[pre-commit.ci] auto fixes from pre-commit.com hooks

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This commit is contained in:
pre-commit-ci[bot] 2026-03-12 10:34:54 +00:00 committed by Daniel Han
commit 0400928135
2 changed files with 109 additions and 63 deletions

View file

@ -37,7 +37,7 @@ MODELS = [
# (label, use_cce) — all use compile=True, gradient_checkpointing=True
CONFIGS = [
("Baseline+compile", False),
("CCE+compile", True),
("CCE+compile", True),
]
BATCH_SIZE = 8
@ -54,7 +54,8 @@ LORA_ALPHA = 16
# WORKER — runs a single (model, config) in isolation
# =============================================================================
def run_worker(model_name, display_name, use_lora, use_cce, wandb_project=None):
def run_worker(model_name, display_name, use_lora, use_cce, wandb_project = None):
"""Run in a subprocess. Prints training progress to stderr, JSON result to stdout."""
import gc
import mlx.core as mx
@ -71,15 +72,22 @@ def run_worker(model_name, display_name, use_lora, use_cce, wandb_project=None):
tokenizer.pad_token = tokenizer.eos_token
# Load pure MLX model (dequantizes 4-bit weights to full precision MLX arrays)
print(f"Loading MLX model: {model_name}", file=sys.stderr)
print(f"Loading MLX model: {model_name}", file = sys.stderr)
model = MLXLlamaForCausalLM.from_pretrained(model_name)
if use_lora:
lora_config = LoRAConfigLora(
r=LORA_RANK,
lora_alpha=LORA_ALPHA,
target_modules=["q_proj", "k_proj", "v_proj", "o_proj",
"gate_proj", "up_proj", "down_proj"],
r = LORA_RANK,
lora_alpha = LORA_ALPHA,
target_modules = [
"q_proj",
"k_proj",
"v_proj",
"o_proj",
"gate_proj",
"up_proj",
"down_proj",
],
)
model = get_peft_model(model, lora_config)
@ -89,6 +97,7 @@ def run_worker(model_name, display_name, use_lora, use_cce, wandb_project=None):
# Check if mx.fast.cce_loss is available (for mlx-cce)
# If available, we need to explicitly disable for baseline
import mlx.core as mx
has_fast_cce = hasattr(mx, "fast") and hasattr(mx.fast, "cce_loss")
# If mx.fast.cce_loss exists, CCE is auto-enabled by default
@ -101,13 +110,15 @@ def run_worker(model_name, display_name, use_lora, use_cce, wandb_project=None):
# Wrap __call__ to inject use_cce
_original_call = model.__call__
def _call_with_cce(*args, **kwargs):
kwargs["use_cce"] = use_cce_for_call
return _original_call(*args, **kwargs)
model.__call__ = _call_with_cce
# Local dataset loading and batching
dataset = load_dataset("emozilla/pg19-test", split="test", streaming=True)
dataset = load_dataset("emozilla/pg19-test", split = "test", streaming = True)
def create_batches(n):
batch_input_ids = []
@ -115,10 +126,10 @@ def run_worker(model_name, display_name, use_lora, use_cce, wandb_project=None):
for item in dataset:
encoded = tokenizer(
item["text"],
max_length=SEQ_LEN,
padding="max_length",
truncation=True,
return_tensors="np",
max_length = SEQ_LEN,
padding = "max_length",
truncation = True,
return_tensors = "np",
)
batch_input_ids.append(mx.array(encoded["input_ids"][0]))
if len(batch_input_ids) == BATCH_SIZE:
@ -129,18 +140,18 @@ def run_worker(model_name, display_name, use_lora, use_cce, wandb_project=None):
break
# Use MLX native Adafactor
optimizer = mx_opt.Adafactor(learning_rate=LR)
optimizer = mx_opt.Adafactor(learning_rate = LR)
config = TrainingConfig(
batch_size=BATCH_SIZE,
num_epochs=1,
logging_steps=1,
batch_size = BATCH_SIZE,
num_epochs = 1,
logging_steps = 1,
)
trainer = MLXTrainer(
model=model,
optimizer=optimizer,
config=config,
model = model,
optimizer = optimizer,
config = config,
)
gc.collect()
@ -150,30 +161,36 @@ def run_worker(model_name, display_name, use_lora, use_cce, wandb_project=None):
# We manually run the training loop to track per-step metrics accurately
loss_history = []
step_times = []
total_steps = WARMUP_STEPS + MEASURE_STEPS
data_iter = create_batches(total_steps)
print(f"Starting training loop (warmup={WARMUP_STEPS}, measure={MEASURE_STEPS})...", file=sys.stderr)
print(
f"Starting training loop (warmup={WARMUP_STEPS}, measure={MEASURE_STEPS})...",
