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| #!/usr/bin/env python3 | |
| # SPDX-License-Identifier: Apache-2.0 | |
| """Device profile of transfusion-p150: one eager forward and one traced replay of the whole graph between Tracy | |
| signposts. | |
| ROOT=/home/ubuntu/experiments/tt-models | |
| $ROOT/bin/devrun -t 3600 -- python -m tracy -r -p -v --no-web-server \\ | |
| -o $ROOT/generated/profiler/transfusion_baseline code/scripts/profile_ops.py | |
| tt-perf-report <ops_perf_results_*.csv> --start-signpost trace --end-signpost trace_end --tracing-mode | |
| python code/scripts/profile_summary.py <the same csv> profile_summary.json --md profile_summary.md | |
| Sections (signposts): ``eager`` .. ``eager_end``, one eager forward after the warm-up (``TraceRunner.run_eager``: | |
| the same graph and programs as the trace, nothing compiled), and ``trace`` .. ``trace_end``, ``--replays`` replays | |
| of the captured ``default`` trace (the served device path; the uploaded inputs are the voxelized ``--input``). The | |
| device profiler buffer is flushed (``ttnn.ReadDeviceProfiler``) before and after each section, and inside the eager | |
| section after every module (``--flush-modules``, default on: a frame is well above the profiler buffer's 1,000 | |
| programs). Inside the eager section every module of the graph opens a signpost (``m:pfn``, ``m:scatter``, | |
| ``m:backbone.block<i>``, ``m:neck``, ``m:head.shared``, ``m:head.heatmap.hidden``, ``m:head.heatmap``, | |
| ``m:head.sigmoid``, ``m:head.local_max``, ``m:query.topk``, ``m:query.decode``, ``m:query.init``, ``m:query.keys``, | |
| ``m:query.decoder``, ``m:query.predict``, ``m:query.heat``, ``m:query.pack``) and every backbone conv a layer | |
| signpost (``c:backbone.block<i>.conv<j>``; ``--no-layer-signposts`` turns them off), so the ops of the eager | |
| forward, and through the identical op order those of the replay, can be attributed to modules | |
| (``profile_summary.py``). The trace section is flushed every replay; with ``TT_METAL_PROFILER_MID_RUN_DUMP=1`` the | |
| profiler also dumps mid-trace (needed when one replay exceeds the buffer). The output folder must be absolute and | |
| outside the bundle (PLAN.md 5.1). | |
| """ | |
| from __future__ import annotations | |
| import argparse | |
| import json | |
| import time | |
| from pathlib import Path | |
| from typing import Callable, List, Sequence | |
| from tt_transfusion import TransFusion | |
| from tt_transfusion.ttaw.profiling import read_device_profiler, signpost, signposted | |
| SAMPLE = Path(__file__).resolve().parents[1] / "tt_transfusion" / "samples" / "test_pcd.npz" | |
| class _Signposted: | |
| """A callable stand-in for a module that emits its signposts, then calls the module (attributes forward).""" | |
| def __init__(self, inner, labels: Sequence[str], flush: Callable[[], None] = None): | |
| self.inner, self._labels, self._flush = inner, list(labels), flush | |
| def __call__(self, *args, **kwargs): | |
| if self._flush is not None: | |
| self._flush() | |
| for label in self._labels: | |
| signpost(label) | |
| return self.inner(*args, **kwargs) | |
| def __getattr__(self, name): | |
| return getattr(self.inner, name) | |
| def module_signposts(graph, layers: bool = True, flush: Callable[[], None] = None) -> Callable[[], None]: | |
| """Wrap the modules of a ``tt.model.TtTransFusion`` (and the module-level ops its forward calls) with | |
| signposting stand-ins; returns the function that restores them. ``flush`` runs before each module signpost | |
| (device profiler read-out: one eager frame holds more programs than the buffer).""" | |
| from tt_transfusion.tt import model as tt_model | |
| undo: List[Callable[[], None]] = [] | |
| def swap(obj, attr, labels, fl=flush): | |
| inner = getattr(obj, attr) | |
| setattr(obj, attr, _Signposted(inner, labels, fl)) | |
| undo.append(lambda: setattr(obj, attr, inner)) | |
| def swap_method(obj, attr, labels, fl=flush): | |
| """An instance attribute that shadows a bound method (removed again on restore).""" | |
| inner = getattr(obj, attr) | |
