Files
2026-07-13 13:18:33 +08:00

61 lines
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Python

# Copyright (c) Microsoft Corporation.
# SPDX-License-Identifier: Apache-2.0
# DeepSpeed Team
from deepspeed.checkpoint import model_3d_desc
def _do_reshape(src_3d, tgt_3d):
assert src_3d.can_reshape(tgt_3d)
new_3d_map = src_3d.reshape(tgt_3d)
assert len(new_3d_map) == tgt_3d.dp_degree
for new_2d_map in new_3d_map:
assert new_2d_map.pp_degree == tgt_3d.pp_degree
assert new_2d_map.tp_degree == tgt_3d.tp_degree
return new_3d_map
# Specify 3d shape as pp/tp/dp
def test_reshape_222_to_111():
src_3d = model_3d_desc(pp_degree=2, tp_degree=2, dp_degree=2)
tgt_3d = model_3d_desc(pp_degree=1, tp_degree=1, dp_degree=1)
new_3d_map = _do_reshape(src_3d, tgt_3d)
assert new_3d_map[0].get_data(pp_index=0, tp_index=0) == [0, 4, 1, 5, 2, 6, 3, 7]
def test_reshape_222_to_121():
src_3d = model_3d_desc(pp_degree=2, tp_degree=2, dp_degree=2)
tgt_3d = model_3d_desc(pp_degree=1, tp_degree=2, dp_degree=1)
new_3d_map = _do_reshape(src_3d, tgt_3d)
assert new_3d_map[0].get_data(pp_index=0, tp_index=0) == [0, 4, 2, 6]
assert new_3d_map[0].get_data(pp_index=0, tp_index=1) == [1, 5, 3, 7]
def test_reshape_222_to_122():
src_3d = model_3d_desc(pp_degree=2, tp_degree=2, dp_degree=2)
tgt_3d = model_3d_desc(pp_degree=1, tp_degree=2, dp_degree=2)
new_3d_map = _do_reshape(src_3d, tgt_3d)
assert new_3d_map[0].get_data(pp_index=0, tp_index=0) == [0, 4]
assert new_3d_map[0].get_data(pp_index=0, tp_index=1) == [1, 5]
assert new_3d_map[1].get_data(pp_index=0, tp_index=0) == [2, 6]
assert new_3d_map[1].get_data(pp_index=0, tp_index=1) == [3, 7]
def test_reshape_222_to_211():
src_3d = model_3d_desc(pp_degree=2, tp_degree=2, dp_degree=2)
tgt_3d = model_3d_desc(pp_degree=2, tp_degree=1, dp_degree=1)
new_3d_map = _do_reshape(src_3d, tgt_3d)
assert new_3d_map[0].get_data(pp_index=0, tp_index=0) == [0, 4, 1, 5]
assert new_3d_map[0].get_data(pp_index=1, tp_index=0) == [2, 6, 3, 7]