file = sys.stderr,
)
for i in range(total_steps):
try:
batch = next(data_iter)
except StopIteration:
break
t0 = time.time()
step_result = trainer.training_step(batch)
mx.synchronize()
t1 = time.time()
loss = step_result["loss"]
loss_history.append(loss)
if i >= WARMUP_STEPS:
step_times.append(t1 - t0)
if (i + 1) % 5 == 0 or i < 5:
print(f" Step {i+1}/{total_steps} | Loss: {loss:.4f} | Time: {(t1-t0)*1000:.0f}ms", file=sys.stderr)
print(
f" Step {i+1}/{total_steps} | Loss: {loss:.4f} | Time: {(t1-t0)*1000:.0f}ms",
file = sys.stderr,
)
mx.synchronize()
peak_gb = mx.get_peak_memory() / 1e9
@ -182,7 +199,7 @@ def run_worker(model_name, display_name, use_lora, use_cce, wandb_project=None):
ms_per_step = 0
else:
ms_per_step = (sum(step_times) / len(step_times)) * 1000
final_loss = loss_history[-1] if loss_history else 0
nan_count = sum(1 for l in loss_history if l != l)
@ -190,16 +207,17 @@ def run_worker(model_name, display_name, use_lora, use_cce, wandb_project=None):
try:
import wandb
import mlx.core as mx
# Add suffix to distinguish mlx-cce vs regular mlx in W&B
has_fast_cce = hasattr(mx, "fast") and hasattr(mx.fast, "cce_loss")
cce_suffix = " (mlx-cce)" if has_fast_cce else " (mlx)"
label = ("CCE+compile" if use_cce else "Baseline+compile") + cce_suffix
run = wandb.init(
project=wandb_project,
name=f"{display_name} ({label})",
group=display_name,
reinit=True,
config={
project = wandb_project,
name = f"{display_name} ({label})",
group = display_name,
reinit = True,
config = {
"model_name": model_name,
"display_name": display_name,
"use_lora": use_lora,
@ -209,18 +227,18 @@ def run_worker(model_name, display_name, use_lora, use_cce, wandb_project=None):
"warmup_steps": WARMUP_STEPS,
"measure_steps": MEASURE_STEPS,
"lr": LR,
}
},
)
for i, loss in enumerate(loss_history):
wandb.log({"loss": loss, "step": i + 1})
wandb.run.summary["ms_per_step"] = ms_per_step
wandb.run.summary["peak_gb"] = peak_gb
wandb.run.summary["final_loss"] = final_loss
wandb.run.summary["nan_count"] = nan_count
run.finish()
except ImportError:
print("Warning: wandb not installed, skipping logging.", file=sys.stderr)
print("Warning: wandb not installed, skipping logging.", file = sys.stderr)
result = {
"ms_per_step": ms_per_step,
@ -229,25 +247,29 @@ def run_worker(model_name, display_name, use_lora, use_cce, wandb_project=None):
"nan_count": nan_count,
}
# Print JSON on a marker line so orchestrator can parse it
print(f"__RESULT__ {json.dumps(result)}", flush=True)
print(f"__RESULT__ {json.dumps(result)}", flush = True)
# =============================================================================
# ORCHESTRATOR — spawns subprocesses and collects results
# =============================================================================
def run_subprocess(cmd):
"""Run a subprocess, streaming stdout line by line. Returns (stdout_lines, returncode)."""
proc = subprocess.Popen(
cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
text=True, bufsize=1,
cmd,
stdout = subprocess.PIPE,
stderr = subprocess.STDOUT,
text = True,
bufsize = 1,
)
lines = []
for line in proc.stdout:
line = line.rstrip("\n")
lines.append(line)
if not line.startswith("__RESULT__"):
print(f" {line}", flush=True)
print(f" {line}", flush = True)
proc.wait()
return lines, proc.returncode
@ -257,7 +279,9 @@ def main(args):
print("Unsloth MLX Benchmark: Baseline+compile vs CCE+compile")
print(" Gradient Checkpointing: ON | Compile: ON | Isolation: subprocess")
print("=" * 80)
print(f"Batch: {BATCH_SIZE}, Seq: {SEQ_LEN}, Warmup: {WARMUP_STEPS}, Measure: {MEASURE_STEPS}")
print(
f"Batch: {BATCH_SIZE}, Seq: {SEQ_LEN}, Warmup: {WARMUP_STEPS}, Measure: {MEASURE_STEPS}"
)
print(f"Optimizer: Adafactor (lr={LR})")
print(f"Models: {len(MODELS)}, Configs: {len(CONFIGS)}")
print("=" * 80)
@ -279,18 +303,26 @@ def main(args):
for label, use_cce in configs:
# Skip 8bit models for baseline since they won't load in standard transformers on MPS
if "8bit" in model_name.lower() and label == "Baseline+compile":
