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StarPilot/tinygrad_repo/test/external/mlperf_bert/external_benchmark_bert.py
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firestar5683 22a8575199 Vendor dependencies and resources for standalone builds
Keep official openpilot ancestry and dependency licenses. Store resources directly in Git, remove LFS setup requirements, and leave the downloadable big model outside the source tree.
2026-10-03 21:01:18 +00:00

103 lines
4.3 KiB
Python

import unittest, time
from tinygrad import Tensor, TinyJit, GlobalCounters, Device
from tinygrad.helpers import getenv, Context
from tinygrad.nn.optim import LAMB
from tinygrad.nn.state import get_parameters
from tinygrad.engine.realize import run_linear
from extra.models import bert
bs = getenv("BS", 16)
seq_len = getenv("SEQ_LEN", 512)
class BenchmarkBertTrain(unittest.TestCase):
def _get_layer(self, layer_id):
if not hasattr(self, "model"):
dropout_prob = 0.0 if getenv("DISABLE_DROPOUT") else 0.1
self.model = bert.BertForPretraining(attention_probs_dropout_prob=dropout_prob, hidden_dropout_prob=dropout_prob)
hidden_size = self.model.bert.embeddings.word_embeddings.embed_sz
intermediate_size = self.model.bert.encoder.layer[0].intermediate.dense.weight.shape[0]
layer_map = {
"embedding": self.model.bert.embeddings,
"attention_self": self.model.bert.encoder.layer[0].attention.self,
"attention_output": self.model.bert.encoder.layer[0].attention.output,
"intermediate": self.model.bert.encoder.layer[0].intermediate,
"output": self.model.bert.encoder.layer[0].output
}
input_shapes = {
"embedding": [(bs, seq_len), (bs, seq_len)],
"attention_self": [(bs, seq_len, hidden_size), (bs, 1, 1, seq_len)],
"attention_output": [(bs, seq_len, hidden_size), (bs, seq_len, 1)],
"intermediate": [(bs, seq_len, hidden_size)],
"output": [(bs, seq_len, intermediate_size), (bs, seq_len, 1)]
}.get(layer_id)
return f"{layer_id}-layer, Input: {input_shapes}", layer_map.get(layer_id), input_shapes
def _test_layer(self, name, layer, input_shapes):
optim = LAMB(get_parameters(layer))
with Context(TRACK_MATCH_STATS=0): Tensor.realize(*[t.assign(t.detach().contiguous()) for t in get_parameters(optim)])
JITCNT = getenv("JITCNT", 1)
@TinyJit
@Context(TRAINING=1)
def step(inputs):
optim.zero_grad()
for i in inputs: i.grad = None
y = layer(*inputs).contiguous().contiguous_backward()
y.sum().backward()
if getenv("ASSIGN", 1): linear, var_vals = Tensor.linear_with_vars(y, *list(inputs), *optim.schedule_step())
else: linear, var_vals = Tensor.linear_with_vars(y, *list(inputs), *[t.grad for t in optim.params])
for _ in range(JITCNT):
run_linear(linear, var_vals)
CNT = getenv("CNT", 5)
best_tm = None
flops, mem_used, mem, kernels = None, None, None, None
for _ in range(CNT):
with Context(TRACK_MATCH_STATS=0): inputs = [Tensor.randn(*shape).realize() for shape in input_shapes]
GlobalCounters.reset()
st = time.perf_counter()
step(inputs)
Device[Device.DEFAULT].synchronize()
et = time.perf_counter()
flops = GlobalCounters.global_ops / JITCNT
mem_used = GlobalCounters.mem_used
mem = GlobalCounters.global_mem / JITCNT
if kernels is None: kernels = GlobalCounters.kernel_count // JITCNT
tm = (et-st) / JITCNT
if best_tm is None or tm < best_tm: best_tm = tm
print(f"\r{name:70s}: {best_tm * 1000:>9.2f} ms, {flops / 10**12 / best_tm:>6.2f} TFLOPS, {mem / 10**9 / best_tm:>5.0f} GB/s, "
f"{mem_used / 10**9: 6.2f} GB used, {kernels:>5d} kernels")
return best_tm, flops, mem, kernels
def test_embedding_layer(self): self._est(*self._test_layer(*self._get_layer("embedding")), 1)
def test_attention_self_layer(self): self._est(*self._test_layer(*self._get_layer("attention_self")), 24) # Assumes BERT-large
def test_attention_output_layer(self): self._est(*self._test_layer(*self._get_layer("attention_output")), 24)
def test_intermediate_layer(self): self._est(*self._test_layer(*self._get_layer("intermediate")), 24)
def test_output_layer(self): self._est(*self._test_layer(*self._get_layer("output")), 24)
est_tm, est_flops, est_mem, est_kernels = 0, 0, 0, 0
@classmethod
def _est(cls, tm, flops, mem, kernels, mult):
cls.est_tm += tm * mult
cls.est_flops += flops * mult
cls.est_mem += mem * mult
cls.est_kernels += kernels * mult
@classmethod
def tearDownClass(cls):
print(f"\restimated step tm: {cls.est_tm * 1000.0:.2f} ms, {cls.est_flops / 10 ** 12 / cls.est_tm:.3f} tflops, "
f"{cls.est_mem / 10 ** 9 / cls.est_tm:.2f} GB/s, {cls.est_kernels} kernels")
if __name__ == "__main__":
unittest.main()