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5a30a32af8
* small viz fixups from the swizzle pads branch [run_process_replay] * handle indexed ones
102 lines
4.4 KiB
Python
Executable File
102 lines
4.4 KiB
Python
Executable File
#!/usr/bin/env python3
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from dataclasses import asdict, dataclass
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from typing import Dict, List, Tuple
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import pickle, re, os, sys, time, threading, webbrowser, json, difflib, contextlib
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from tinygrad.helpers import getenv
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from tinygrad.ops import TrackedRewriteContext, UOp, UOps
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from tinygrad.engine.graph import uops_colors, word_wrap
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from http.server import HTTPServer, BaseHTTPRequestHandler
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stop_reloader = threading.Event()
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def reloader():
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mtime = os.stat(__file__).st_mtime
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while not stop_reloader.is_set():
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if mtime != os.stat(__file__).st_mtime:
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print("reloading server...")
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os.execv(sys.executable, [sys.executable] + sys.argv)
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time.sleep(0.1)
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def uop_to_json(x:UOp) -> Dict[int, Tuple[str, str, List[int], str, str]]:
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assert isinstance(x, UOp)
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graph: Dict[int, Tuple[str, str, List[int], str, str]] = {}
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for u in x.sparents:
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label = f"{str(u.op)[5:]}{(' '+word_wrap(str(u.arg).replace(':', ''))) if u.arg is not None else ''}\n{str(u.dtype)}"
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if getenv("WITH_SHAPE"):
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with contextlib.suppress(Exception): # if the UOp is indexed already it's fine
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if u.st is not None: label += f"\n{u.st.shape}"
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graph[id(u)] = (label, str(u.dtype), [id(x) for x in u.src], str(u.arg), uops_colors.get(u.op, "#ffffff"))
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return graph
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@dataclass(frozen=True)
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class UOpRet:
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loc: str # location that called graph_rewrite
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graphs: List[Dict[int, Tuple[str, str, List[int], str, str]]] # a seralized version of UOp graphs
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diffs: List[Tuple[str, List[str]]] # the diffs for each rewrite
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extra: List[List[str]] # these become code blocks in the UI
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def replace_uop(base:UOp, prev:UOp, new:UOp, cache:Dict[UOp, UOp]) -> UOp:
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if (u:=cache.get(base)): return u
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new_srcs = tuple(new if x.key == prev.key else replace_uop(x, prev, new, cache) for x in base.src)
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ret = cache[base] = base if new_srcs == base.src else UOp(base.op, base.dtype, new_srcs, base.arg)
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return ret
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def create_graph(ctx:TrackedRewriteContext) -> UOpRet:
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uops: List[UOp] = [ctx.sink]
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diffs: List[Tuple[str, List[str]]] = []
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extra: List[List[str]] = [[str(ctx.sink)]]
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for (first, rewritten, pattern) in ctx.rewrites:
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diffs.append((pattern, list(difflib.unified_diff(str(first).splitlines(), str(rewritten).splitlines()))))
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# if the sink was replaced, we have to replace the entire graph, otherwise just replace the parent
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new_sink = rewritten if first.op is UOps.SINK else replace_uop(uops[-1], first, rewritten, {})
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assert new_sink.op is UOps.SINK
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uops.append(new_sink)
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extra.append([str(new_sink)])
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return UOpRet(ctx.loc, list(map(uop_to_json, uops)), diffs, extra)
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class Handler(BaseHTTPRequestHandler):
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def do_GET(self):
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if self.path == "/favicon.svg":
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self.send_response(200)
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self.send_header("Content-type", "image/svg+xml")
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self.end_headers()
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with open(os.path.join(os.path.dirname(__file__), "favicon.svg"), "rb") as f:
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ret = f.read()
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if self.path == "/":
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self.send_response(200)
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self.send_header("Content-type", "text/html")
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self.end_headers()
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with open(os.path.join(os.path.dirname(__file__), "index.html"), "rb") as f:
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ret = f.read()
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elif re.search(r'/\d+', self.path):
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self.send_response(200)
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self.send_header("Content-type", "application/json")
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self.end_headers()
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with open("/tmp/rewrites.pkl", "rb") as f: contexts: List[TrackedRewriteContext] = pickle.load(f)
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rest = [x.loc for x in contexts]
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current_graph = create_graph(contexts[int(self.path.split("/")[-1])])
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ret = json.dumps((asdict(current_graph), rest)).encode()
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else:
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self.send_response(404)
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ret = b""
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return self.wfile.write(ret)
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BROWSER = getenv("BROWSER", 1)
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def main():
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try:
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st = time.perf_counter()
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reloader_thread = threading.Thread(target=reloader)
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reloader_thread.start()
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print("serving at port 8000")
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server_thread = threading.Thread(target=HTTPServer(('', 8000), Handler).serve_forever, daemon=True)
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server_thread.start()
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if BROWSER: webbrowser.open("http://localhost:8000")
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print(f"{(time.perf_counter()-st):.2f}s startup time")
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server_thread.join()
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reloader_thread.join()
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except KeyboardInterrupt:
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print("viz is shutting down...")
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stop_reloader.set()
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if __name__ == "__main__":
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main()
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