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aoshen02
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Jun 1, 2026
…emory (slime #1916, #1924, #1932) Co-merge of build-coupled upstream slime PRs: - THUDM/slime#1916 ([docker] update torch memory saver): bump the torch_memory_saver pin d64a639 -> a193d9dd1b877d33c64a41cfb3db9f867df2d926. - THUDM/slime#1924 (Reduce host memory with upgraded tms): add TMS_CUDA_MAJOR build plumbing + the disable_grad_buffers_cpu_backup host-memory feature. - THUDM/slime#1932 (save host memory): place the `offload_train -> disable_grad_buffers_cpu_backup` assignment AFTER the `use_critic -> offload_train=True` block, so critic runs (which enable offload_train) also get grad-buffer cpu-backup disabled. Folded into this batch because it directly fixes #1924's placement (cannot apply to main without #1924's line present). Why co-merged: the a193d9dd tms wheel's setup.py raises RuntimeError on CUDA builds unless TMS_CUDA_MAJOR is set (setup.py:117-124). The pin bump (#1916) therefore cannot build without #1924's plumbing. Changes: - docker/Dockerfile: ARG TMS_CUDA_MAJOR + tms pin a193d9dd, default CUDA major from torch. - docker/patch/latest/megatron.patch: +3 hunks (DDP _make_no_backup_context, param_and_grad_buffer no-backup region, training/training.py dp_extra_kwargs). - docker/version.txt: nightly-dev-20260519a. - vime/ray/actor_group.py: .so loader tries _cu12-suffixed name then unsuffixed. - vime/backends/megatron_utils/update_weight/common.py: get_cpu_backup(x, zero_copy=True). - vime/utils/arguments.py: --record-memory-history; offload_train implies disable_grad_buffers_cpu_backup (placed after use_critic per #1932). Refs: THUDM/slime#1916, THUDM/slime#1924, THUDM/slime#1932, #107 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
aoshen02
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Jun 1, 2026
…emory (slime #1916, #1924, #1932) Co-merge of build-coupled upstream slime PRs: - THUDM/slime#1916 ([docker] update torch memory saver): bump the torch_memory_saver pin d64a639 -> a193d9dd1b877d33c64a41cfb3db9f867df2d926. - THUDM/slime#1924 (Reduce host memory with upgraded tms): add TMS_CUDA_MAJOR build plumbing + the disable_grad_buffers_cpu_backup host-memory feature. - THUDM/slime#1932 (save host memory): place the `offload_train -> disable_grad_buffers_cpu_backup` assignment AFTER the `use_critic -> offload_train=True` block, so critic runs (which enable offload_train) also get grad-buffer cpu-backup disabled. Folded into this batch because it directly fixes #1924's placement (cannot apply to main without #1924's line present). Why co-merged: the a193d9dd tms wheel's setup.py raises RuntimeError on CUDA builds unless TMS_CUDA_MAJOR is set (setup.py:117-124). The pin bump (#1916) therefore cannot build without #1924's plumbing. Changes: - docker/Dockerfile: ARG TMS_CUDA_MAJOR + tms pin a193d9dd, default CUDA major from torch. - docker/patch/latest/megatron.patch: +3 hunks (DDP _make_no_backup_context, param_and_grad_buffer no-backup region, training/training.py dp_extra_kwargs). - docker/version.txt: nightly-dev-20260519a. - vime/ray/actor_group.py: .so loader tries _cu12-suffixed name then unsuffixed. - vime/backends/megatron_utils/update_weight/common.py: get_cpu_backup(x, zero_copy=True). - vime/utils/arguments.py: --record-memory-history; offload_train implies disable_grad_buffers_cpu_backup (placed after use_critic per #1932). Refs: THUDM/slime#1916, THUDM/slime#1924, THUDM/slime#1932, #107 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Signed-off-by: aoshen02 <aoshen@inferact.ai>
CalvinXKY
