Fix PYTHONBUFFERED typo to PYTHONUNBUFFERED=1

docker/npu_patch/slime.patch

@@ -692,7 +692,7 @@ index 9f51ecdf..d4b47eca 100644
 +    if not external_ray:
 +        exec_command(
 +            # will prevent ray from buffering stdout/stderr
-+            f"export PYTHONBUFFERED=16 && "
++            f"export PYTHONUNBUFFERED=1 && "
 +            f"ray start --head --node-ip-address {master_addr} --disable-usage-stats"
 +        )
 +
@@ -748,7 +748,7 @@ index 9f51ecdf..d4b47eca 100644
 +            else ""
 +        )
 +        exec_command(
-+            f"export no_proxy=127.0.0.1 && export PYTHONBUFFERED=16 && "
++            f"export no_proxy=127.0.0.1 && export PYTHONUNBUFFERED=1 && "
 +            f"{cmd_megatron_model_source}"
 +            f'ray job submit --address="http://127.0.0.1:8265" '
 +            f"--runtime-env-json='{runtime_env_json}' "

docs/en/platform_support/amd_tutorial.md

@@ -148,7 +148,7 @@ export HIP_VISIBLE_DEVICES=${HIP_VISIBLE_DEVICES:-"0,1,2,3,4,5,6,7"} #You can ch
 
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)"
 source "${SCRIPT_DIR}/models/qwen3-4B.sh"

examples/delta_weight_sync/run-glm4.7-355B-A32B-delta.sh

@@ -15,7 +15,7 @@ pkill -9 python
 
 set -ex
 
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 unset http_proxy https_proxy HTTP_PROXY HTTPS_PROXY
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)

examples/eval_multi_task/multi_task.sh

@@ -13,7 +13,7 @@ pkill -9 python
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

examples/fully_async/run-qwen2.5-0.5B-fully_async.sh

@@ -17,7 +17,7 @@ sleep 3
 
 set -ex
 
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 HAS_NVLINK=$([ "$NVLINK_COUNT" -gt 0 ] && echo 1 || echo 0)

examples/geo3k_vlm/run_geo3k_qwen35.sh

@@ -44,7 +44,7 @@ pkill -9 redis
 
 set -ex
 
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 # Detect NVLink
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)

examples/geo3k_vlm/run_geo3k_vlm.sh

@@ -59,7 +59,7 @@ pkill -9 redis
 
 set -ex
 
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 # Detect NVLink
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)

examples/geo3k_vlm/run_geo3k_vlm_sft.sh

@@ -52,7 +52,7 @@ pkill -9 redis
 
 set -ex
 
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 # Detect NVLink
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)

examples/multi_agent/run-qwen3-30B-A3B-multi-agent.sh

@@ -13,7 +13,7 @@ pkill -9 python
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

examples/on_policy_distillation/run-qwen3-8B-opd-megatron.sh

@@ -11,7 +11,7 @@
 
 set -ex
 
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

examples/on_policy_distillation/run-qwen3-8B-opd.sh

@@ -34,7 +34,7 @@ echo "Teacher model server is up and running at $TEACHER_IP:$TEACHER_PORT."
 sleep 10
 
 
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

examples/retool/retool_qwen3_4b_rl.sh

@@ -13,7 +13,7 @@ pkill -9 python
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

examples/retool/retool_qwen3_4b_sft.sh

@@ -13,7 +13,7 @@ pkill -9 python
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

examples/search-r1/run_qwen2.5_3B.sh

@@ -13,7 +13,7 @@ pkill -9 python
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)"
 source "${SCRIPT_DIR}/../../scripts/models/qwen2.5-3B.sh"

examples/strands_sglang/strands_qwen3_8b.sh

@@ -16,7 +16,7 @@ pkill -9 python
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

examples/tau-bench/run_qwen3_4B.sh

@@ -13,7 +13,7 @@ pkill -9 python
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

examples/train_infer_mismatch_helper/run-qwen3-4b-mis.sh

@@ -13,7 +13,7 @@ pkill -9 python
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

scripts/low_precision/run-kimi-k2-Thinking-int4.sh

@@ -13,7 +13,7 @@ pkill -9 python
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi | grep -o "NVLink" | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

scripts/low_precision/run-moonlight-16B-A3B-int4.sh

@@ -14,7 +14,7 @@ pkill -9 redis
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

scripts/low_precision/run-qwen3-235B-A22B-int4.sh

@@ -13,7 +13,7 @@ pkill -9 python
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi | grep -o "NVLink" | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

