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https://github.com/firestar5683/StarPilot.git
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firestar5683
22a8575199
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.
46 lines
1.7 KiB
Python
46 lines
1.7 KiB
Python
#!/usr/bin/env python3
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import os, sys, time
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from tinygrad.runtime.support.system import RemotePCIDevice, RemoteCmd
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LAT_N_RUNS = 500
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THROUGHPUT_N_RUNS = 8
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SIZES = [4, 1 << 10, 8 << 20]
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if __name__ == "__main__":
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os.environ["REMOTE"] = sys.argv[1] if len(sys.argv) > 1 else os.environ.get("REMOTE", "127.0.0.1:6667")
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# choose any amd/nv gpu.
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devs = RemotePCIDevice.remote_list(0x1002, ((0, (0,)),), 0) or RemotePCIDevice.remote_list(0x10de, ((0, (0,)),), 0x03)
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if not devs: raise RuntimeError("no GPU found on remote")
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sock, name = devs[0]
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pci = RemotePCIDevice("BN", name, sock=sock)
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print(f"connected to {os.environ['REMOTE']}, device: {name}\n")
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# ping (minimal server round-trip, no device I/O)
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for _ in range(10): pci.rpc(RemoteCmd.PING)
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st = time.perf_counter()
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for _ in range(LAT_N_RUNS): pci.rpc(RemoteCmd.PING)
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ping_lat = (time.perf_counter() - st) / LAT_N_RUNS
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print(f"PING latency: {ping_lat*1e6:.1f} us ({1/ping_lat:,.0f} ops/sec)\n")
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# throughput
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sysmem, _ = pci.alloc_sysmem(max(SIZES))
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print(f"{'size':>10s} {'write MB/s':>10s} {'read MB/s':>10s}")
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for sz in SIZES:
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data = b'\x01' * sz
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for _ in range(5): sysmem[0:sz] = data
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st = time.perf_counter()
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for _ in range(THROUGHPUT_N_RUNS): sysmem[0:sz] = data
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pci.rpc(RemoteCmd.PING) # flush, since writes are posted
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w = (time.perf_counter() - st) / THROUGHPUT_N_RUNS
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for _ in range(5): sysmem[0:sz]
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st = time.perf_counter()
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for _ in range(THROUGHPUT_N_RUNS): sysmem[0:sz]
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r = (time.perf_counter() - st) / THROUGHPUT_N_RUNS
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sfx, div = [('B',1),('K',1<<10),('M',1<<20)][[sz>=1<<10,sz>=1<<20,sz>=1<<30].count(True)]
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print(f"{sz/div:>9.4g}{sfx} {sz/w/1e6:>10.1f} {sz/r/1e6:>10.1f}")
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