{"id":209288,"date":"2025-09-30T07:54:25","date_gmt":"2025-09-29T23:54:25","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209288\/"},"modified":"2025-09-30T07:54:26","modified_gmt":"2025-09-29T23:54:26","slug":"vps-openai-gym","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209288\/","title":{"rendered":"\u5728\u9999\u6e2fVPS\u4e0a\u6781\u901f\u90e8\u7f72OpenAI Gym\uff1a\u4f4e\u5ef6\u8fdf\u3001\u7a33\u5b9a\u7684\u5f3a\u5316\u5b66\u4e60\u9996\u9009"},"content":{"rendered":"<p>\u5f15\u8a00\uff1a\u5728\u5f3a\u5316\u5b66\u4e60\uff08Reinforcement Learning, RL\uff09\u7814\u7a76\u4e0e\u5de5\u7a0b\u5316\u8fc7\u7a0b\u4e2d\uff0cOpenAI Gym \u4f5c\u4e3a\u6807\u51c6\u5316\u7684\u73af\u5883\u63a5\u53e3\uff0c\u5e7f\u6cdb\u7528\u4e8e\u7b97\u6cd5\u9a8c\u8bc1\u4e0e\u57fa\u51c6\u6d4b\u8bd5\u3002\u5bf9\u4e8e\u9762\u5411\u4e9a\u6d32\u7528\u6237\u6216\u9700\u8981\u4f4e\u5ef6\u8fdf\u4ea4\u4e92\u5f0f\u8bad\u7ec3\u7684\u573a\u666f\uff0c\u9009\u62e9\u5408\u9002\u7684\u4e91\u4e3b\u673a\u90e8\u7f72\u5e73\u53f0\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u4ece\u539f\u7406\u5230\u5b9e\u64cd\u3001\u4ece\u6027\u80fd\u4f18\u5316\u5230\u9009\u8d2d\u5efa\u8bae\uff0c\u8be6\u5c3d\u4ecb\u7ecd\u5982\u4f55\u5728\u9999\u6e2fVPS\u4e0a<strong>\u6781\u901f\u90e8\u7f72 OpenAI Gym<\/strong>\uff0c\u5e76\u5728\u5fc5\u8981\u5904\u6bd4\u8f83\u7f8e\u56fdVPS\u3001\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u7684\u5dee\u5f02\uff0c\u5e2e\u52a9\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u548c\u5f00\u53d1\u8005\u505a\u51fa\u5408\u7406\u51b3\u7b56\u3002<\/p>\n<h2>OpenAI Gym \u5728\u8fdc\u7a0b\u4e3b\u673a\u90e8\u7f72\u7684\u5173\u952e\u539f\u7406<\/h2>\n<p>OpenAI Gym \u672c\u8eab\u662f\u4e00\u4e2a\u73af\u5883\u63a5\u53e3\u96c6\u5408\uff0c\u4f9d\u8d56\u4e8e Python \u8fd0\u884c\u65f6\u4e0e\u6570\u503c\u8ba1\u7b97\u5e93\uff08NumPy\u3001SciPy\uff09\uff0c\u5728\u89c6\u89c9\u6216\u7269\u7406\u4eff\u771f\u73af\u5883\u4e0b\u8fd8\u53ef\u80fd\u9700\u8981\u989d\u5916\u4f9d\u8d56\uff08\u5982 MuJoCo\u3001PyBullet\u3001Box2D\u3001Atari ROMs\uff09\u3002\u90e8\u7f72\u65f6\u4e3b\u8981\u6d89\u53ca\u51e0\u7c7b\u8d44\u6e90\u8981\u7d20\uff1a<\/p>\n<ul>\n<li>CPU \u6027\u80fd\u4e0e\u6838\u5fc3\u6570\uff1a\u5e76\u884c\u91c7\u6837\uff08vectorized