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Jun 2, 2026
…emory (slime #1916, #1924, #1932) (#114) Co-merge of build-coupled upstream slime PRs: - THUDM/slime#1916 ([docker] update torch memory saver): bump the torch_memory_saver pin d64a639 -> a193d9dd1b877d33c64a41cfb3db9f867df2d926. - THUDM/slime#1924 (Reduce host memory with upgraded tms): add TMS_CUDA_MAJOR build plumbing + the disable_grad_buffers_cpu_backup host-memory feature. - THUDM/slime#1932 (save host memory): place the `offload_train -> disable_grad_buffers_cpu_backup` assignment AFTER the `use_critic -> offload_train=True` block, so critic runs (which enable offload_train) also get grad-buffer cpu-backup disabled. Folded into this batch because it directly fixes #1924's placement (cannot apply to main without #1924's line present). Why co-merged: the a193d9dd tms wheel's setup.py raises RuntimeError on CUDA builds unless TMS_CUDA_MAJOR is set (setup.py:117-124). The pin bump (#1916) therefore cannot build without #1924's plumbing. Changes: - docker/Dockerfile: ARG TMS_CUDA_MAJOR + tms pin a193d9dd, default CUDA major from torch. - docker/patch/latest/megatron.patch: +3 hunks (DDP _make_no_backup_context, param_and_grad_buffer no-backup region, training/training.py dp_extra_kwargs). - docker/version.txt: nightly-dev-20260519a. - vime/ray/actor_group.py: .so loader tries _cu12-suffixed name then unsuffixed. - vime/backends/megatron_utils/update_weight/common.py: get_cpu_backup(x, zero_copy=True). - vime/utils/arguments.py: --record-memory-history; offload_train implies disable_grad_buffers_cpu_backup (placed after use_critic per #1932). Refs: THUDM/slime#1916, THUDM/slime#1924, THUDM/slime#1932, #107 Signed-off-by: aoshen02 <aoshen@inferact.ai> Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
momo609
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Jun 8, 2026
…emory (slime #1916, #1924, #1932) (#114) Co-merge of build-coupled upstream slime PRs: - THUDM/slime#1916 ([docker] update torch memory saver): bump the torch_memory_saver pin d64a639 -> a193d9dd1b877d33c64a41cfb3db9f867df2d926. - THUDM/slime#1924 (Reduce host memory with upgraded tms): add TMS_CUDA_MAJOR build plumbing + the disable_grad_buffers_cpu_backup host-memory feature. - THUDM/slime#1932 (save host memory): place the `offload_train -> disable_grad_buffers_cpu_backup` assignment AFTER the `use_critic -> offload_train=True` block, so critic runs (which enable offload_train) also get grad-buffer cpu-backup disabled. Folded into this batch because it directly fixes #1924's placement (cannot apply to main without #1924's line present). Why co-merged: the a193d9dd tms wheel's setup.py raises RuntimeError on CUDA builds unless TMS_CUDA_MAJOR is set (setup.py:117-124). The pin bump (#1916) therefore cannot build without #1924's plumbing. Changes: - docker/Dockerfile: ARG TMS_CUDA_MAJOR + tms pin a193d9dd, default CUDA major from torch. - docker/patch/latest/megatron.patch: +3 hunks (DDP _make_no_backup_context, param_and_grad_buffer no-backup region, training/training.py dp_extra_kwargs). - docker/version.txt: nightly-dev-20260519a. - vime/ray/actor_group.py: .so loader tries _cu12-suffixed name then unsuffixed. - vime/backends/megatron_utils/update_weight/common.py: get_cpu_backup(x, zero_copy=True). - vime/utils/arguments.py: --record-memory-history; offload_train implies disable_grad_buffers_cpu_backup (placed after use_critic per #1932). Refs: THUDM/slime#1916, THUDM/slime#1924, THUDM/slime#1932, #107 Signed-off-by: aoshen02 <aoshen@inferact.ai> Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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