| setattr(obj, attr, _Signposted(inner, labels, fl)) | |
| undo.append(lambda: delattr(obj, attr)) | |
| def swap_item(seq, i, labels, fl=flush): | |
| inner = seq[i] | |
| seq[i] = _Signposted(inner, labels, fl) | |
| undo.append(lambda: seq.__setitem__(i, inner)) | |
| def swap_fn(module, name, label): | |
| inner = getattr(module, name) | |
| def wrapped(*args, **kwargs): | |
| if flush is not None: | |
| flush() | |
| signpost(label) | |
| return inner(*args, **kwargs) | |
| setattr(module, name, wrapped) | |
| undo.append(lambda: setattr(module, name, inner)) | |
| swap(graph, "pfn", ["m:pfn"]) | |
| swap_fn(tt_model, "scatter_rows", "m:scatter") | |
| for i, block in enumerate(graph.backbone.blocks): | |
| for j in range(len(block)): | |
| labels = ([f"m:backbone.block{i}"] if j == 0 else []) + ([f"c:backbone.block{i}.conv{j}"] if layers else []) | |
| swap_item(block, j, labels, flush if j == 0 else None) | |
| swap(graph, "neck", ["m:neck"]) | |
| swap(graph, "shared", ["m:head.shared"]) | |
| swap(graph, "hm_hidden", ["m:head.heatmap.hidden"]) | |
| swap(graph, "hm_out", ["m:head.heatmap"]) | |
| swap_fn(tt_model, "sigmoid_heat", "m:head.sigmoid") | |
| swap(graph, "local_max", ["m:head.local_max"]) | |
| qh = graph.query_head | |
| swap_method(qh.select, "indices", ["m:query.topk"]) | |
| swap_method(qh.select, "decode", ["m:query.decode"]) | |
| for attr, label in (("init_queries", "m:query.init"), ("keys", "m:query.keys"), ("decoder", "m:query.decoder"), | |
| ("predict", "m:query.predict"), ("query_heat", "m:query.heat"), | |
| ("_indices_tile", "m:query.pack")): | |
| swap_method(qh, attr, [label]) | |
| def restore() -> None: | |
| for fn in reversed(undo): | |
| fn() | |
| return restore | |
| def main() -> None: | |
| ap = argparse.ArgumentParser(description=__doc__.split("\n")[0]) | |
| ap.add_argument("--input", default=str(SAMPLE)) | |
| ap.add_argument("--dispatch", default=None, choices=["eth", "worker"]) | |
| ap.add_argument("--cqs", type=int, default=None, choices=[1, 2]) | |
| ap.add_argument("--replays", type=int, default=1, help="replays inside the trace section") | |
| ap.add_argument("--weights-dir", default=None) | |
| ap.add_argument("--no-eager", dest="eager", action="store_false") | |
| ap.add_argument("--no-layer-signposts", dest="layers", action="store_false") | |
| ap.add_argument("--no-flush-modules", dest="flush_modules", action="store_false") | |
| a = ap.parse_args() | |
| import ttnn | |
| from tt_transfusion.tt.model import stage_inputs | |
| t0 = time.perf_counter() | |
| with TransFusion.from_pretrained(dispatch=a.dispatch, num_command_queues=a.cqs, | |
| weights_dir=a.weights_dir) as model: | |
| tr, dev = model.runner, model.device | |
| print("loaded in %.1f s:" % (time.perf_counter() - t0), json.dumps(model.device_info), flush=True) | |
| prepared = model._prepare(points=a.input) | |
| out = model(a.input) # one served frame: upload + replay + readback | |
| print(f"{out.to_dict()['num_detections']} detections, {prepared.num_pillars} pillars", flush=True) | |
| ttnn.synchronize_device(dev) | |
| read_device_profiler(dev) # warm-up / capture / first frame out of the buffer | |
| inputs = stage_inputs(model.staging, prepared) | |
| variant = getattr(model.staging, "variant", "default") # PFN_BUCKETS: the frame's capacity variant | |
| print(f"variant {variant}", flush=True) | |
| if a.eager: | |
| def flush(): | |
| ttnn.synchronize_device(dev) | |
| read_device_profiler(dev) | |
| restore = module_signposts(model.graph, layers=a.layers, flush=flush if a.flush_modules else None) | |
| try: | |
| with signposted("eager"): | |
| tr.run_eager(variant, inputs=inputs) | |
| ttnn.synchronize_device(dev) | |
| finally: | |
| restore() | |
| read_device_profiler(dev) | |
| tr.upload(inputs) | |
| ttnn.synchronize_device(dev) | |
| read_device_profiler(dev) | |
| with signposted("trace"): | |
| for _ in range(a.replays): | |
| tr.replay(variant) | |
| ttnn.synchronize_device(dev) | |
| read_device_profiler(dev) | |
| read_device_profiler(dev) | |
| print("trace:", json.dumps(tr.describe()), flush=True) | |
| if __name__ == "__main__": | |
| main() | |