envs\uff09\u4e0e\u591a\u73af\u5883\u8bad\u7ec3\u4f9d\u8d56\u9ad8\u5355\u6838\u6027\u80fd\u4e0e\u591a\u6838\u5e76\u53d1\u3002<\/li>\n<li>GPU\uff08\u53ef\u9009\uff09\uff1a\u6df1\u5ea6\u7b56\u7565\u7f51\u7edc\u8bad\u7ec3\u901a\u5e38\u4f7f\u7528 GPU\uff08CUDA\u3001cuDNN\uff09\uff0c\u63a8\u7406\u9636\u6bb5\u540c\u6837\u53d7\u76ca\u4e8e GPU \u52a0\u901f\u3002<\/li>\n<li>\u5185\u5b58\u4e0e I\/O\uff1a\u5927\u89c4\u6a21\u7ecf\u9a8c\u56de\u653e\uff08replay buffer\uff09\u4e0e\u4eff\u771f\u73af\u5883\u72b6\u6001\u5b58\u50a8\u5bf9\u5185\u5b58\u548c\u78c1\u76d8 I\/O \u6709\u8981\u6c42\uff0c\u4f7f\u7528 NVMe \u53ef\u663e\u8457\u964d\u4f4e\u5ef6\u8fdf\u3002<\/li>\n<li>\u7f51\u7edc\u5ef6\u8fdf\uff1a\u82e5\u8bad\u7ec3\u67b6\u6784\u4e3a\u5206\u5e03\u5f0f\uff08\u4f8b\u5982\u53c2\u6570\u670d\u52a1\u5668\u6216 Ray \u96c6\u7fa4\uff09\uff0c\u8282\u70b9\u95f4 RTT \u4f1a\u76f4\u63a5\u5f71\u54cd\u540c\u6b65\u8bad\u7ec3\u7684\u541e\u5410\u4e0e\u7a33\u5b9a\u6027\u3002<\/li>\n<\/ul>\n<h3>\u4e3a\u4ec0\u4e48\u9999\u6e2fVPS \u662f\u4f4e\u5ef6\u8fdf\u7684\u4f18\u9009<\/h3>\n<p>\u76f8\u8f83\u4e8e\u5730\u7406\u4e0a\u4f4d\u4e8e\u7f8e\u56fd\u7684\u8282\u70b9\uff0c\u4f4d\u4e8e\u9999\u6e2f\u7684\u6570\u636e\u4e2d\u5fc3\u80fd\u4e3a\u4e9a\u592a\u5730\u533a\u7684\u7ec8\u7aef\u548c\u5408\u4f5c\u8282\u70b9\u63d0\u4f9b\u66f4\u77ed\u7684 RTT\u3002\u5bf9\u4e8e\u9700\u8981\u4e0e\u771f\u5b9e\u8bbe\u5907\u6216\u524d\u7aef\u8fdb\u884c\u5b9e\u65f6\u4ea4\u4e92\u7684 RL \u5e94\u7528\uff08\u4f8b\u5982\u673a\u5668\u4eba\u4eff\u771f\u3001\u7ebf\u4e0a\u7b56\u7565\u6f14\u7ec3\uff09\uff0c\u4f4e\u7f51\u7edc\u5ef6\u8fdf\u53ef\u964d\u4f4e\u51b3\u7b56-\u53cd\u9988\u5468\u671f\uff0c\u63d0\u5347\u8bad\u7ec3\u7a33\u5b9a\u6027\u4e0e\u6536\u655b\u901f\u5ea6\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u9999\u6e2f\u4f5c\u4e3a\u4e9a\u592a\u7f51\u7edc\u67a2\u7ebd\uff0c\u4e0e\u4e2d\u56fd\u5927\u9646\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u4e1c\u5357\u4e9a\u7b49\u5730\u7684\u94fe\u8def\u4f18\u8d28\uff0c<strong>\u5728\u5b9e\u73b0\u4f4e\u5ef6\u8fdf\u5206\u5e03\u5f0f\u8bad\u7ec3\u4e0e\u591a\u673a\u534f\u540c\u65f6\u5177\u5907\u5929\u7136\u4f18\u52bf<\/strong>\u3002\u5f53\u7136\uff0c\u5bf9\u4e8e\u9762\u5411\u5317\u7f8e\u7528\u6237\u6216\u9700\u8981\u8bbf\u95ee\u5927\u91cf\u7f8e\u56fd\u6570\u636e\u8d44\u6e90\u7684\u9879\u76ee\uff0c\u4f7f\u7528\u7f8e\u56fdVPS \u6216\u7f8e\u56fd\u670d\u52a1\u5668 \u53ef\u80fd\u66f4\u5408\u9002\u3002<\/p>\n<h2>\u5b9e\u6218\uff1a\u5728\u9999\u6e2fVPS \u4e0a\u6781\u901f\u90e8\u7f72 OpenAI Gym \u7684\u6b65\u9aa4<\/h2>\n<h3>1. \u9009\u62e9\u5408\u9002\u7684\u4e3b\u673a\u914d\u7f6e<\/h3>\n<ul>\n<li>CPU\uff1a\u9009\u62e9\u9ad8\u4e3b\u9891\u591a\u6838\uff08\u4f8b\u5982 Intel\/AMD \u7684\u6700\u65b0\u4e16\u4ee3\uff09\uff0c\u7528\u4e8e\u5e76\u884c\u73af\u5883\u91c7\u6837\u3002<\/li>\n<li>\u5185\u5b58\uff1a\u6839\u636e\u56de\u653e\u7f13\u51b2\u533a\u5927\u5c0f\u4e0e\u5e76\u53d1\u73af\u5883\u6570\u8c03\u6574\uff0c\u5efa\u8bae\u81f3\u5c11 8\u201316GB \u8d77\u6b65\uff0c\u590d\u6742\u4efb\u52a1 32GB+<\/li>\n<li>\u5b58\u50a8\uff1a\u4f18\u9009 NVMe \u6216 SSD\uff0c\u51cf\u5c11\u4eff\u771f\u52a0\u8f7d\u4e0e\u65e5\u5fd7 I\/O \u5ef6\u8fdf\u3002<\/li>\n<li>\u7f51\u7edc\uff1a\u516c\u7f51\u5e26\u5bbd\u4e0e\u7aef\u5230\u7aef\u5ef6\u8fdf\uff0c\u82e5\u505a\u5206\u5e03\u5f0f\u8bad\u7ec3\u4f18\u9009\u4f4e\u65f6\u5ef6\u79c1\u6709\u7f51\u7edc\u6216 VLAN\u3002<\/li>\n<li>GPU\uff08\u5982\u6709\uff09\uff1a\u9009\u62e9\u652f\u6301 CUDA \u4e0e\u6700\u65b0\u9a71\u52a8\u7684\u5b9e\u4f8b\uff0c\u786e\u8ba4\u865a\u62df\u5316\u7c7b\u578b\uff08\u76f4\u901a GPU \u6216\u5171\u4eab\uff09\u3002<\/li>\n<\/ul>\n<h3>2. \u57fa\u7840\u73af\u5883\u51c6\u5907\uff08\u64cd\u4f5c\u7cfb\u7edf\u4e0e\u7cfb\u7edf\u8c03\u6574\uff09<\/h3>\n<p>\u63a8\u8350\u4f7f\u7528 Ubuntu 20.04\/22.04 \u6216 CentOS 8\/Stream\u3002\u5173\u952e\u7cfb\u7edf\u7ea7\u4f18\u5316\uff1a<\/p>\n<ul>\n<li>\u5173\u95ed\u6216\u4f18\u5316\u4ea4\u6362\u5206\u533a\uff08swap\uff09\uff1a\u589e\u5f3a\u8bad\u7ec3\u7a33\u5b9a\u6027\uff0c\u6216\u4e3a\u5927\u5185\u5b58\u4efb\u52a1\u4fdd\u7559 swap\u3002<\/li>\n<li>\u8c03\u4f18\u7f51\u7edc\u6808\uff1a\u901a\u8fc7 sysctl \u8c03\u6574 tcp_tw_reuse\u3001tcp_fin_timeout\u3001net.core.somaxconn \u7b49\u53c2\u6570\uff0c\u964d\u4f4e\u77ed\u8fde\u63a5\u5ef6\u8fdf\u3002<\/li>\n<li>\u4e2d\u65ad\u4eb2\u548c\uff08IRQ affinity\uff09\uff1a\u5c06\u9ad8\u4f18\u5148\u7ea7\u7f51\u7edc\u4e2d\u65ad\u7ed1\u5b9a\u5230\u7279\u5b9a CPU\uff0c\u51cf\u5c11\u6296\u52a8\u3002<\/li>\n<li>\u542f\u7528 