scripts/low_precision/run-qwen3-30B-A3B-int4.sh

@@ -12,8 +12,8 @@ pkill -9 python
 
 set -ex
 
-# will prevent ray from buffering stdout/stderrs
-export PYTHONBUFFERED=16
+# will prevent ray from buffering stdout/stderr
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

scripts/low_precision/run-qwen3-30b-a3b-fp8.sh

@@ -14,7 +14,7 @@
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

scripts/low_precision/run-qwen3-4b-fp8.sh

@@ -13,7 +13,7 @@ pkill -9 python
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

scripts/run-deepseek-r1.sh

@@ -13,7 +13,7 @@ pkill -9 python
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

scripts/run-glm4-9B.sh

@@ -13,7 +13,7 @@ pkill -9 python
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

scripts/run-glm4.7-30B-A3B.sh

@@ -13,7 +13,7 @@ pkill -9 python
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 unset http_proxy https_proxy HTTP_PROXY HTTPS_PROXY
 

scripts/run-glm4.7-355B-A32B.sh

@@ -13,7 +13,7 @@ pkill -9 python
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 unset http_proxy https_proxy HTTP_PROXY HTTPS_PROXY
 

scripts/run-glm5-744B-A40B.sh

@@ -13,7 +13,7 @@ pkill -9 python
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

scripts/run-gpt-oss-20B.sh

@@ -23,7 +23,7 @@ pkill -9 python
 
 set -ex
 
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

scripts/run-kimi-k2-Instruct.sh

@@ -13,7 +13,7 @@ pkill -9 python
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

scripts/run-kimi-k2-Thinking.sh

@@ -13,7 +13,7 @@ pkill -9 python
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

scripts/run-mimo-7B-rl-eagle.sh

@@ -14,7 +14,7 @@ pkill -9 python
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

scripts/run-moonlight-16B-A3B.sh

@@ -14,7 +14,7 @@ pkill -9 redis
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

scripts/run-qwen2.5-0.5B-gb10-smoke.sh

@@ -17,7 +17,7 @@ ray stop --force 2>/dev/null || true
 pkill -9 ray python 2>/dev/null || true
 sleep 2
 
-export PYTHONBUFFERED=1
+export PYTHONUNBUFFERED=1
 
 SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)"
 source "${SCRIPT_DIR}/models/qwen2.5-0.5B.sh"

scripts/run-qwen2.5-0.5B-reproducibility.sh

@@ -13,7 +13,7 @@ pkill -9 python
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)"
 source "${SCRIPT_DIR}/scripts/models/qwen2.5-0.5B.sh"

scripts/run-qwen3-235B-A22B-sft.sh

@@ -24,7 +24,7 @@ if [ -z "${MASTER_ADDR}" ]; then
 fi
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

scripts/run-qwen3-235B-A22B.sh

@@ -24,7 +24,7 @@ if [ -z "${MASTER_ADDR}" ]; then
 fi
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

scripts/run-qwen3-30B-A3B.sh

@@ -14,7 +14,7 @@ pkill -9 redis
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

scripts/run-qwen3-32B.sh

@@ -13,7 +13,7 @@ pkill -9 python
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

scripts/run-qwen3-4B-amd.sh

@@ -31,7 +31,7 @@ export HIP_VISIBLE_DEVICES=${HIP_VISIBLE_DEVICES:-"0,1,2,3,4,5,6,7"} #You can ch
 
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)"
 source "${SCRIPT_DIR}/models/qwen3-4B.sh"

scripts/run-qwen3-4B-base-sft.sh

@@ -13,7 +13,7 @@ pkill -9 python
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

scripts/run-qwen3-4B.sh

@@ -13,7 +13,7 @@ pkill -9 python
 set -ex
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 NVLINK_COUNT=$(nvidia-smi topo -m 2>/dev/null | grep -o 'NV[0-9][0-9]*' | wc -l)
 if [ "$NVLINK_COUNT" -gt 0 ]; then

scripts/run-qwen3-next-80B-A3B.sh

@@ -24,7 +24,7 @@ if [ -z "${MASTER_ADDR}" ]; then
 fi
 
 # will prevent ray from buffering stdout/stderr
-export PYTHONBUFFERED=16
+export PYTHONUNBUFFERED=1
 
 # unset proxy to avoid distributed startup issues
 unset http_proxy https_proxy HTTP_PROXY HTTPS_PROXY