Uploaded sanitized BC250/ROCm Repository.

2026-08-20 00:45:43 +02:00
parent 7d2184f1e8
commit d7d22e93b3
678 changed files with 65963 additions and 1 deletions
@@ -0,0 +1,132 @@
+#!/usr/bin/env python3
+"""Fix: maximize threading to 12 cores, add --lowvram for 7.6GB VRAM, restart ComfyUI."""
+import paramiko
+import time
+
+ssh = paramiko.SSHClient()
+ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+ssh.connect('192.168.178.150', username='fabian', key_filename=r'C:\Users\fabia\.ssh\id_ed25519')
+
+def run(cmd, timeout=300, desc=""):
+    if desc:
+        print(f"\n{'='*60}")
+        print(f"  {desc}")
+        print(f"{'='*60}")
+    print(f"$ {cmd[:300]}")
+    _, stdout, stderr = ssh.exec_command(cmd, timeout=timeout)
+    out = stdout.read().decode()
+    err = stderr.read().decode()
+    rc = stdout.channel.recv_exit_status()
+    if out.strip():
+        lines = out.strip().split('\n')
+        if len(lines) > 40:
+            print(f"  ... ({len(lines)} lines, showing last 40)")
+            print('\n'.join(lines[-40:]))
+        else:
+            print(out.strip())
+    if err.strip():
+        lines = err.strip().split('\n')
+        show = lines[-15:] if len(lines) > 15 else lines
+        print(f"STDERR: {chr(10).join(show)}")
+    print(f"  Exit code: {rc}")
+    return rc, out, err
+
+# 1. Kill any existing ComfyUI
+run("bash -c 'pkill -9 -f \"python main.py\" 2>/dev/null; sleep 2; echo ok'",
+    desc="Kill existing ComfyUI")
+
+# 2. Write updated start_comfyui.sh with full threading + lowvram
+startup_script = r'''#!/bin/bash
+# ComfyUI Startup Script for AsRock BC-250 (AMD Cyan Skillfish / ROCm 7.2)
+# Optimized for all 12 CPU cores + 7.6GB shared VRAM
+set -euo pipefail
+
+# ═══════════════ BC-250 GPU Environment ═══════════════
+export HSA_OVERRIDE_GFX_VERSION=10.1.0
+export HIP_VISIBLE_DEVICES=0
+export HSA_ENABLE_SDMA=0
+export HSA_TOOLS_LIB=""
+export HSA_TOOLS_REPORT_LOAD_FAILURE=0
+
+# ═══════════════ THREADING — ALL 12 CORES ═══════════════
+export OMP_NUM_THREADS=12
+export MKL_NUM_THREADS=12
+export OPENBLAS_NUM_THREADS=12
+export VECLIB_MAXIMUM_THREADS=12
+export NUMEXPR_NUM_THREADS=12
+# PyTorch intra-op (tensor math) and inter-op (parallel node execution) threads
+export TORCH_NUM_THREADS=12
+
+# ═══════════════ Memory / ROCm tuning ═══════════════
+export PYTORCH_HIP_ALLOC_CONF="expandable_segments:False"
+export TORCH_ROCM_AOTRITON_ENABLE_EXPERIMENTAL=1
+# Disable HIP memory caching to avoid fragmentation on shared VRAM
+export PYTORCH_NO_HIP_MEMORY_CACHING=0
+
+# ═══════════════ Activate venv ═══════════════
+source "$HOME/comfyui-env/bin/activate"
+
+cd "$HOME/ComfyUI"
+
+# Force PyTorch to use all 12 cores
+python3 -c "import torch; torch.set_num_threads(12); torch.set_num_interop_threads(12); print(f'Threads: intra={torch.get_num_threads()} inter={torch.get_num_interop_threads()}')"
+
+echo "=========================================="
+echo " ComfyUI on BC-250 (ROCm 7.2)"
+echo " GPU:    AMD Cyan Skillfish (gfx1013→gfx1010)"
+echo " PyTorch: $(python3 -c 'import torch; print(torch.__version__)')"
+echo " HIP:    $(python3 -c 'import torch; print(torch.version.hip)')"
+echo " CUDA:   $(python3 -c 'import torch; print(torch.cuda.is_available())')"
+echo " CPU:    $(nproc) cores (all used)"
+echo " VRAM:   7.6GB shared — using --lowvram mode"
+echo "=========================================="
+
+# Default: listen on all interfaces, --lowvram for 7.6GB shared VRAM
+LISTEN_ARGS="--listen 0.0.0.0 --port 8188 --lowvram"
+
+if [ $# -gt 0 ]; then
+    LISTEN_ARGS="$@"
+fi
+
+echo "Starting: python main.py $LISTEN_ARGS"
+echo "Access at: http://192.168.178.150:8188"
+echo ""
+
+# Set threads inside the actual process too
+exec python3 -c "
+import torch, sys, os
+torch.set_num_threads(12)
+torch.set_num_interop_threads(12)
+# Now exec ComfyUI main
+sys.argv = ['main.py'] + '$LISTEN_ARGS'.split()
+exec(open('main.py').read())
+"
+'''
+
+sftp = ssh.open_sftp()
+with sftp.open('/home/fabian/start_comfyui.sh', 'w') as f:
+    f.write(startup_script)
+sftp.close()
+
+run("chmod +x /home/fabian/start_comfyui.sh", desc="Make script executable")
+
+# 3. Launch ComfyUI with new settings
+run("bash -c 'rm -f /home/fabian/comfyui.log'", desc="Clean old log")
+run("bash -c 'nohup bash /home/fabian/start_comfyui.sh > /home/fabian/comfyui.log 2>&1 & echo PID=$!'",
+    desc="Launch ComfyUI with 12-core threading + lowvram")
+
+# 4. Wait for startup
+time.sleep(15)
+run("bash -c 'tail -30 /home/fabian/comfyui.log 2>/dev/null'",
+    desc="Startup log")
+
+time.sleep(10)
+run("bash -c 'ss -tlnp | grep 8188 || echo PORT_NOT_LISTENING'",
+    desc="Check port 8188")
+
+# Verify threads are set
+run("bash -c 'tail -40 /home/fabian/comfyui.log 2>/dev/null'",
+    desc="Full startup log")
+
+ssh.close()
+print("\nDone.")