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test1: does not need getDevice, cause setDevice() will set currentDev… #757

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test1: does not need getDevice, cause setDevice() will set currentDev… #757

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f4e4d4a
test1: does not need getDevice, cause setDevice() will set currentDev…
Mar 30, 2024
f510bd4
change current_device position
Mar 30, 2024
694c3ab
test
Mar 30, 2024
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8 changes: 5 additions & 3 deletions dipu/tests/python/individual_scripts/test_rt_ddp.py
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Original file line number Diff line number Diff line change
Expand Up @@ -65,8 +65,9 @@ def forward(self, x):
def demo_basic_ddp(rank, world_size, port):
import torch_dipu

print(f"Running basic DDP example on rank {rank} {torch.cuda.current_device()}")
# print(f"Running basic DDP example on rank {rank} {torch.cuda.current_device()}")
torch.cuda.set_device(rank)
print(f"Running basic DDP example on rank {rank} {torch.cuda.current_device()}")
backend = "nccl"
dev1 = rank

Expand Down Expand Up @@ -100,8 +101,9 @@ def demo_basic_ddp(rank, world_size, port):
def demo_allreduce(rank, world_size, port):
import torch_dipu

print(f"Running basic DDP example on rank {rank} {torch.cuda.current_device()}")
# print(f"Running basic DDP example on rank {rank} {torch.cuda.current_device()}")
torch.cuda.set_device(rank)
print(f"Running basic DDP example on rank {rank} {torch.cuda.current_device()}")
dev1 = rank

setup(rank, world_size, port)
Expand Down Expand Up @@ -151,7 +153,7 @@ def demo_allgather(rank, world_size, port):
import torch_dipu

setup(rank, world_size, port)

print(f"rank={rank}")
src1 = torch.ones((2, 4)).to(rank)
dests = torch.zeros((world_size * 2, 4)).to(rank)
dests = [
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2 changes: 1 addition & 1 deletion dipu/torch_dipu/csrc_dipu/vendor/ascend/deviceimpl.cpp
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Expand Up @@ -29,7 +29,7 @@ void finalizeVendor() { DIPU_CALLACLRT(aclFinalize()); }
deviceId_t current_device() {
if (currentDeviceIndex < 0) {
setDevice(-1);
DIPU_CALLACLRT(::aclrtGetDevice(&currentDeviceIndex))
// DIPU_CALLACLRT(::aclrtGetDevice(&currentDeviceIndex))
}
return static_cast<deviceId_t>(currentDeviceIndex);
}
Expand Down