mirror of https://github.com/Jittor/Jittor
77 lines
2.9 KiB
Python
77 lines
2.9 KiB
Python
# ***************************************************************
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# Copyright (c) 2020 Jittor. Authors:
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# Guowei Yang <471184555@qq.com>
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# Dun Liang <randonlang@gmail.com>.
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# All Rights Reserved.
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# This file is subject to the terms and conditions defined in
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# file 'LICENSE.txt', which is part of this source code package.
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# ***************************************************************
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import unittest
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import os, sys
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import jittor as jt
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import numpy as np
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mpi = jt.compile_extern.mpi
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@unittest.skipIf(mpi is None, "no inside mpirun")
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class TestMpi(unittest.TestCase):
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def test_mpi_test_op(self):
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assert jt.compile_extern.mpi_ops.mpi_test("").data == 123
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@unittest.skipIf(jt.compile_extern.nccl_ops is None, "no nccl")
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@jt.flag_scope(use_cuda=1)
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def test_nccl_with_mpi(self):
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assert jt.compile_extern.nccl_ops.nccl_test("test_with_mpi").data == 123
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def test_mpi_broadcast(self):
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for i in range(mpi.world_size()):
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a = np.zeros(100) + mpi.world_rank()
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mpi.broadcast(a, i)
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assert (a == i).all()
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def test_mpi_dataset(self):
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from jittor.dataset.dataset import Dataset
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class ToyDataset(Dataset):
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def __init__(self):
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super().__init__()
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self.set_attrs(batch_size=21, total_len=211)
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def __getitem__(self, index):
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return index, index*index
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toy = ToyDataset()
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offset = ((toy.batch_size-1) // mpi.world_size() + 1) * mpi.world_rank()
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for _ in range(2):
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for i,(a,b) in enumerate(toy):
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assert (a.data*a.data == b.data).all()
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if mpi.world_rank() == 0:
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if i == len(toy)-1:
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assert a.shape[0] == 1
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c = np.array([210])
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else:
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assert toy.real_batch_size == 11
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c = np.array(range(offset+i*toy.batch_size, offset+i*toy.batch_size + toy.real_batch_size))
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else:
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if i == len(toy)-1:
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assert a.shape[0] == 1
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c = np.array([210])
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else:
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assert toy.real_batch_size == 10
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c = np.array(range(offset+i*toy.batch_size, offset+i*toy.batch_size + toy.real_batch_size))
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assert (c==a.data).all(), (c, a.data)
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def run_mpi_test(num_procs, name):
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if not jt.compile_extern.inside_mpi():
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mpirun_path = jt.compile_extern.mpicc_path.replace("mpicc", "mpirun")
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cmd = f"{mpirun_path} -np {num_procs} {sys.executable} -m jittor.test.{name} -v"
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print("run cmd:", cmd)
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assert os.system(cmd)==0, "run cmd failed: "+cmd
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@unittest.skipIf(not jt.compile_extern.has_mpi, "no mpi found")
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class TestMpiEntry(unittest.TestCase):
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def test_entry(self):
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run_mpi_test(2, "test_mpi")
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if __name__ == "__main__":
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unittest.main() |