue")
# THEORY: the bandwidth is low here because it's only using one SDMA queue. I suspect it's more stable like this at least.
SZ = 200_000_000
a = Buffer(Device.DEFAULT, SZ, dtypes.uint8, options=BufferSpec(nolru=True)).allocate()
b = Buffer(Device.DEFAULT, SZ, dtypes.uint8, options=BufferSpec(nolru=True)).allocate()
sig_st, sig_en = TestHCQ.d0.signal_t(), TestHCQ.d0.signal_t()
TestHCQ.d0.hw_copy_queue_t().timestamp(sig_st) \
.copy(a._buf.va_addr, b._buf.va_addr, SZ) \
.timestamp(sig_en) \
.signal(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value).submit(TestHCQ.d0)
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value)
TestHCQ.d0.timeline_value += 1
et = float(sig_en.timestamp - sig_st.timestamp)
et_ms = et / 1e3
gb_s = ((SZ / 1e9) / et_ms) * 1e3
print(f"same device copy: {et_ms:.2f} ms, {gb_s:.2f} GB/s")
assert (0.3 if CI else 10) <= gb_s <= 1000
def test_speed_cross_device_copy_bandwidth(self):
if TestHCQ.d0.hw_copy_queue_t is None: self.skipTest("device does not support copy queue")
try: _ = Device[f"{Device.DEFAULT}:1"]
except Exception: self.skipTest("no multidevice, test skipped")
SZ = 200_000_000
b = Buffer(f"{Device.DEFAULT}:1", SZ, dtypes.uint8, options=BufferSpec(nolru=True)).allocate()
a = Buffer(Device.DEFAULT, SZ, dtypes.uint8, options=BufferSpec(nolru=True)).allocate()
TestHCQ.d0._gpu_map(b._buf)
sig_st, sig_en = TestHCQ.d0.signal_t(), TestHCQ.d0.signal_t()
TestHCQ.d0.hw_copy_queue_t().timestamp(sig_st) \
.copy(a._buf.va_addr, b._buf.va_addr, SZ) \
.timestamp(sig_en) \
.signal(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value).submit(TestHCQ.d0)
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value)
TestHCQ.d0.timeline_value += 1
et = float(sig_en.timestamp - sig_st.timestamp)
et_ms = et / 1e3
gb_s = ((SZ / 1e9) / et_ms) * 1e3
print(f"cross device copy: {et_ms:.2f} ms, {gb_s:.2f} GB/s")
assert (0.3 if CI else 2) <= gb_s <= 50
def test_timeline_signal_rollover(self):
for queue_type in [TestHCQ.d0.hw_compute_queue_t, TestHCQ.d0.hw_copy_queue_t]:
if queue_type is None: continue
with self.subTest(name=str(queue_type)):
TestHCQ.d0.timeline_value = (1 << 32) - 20 # close value to reset
queue_type().signal(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value - 1).submit(TestHCQ.d0)
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value - 1)
for _ in range(40):
queue_type().wait(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value - 1) \
.signal(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value).submit(TestHCQ.d0)
TestHCQ.d0.timeline_value += 1
TestHCQ.d0.synchronize()
def test_small_copies_from_host_buf(self):
if TestHCQ.d0.hw_copy_queue_t is None: self.skipTest("device does not support copy queue")
buf1 = Buffer(Device.DEFAULT, 1, dtypes.int8, options=BufferSpec(nolru=True)).ensure_allocated()
buf2 = Buffer(Device.DEFAULT, 1, dtypes.int8, options=BufferSpec(host=True, nolru=True)).ensure_allocated()
for i in range(256):
ctypes.memset(buf2._buf.va_addr, i, 1)
TestHCQ.d0.hw_copy_queue_t().wait(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value - 1) \
.copy(buf1._buf.va_addr, buf2._buf.va_addr, 1) \
.signal(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value).submit(TestHCQ.d0)
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value)
TestHCQ.d0.timeline_value += 1
assert buf1.as_buffer()[0] == i
def test_small_copies_from_host_buf_intercopy(self):
if TestHCQ.d0.hw_copy_queue_t is None: self.skipTest("device does not support copy queue")
buf1 = Buffer(Device.DEFAULT, 1, dtypes.int8, options=BufferSpec(nolru=True)).ensure_allocated()
buf2 = Buffer(Device.DEFAULT, 1, dtypes.int8, options=BufferSpec(nolru=True)).ensure_allocated()
buf3 = Buffer(Device.DEFAULT, 1, dtypes.int8, options=BufferSpec(host=True, nolru=True)).ensure_allocated()