print(f"\n --- {label} (SKIPPED: 8bit baseline not supported on MPS) ---")
print(
f"\n --- {label} (SKIPPED: 8bit baseline not supported on MPS) ---"
)
model_results[label] = None
continue
print(f"\n --- {label} ---")
cmd = [
python, script_path, "--worker",
"--model", model_name,
"--display_name", display_name,
"--use_cce", str(int(use_cce)),
"--use_lora", str(int(use_lora)),
python,
script_path,
"--worker",
"--model",
model_name,
"--display_name",
display_name,
"--use_cce",
str(int(use_cce)),
"--use_lora",
str(int(use_lora)),
]
if args.wandb:
cmd.extend(["--wandb_project", args.project])
@ -301,7 +333,7 @@ def main(args):
result = None
for line in lines:
if line.startswith("__RESULT__"):
result = json.loads(line[len("__RESULT__"):])
result = json.loads(line[len("__RESULT__") :])
if result and returncode == 0:
ms = result["ms_per_step"]
@ -310,7 +342,9 @@ def main(args):
nans = result["nan_count"]
model_results[label] = (ms, mem, loss, nans)
status = "OK" if nans == 0 else f"{nans} NaN"
print(f" >> {label}: {ms:.0f} ms/step | {mem:.2f} GB | loss={loss:.4f} | {status}")
print(
f" >> {label}: {ms:.0f} ms/step | {mem:.2f} GB | loss={loss:.4f} | {status}"
)
else:
model_results[label] = None
print(f" >> {label}: FAILED (exit={returncode})")
@ -321,7 +355,9 @@ def main(args):
if bl and cce:
speedup = bl[0] / cce[0] if cce[0] > 0 else 0
mem_save = (bl[1] - cce[1]) / bl[1] * 100 if bl[1] > 0 else 0
print(f"\n >> {display_name}: CCE+compile is {speedup:.2f}x speed, {mem_save:.1f}% mem saved")
print(
f"\n >> {display_name}: CCE+compile is {speedup:.2f}x speed, {mem_save:.1f}% mem saved"
)
all_results.append((display_name, model_results))
@ -331,7 +367,9 @@ def main(args):
print(f"\n\n{'='*80}")
print("FINAL SUMMARY — Baseline+compile vs CCE+compile (GC=ON, compile=ON)")
print("=" * 80)
print(f"{ 'Model':<22} {'BL+compile':>14} {'CCE+compile':>14} {'Speedup':>8} {'MemSave':>8}")
print(
f"{ 'Model':<22} {'BL+compile':>14} {'CCE+compile':>14} {'Speedup':>8} {'MemSave':>8}"
)
print("-" * 80)
for display_name, model_results in all_results:
@ -351,7 +389,8 @@ def main(args):
f"{display_name:<22} "
f"{bl[0]:>7.0f}ms {bl[1]:>5.1f}GB "
f"{cce[0]:>7.0f}ms {cce[1]:>5.1f}GB "
f"{speedup:>7.2f}x {mem_save:>7.1f}%")
f"{speedup:>7.2f}x {mem_save:>7.1f}%"
)
print("=" * 80)
print("Done!")
@ -359,18 +398,25 @@ def main(args):
if __name__ == "__main__":
import argparse
parser = argparse.ArgumentParser(allow_abbrev=False)
parser.add_argument("--worker", action="store_true")
parser.add_argument("--model", type=str)
parser.add_argument("--display_name", type=str)
parser.add_argument("--use_cce", type=int, default=0)
parser.add_argument("--use_lora", type=int, default=1)
parser.add_argument("--wandb_project", type=str, default=None)
parser.add_argument("--wandb", action="store_true")
parser.add_argument("--project", type=str, default="unsloth-mlx-benchmark")
parser = argparse.ArgumentParser(allow_abbrev = False)
parser.add_argument("--worker", action = "store_true")
parser.add_argument("--model", type = str)
parser.add_argument("--display_name", type = str)
parser.add_argument("--use_cce", type = int, default = 0)
parser.add_argument("--use_lora", type = int, default = 1)
parser.add_argument("--wandb_project", type = str, default = None)
parser.add_argument("--wandb", action = "store_true")
parser.add_argument("--project", type = str, default = "unsloth-mlx-benchmark")
args = parser.parse_args()
if args.worker:
run_worker(args.model, args.display_name, bool(args.use_lora), bool(args.use_cce), args.wandb_project)
run_worker(
args.model,
args.display_name,
bool(args.use_lora),
bool(args.use_cce),
args.wandb_project,
)
else:
main(args)

View file

@ -2,7 +2,7 @@ import torch
import mlx.core as mx
from unsloth.kernels.mlx.bridge import mlx_to_torch
arr = mx.array([[1, 2, 3], [4, 5, 6]], dtype=mx.int32)
arr = mx.array([[1, 2, 3], [4, 5, 6]], dtype = mx.int32)
tensor = mlx_to_torch(arr)
print("Tensor:", tensor)
print("Tensor device:", tensor.device)