Skip to content

examples CI: shrink CPU DDP arm batch to fix gloo timeout #269

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
wz337 wants to merge 1 commit into from
Closed

examples CI: shrink CPU DDP arm batch to fix gloo timeout #269

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 5 additions & 1 deletion .github/workflows/examples.yaml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,11 @@ jobs:
- name: Run DDP example on CPU.
run: |
source .venv/bin/activate
CUDA_VISIBLE_DEVICES="" torchrun --standalone --nnodes=1 --nproc_per_node=2 -m distributed_shampoo.examples.cifar10_example parallelism=ddp optimizer=shampoo optimizer.precondition_frequency=15 '~optimizer.grafting_config' '+optimizer.grafting_config={_target_:distributed_shampoo.AdamPreconditionerConfig,beta2:0.999,epsilon:1e-8}' epochs=1 local_batch_size=1024 backend=gloo
# Keep the per-rank batch small here: two gloo ranks each at
# local_batch_size=1024 exhaust memory on the 4-core CPU runner, so one
# rank stalls/OOMs and the peer hangs until the 30-min gloo recv timeout
# in backward. 128 exercises the same DDP + Shampoo path within budget.
CUDA_VISIBLE_DEVICES="" torchrun --standalone --nnodes=1 --nproc_per_node=2 -m distributed_shampoo.examples.cifar10_example parallelism=ddp optimizer=shampoo optimizer.precondition_frequency=15 '~optimizer.grafting_config' '+optimizer.grafting_config={_target_:distributed_shampoo.AdamPreconditionerConfig,beta2:0.999,epsilon:1e-8}' epochs=1 local_batch_size=128 backend=gloo
- name: Run DDP example on GPU.
if: steps.gpu_check.outputs.has_gpu == 'true'
run: |
Expand Down
Loading