for i in range(256):
ctypes.memset(buf3._buf.va_addr, i, 1)
TestHCQ.d0.hw_copy_queue_t().wait(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value - 1) \
.copy(buf1._buf.va_addr, buf3._buf.va_addr, 1) \
.copy(buf2._buf.va_addr, buf1._buf.va_addr, 1) \
.signal(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value).submit(TestHCQ.d0)
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value)
TestHCQ.d0.timeline_value += 1
assert buf2.as_buffer()[0] == i
def test_small_copies_from_host_buf_transfer(self):
if TestHCQ.d0.hw_copy_queue_t is None: self.skipTest("device does not support copy queue")
try: _ = Device[f"{Device.DEFAULT}:1"]
except Exception: self.skipTest("no multidevice, test skipped")
buf1 = Buffer(Device.DEFAULT, 1, dtypes.int8, options=BufferSpec(nolru=True)).ensure_allocated()
buf2 = Buffer(f"{Device.DEFAULT}:1", 1, dtypes.int8, options=BufferSpec(nolru=True)).ensure_allocated()
buf3 = Buffer(Device.DEFAULT, 1, dtypes.int8, options=BufferSpec(host=True, nolru=True)).ensure_allocated()
TestHCQ.d0.allocator.map(buf2._buf)
for i in range(256):
ctypes.memset(buf3._buf.va_addr, i, 1)
TestHCQ.d0.hw_copy_queue_t().wait(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value - 1) \
.copy(buf1._buf.va_addr, buf3._buf.va_addr, 1) \
.copy(buf2._buf.va_addr, buf1._buf.va_addr, 1) \
.signal(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value).submit(TestHCQ.d0)
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value)
TestHCQ.d0.timeline_value += 1
assert buf2.as_buffer()[0] == i
def test_memory_barrier(self):
a = Tensor([0, 1], device=Device.DEFAULT, dtype=dtypes.int8).realize()
b = a + 1
runner = get_runner(TestHCQ.d0.device, create_schedule([b.lazydata])[-1].ast)
buf1 = Buffer(Device.DEFAULT, 2, dtypes.int8, options=BufferSpec(nolru=True)).ensure_allocated()
buf2 = Buffer(Device.DEFAULT, 2, dtypes.int8, options=BufferSpec(cpu_access=True, nolru=True)).ensure_allocated()
kernargs_ptr = runner._prg.fill_kernargs([buf1._buf, buf2._buf])
for i in range(255):
ctypes.memset(buf2._buf.va_addr, i, 2)
# Need memory_barrier after direct write to vram
TestHCQ.d0.hw_compute_queue_t().wait(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value - 1) \
.memory_barrier() \
.exec(runner._prg, kernargs_ptr, runner.p.global_size, runner.p.local_size) \
.signal(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value).submit(TestHCQ.d0)
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value)
TestHCQ.d0.timeline_value += 1
assert buf1.as_buffer()[0] == (i + 1), f"has {buf1.as_buffer()[0]}, need {i + 1}"
def test_memory_barrier_before_copy(self):
if TestHCQ.d0.hw_copy_queue_t is None: self.skipTest("device does not support copy queue")
buf1 = Buffer(Device.DEFAULT, 1, dtypes.int8, options=BufferSpec(nolru=True)).ensure_allocated()
buf2 = Buffer(Device.DEFAULT, 1, dtypes.int8, options=BufferSpec(nolru=True)).ensure_allocated()
buf3 = Buffer(Device.DEFAULT, 1, dtypes.int8, options=BufferSpec(cpu_access=True, nolru=True)).ensure_allocated()
for i in range(256):
ctypes.memset(buf3._buf.va_addr, i, 1)
# Need memory_barrier after direct write to vram
TestHCQ.d0.hw_compute_queue_t().wait(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value - 1) \
.memory_barrier() \
.signal(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value).submit(TestHCQ.d0)
TestHCQ.d0.timeline_value += 1
TestHCQ.d0.hw_copy_queue_t().wait(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value - 1) \
.copy(buf1._buf.va_addr, buf3._buf.va_addr, 1) \
.copy(buf2._buf.va_addr, buf1._buf.va_addr, 1) \
.signal(TestHCQ.d0.timeline_signal, TestHCQ.d0.timeline_value).submit(TestHCQ.d0)
TestHCQ.d0.timeline_signal.wait(TestHCQ.d0.timeline_value)
TestHCQ.d0.timeline_value += 1
assert buf2.as_buffer()[0] == i
if __name__ == "__main__":
unittest.main()