HugePages\uff08\u9488\u5bf9\u5927\u5185\u5b58\u548c\u9ad8\u6027\u80fd\u8ba1\u7b97\uff0c\u51cf\u5c11 TLB miss\uff09\u3002<\/li>\n<\/ul>\n<h3>3. \u8f6f\u4ef6\u6808\u5b89\u88c5\uff08Python \u73af\u5883\u3001\u4f9d\u8d56\u3001GPU \u9a71\u52a8\uff09<\/h3>\n<ul>\n<li>\u5b89\u88c5 Python 3.8+\uff0c\u5efa\u8bae\u4f7f\u7528 pyenv \u6216\u7cfb\u7edf\u865a\u62df\u73af\u5883\uff08venv\u3001virtualenv\uff09\u9694\u79bb\u4f9d\u8d56\u3002<\/li>\n<li>\u5b89\u88c5\u5e38\u7528\u6570\u636e\u5305\uff1apip install numpy scipy matplotlib gym[all]\uff08\u53ef\u6309\u9700\u5b9a\u5236\u5982 box2d\u3001atari\uff09\u3002<\/li>\n<li>\u82e5\u4f7f\u7528\u6df1\u5ea6\u5b66\u4e60\u6846\u67b6\uff1a\u5b89\u88c5\u76f8\u5e94\u7248\u672c\u7684 PyTorch \u6216 TensorFlow\uff0c\u5e76\u786e\u4fdd CUDA \u4e0e cuDNN \u5339\u914d\u3002<\/li>\n<li>\u5efa\u8bae\u4f7f\u7528 Docker \u5bb9\u5668\u5316\u90e8\u7f72\uff0c\u628a\u73af\u5883\u3001\u9a71\u52a8\u548c\u4f9d\u8d56\u5305\u88c5\u6210\u955c\u50cf\uff0c\u4fbf\u4e8e\u590d\u73b0\u4e0e\u6269\u5c55\u3002<\/li>\n<\/ul>\n<h3>4. \u5bb9\u5668\u5316\u4e0e\u7f16\u6392\uff08Docker + Docker Compose \/ Kubernetes\uff09<\/h3>\n<p>\u901a\u8fc7 Docker \u53ef\u4ee5\u5feb\u901f\u590d\u5236\u73af\u5883\u3001\u4fdd\u969c\u4f9d\u8d56\u4e00\u81f4\u6027\u3002\u5178\u578b\u6d41\u7a0b\uff1a<\/p>\n<ul>\n<li>\u57fa\u4e8e\u5b98\u65b9 Python + CUDA \u955c\u50cf\u6784\u5efa Dockerfile\uff0c\u5b89\u88c5 Gym \u4e0e RL \u6846\u67b6\u3002<\/li>\n<li>\u7528 nvidia-docker2 \u6216 NVIDIA Container Toolkit \u63d0\u4f9b GPU \u652f\u6301\u3002<\/li>\n<li>\u4f7f\u7528 docker-compose \u7f16\u6392\u672c\u5730\u591a\u5bb9\u5668\u5b9e\u9a8c\uff1b\u82e5\u505a\u5927\u89c4\u6a21\u5206\u5e03\u5f0f\u8bad\u7ec3\uff0c\u4f7f\u7528 Kubernetes \u6216 Ray \u96c6\u7fa4\u8c03\u5ea6\u3002<\/li>\n<\/ul>\n<h3>5. \u6027\u80fd\u8c03\u4f18\u4e0e\u5e76\u884c\u8bad\u7ec3\u5b9e\u8df5<\/h3>\n<ul>\n<li>\u5e76\u884c\u73af\u5883\uff1a\u4f7f\u7528 SubprocVecEnv \u6216 AsyncVectorEnv \u63d0\u9ad8\u91c7\u6837\u541e\u5410\u3002<\/li>\n<li>\u6279\u91cf\u64cd\u4f5c\u4e0e\u77e2\u91cf\u5316\uff1a\u5c3d\u91cf\u5728\u73af\u5883\u5c42\u9762\u505a\u5411\u91cf\u5316\uff0c\u51cf\u5c11 Python \u8c03\u7528\u5f00\u9500\u3002<\/li>\n<li>CPU \u4e0e GPU \u534f\u540c\uff1a\u6837\u672c\u91c7\u96c6\u653e\u5728 CPU \u591a\u7ebf\u7a0b\/\u591a\u8fdb\u7a0b\uff0c\u6a21\u578b\u8bad\u7ec3\u653e\u5728 GPU\uff0c\u4f7f\u7528\u961f\u5217\u6216\u5185\u5b58\u6c60\u4f5c\u4e3a\u7f13\u51b2\u3002<\/li>\n<li>\u53c2\u6570\u670d\u52a1\u5668\u6216\u5206\u5e03\u5f0f\u8bad\u7ec3\uff1a\u4f7f\u7528 RPC\u3001gRPC \u6216 Ray\uff1b\u6ce8\u610f\u5e26\u5bbd\u4e0e RTT \u5bf9\u540c\u6b65\u9891\u7387\u7684\u5f71\u54cd\u3002<\/li>\n<\/ul>\n<h2>\u5e94\u7528\u573a\u666f\u4e0e\u7f51\u7edc\u5730\u7406\u9009\u62e9\u5bf9\u6bd4<\/h2>\n<h3>\u9002\u5408\u5728\u9999\u6e2fVPS \u90e8\u7f72\u7684\u5178\u578b\u573a\u666f<\/h3>\n<ul>\n<li>\u9762\u5411\u4e9a\u6d32\u7528\u6237\u7684\u5b9e\u65f6\u6216\u8fd1\u5b9e\u65f6\u8bad\u7ec3\u4e0e\u5728\u7ebf\u7b56\u7565\u66f4\u65b0\uff08\u4f8b\u5982\u5728\u7ebf\u63a8\u8350\u3001\u6e38\u620f AI\u3001\u673a\u5668\u4eba\u4eff\u771f\uff09\u3002<\/li>\n<li>\u9700\u8981\u4e0e\u4e2d\u56fd\u5927\u9646\u6216\u4e1c\u5357\u4e9a\u8bbe\u5907\u8fdb\u884c\u4f4e\u5ef6\u8fdf\u901a\u4fe1\u7684\u5206\u5e03\u5f0f\u5b66\u4e60\u96c6\u7fa4\u3002<\/li>\n<li>\u8bd5\u9a8c\u6027\u6216\u5c0f\u89c4\u6a21\u6a21\u578b\u9a8c\u8bc1\uff0c\u5feb\u901f\u8fed\u4ee3\u8c03\u53c2\u3002<\/li>\n<\/ul>\n<h3>\u4e0e\u7f8e\u56fdVPS \/ \u7f8e\u56fd\u670d\u52a1\u5668 \u7684\u5bf9\u6bd4\u8bf4\u660e<\/h3>\n<ul>\n<li>\u5ef6\u8fdf\uff1a\u9999\u6e2f\u670d\u52a1\u5668 \u5bf9\u4e9a\u592a\u7528\u6237\u66f4\u4f4e\uff1b\u7f8e\u56fd\u670d\u52a1\u5668 \u5bf9\u5317\u7f8e\u7528\u6237\u66f4\u4f4e\u3002<\/li>\n<li>\u5e26\u5bbd\u4e0e\u51fa\u53e3\uff1a\u7f8e\u56fd\u8282\u70b9\u5728\u8bbf\u95ee\u5317\u7f8e\u6570\u636e\u6e90\u6216\u4e91\u670d\u52a1\uff08\u5982\u67d0\u4e9b API\uff09\u65f6\u53ef\u80fd\u66f4\u4f18\u3002<\/li>\n<li>\u6210\u672c\u4e0e\u5408\u89c4\uff1a\u89c6\u4f9b\u5e94\u5546\u4e0d\u540c\u800c\u5f02\uff0c\u67d0\u4e9b\u5408\u89c4\u9700\u6c42\u4e5f\u53ef\u80fd\u5f71\u54cd\u5730\u57df\u9009\u62e9\u3002<\/li>\n<\/ul>\n<p>\u56e0\u6b64\uff0c\u82e5\u4e3b\u8981\u7528\u6237\u7fa4\u4f53\u6216\u786c\u4ef6\u8d44\u6e90\uff08\u4f8b\u5982\u8fb9\u7f18\u8bbe\u5907\uff09\u4f4d\u4e8e\u4e9a\u592a\uff0c\u4f18\u5148\u8003\u8651\u9999\u6e2fVPS\uff1b\u82e5\u4f9d\u8d56\u5317\u7f8e\u6570\u636e\u96c6\u6216\u7b2c\u4e09\u65b9\u670d\u52a1\uff0c\u5219\u8bc4\u4f30\u4f7f\u7528\u7f8e\u56fdVPS \u6216\u7f8e\u56fd\u670d\u52a1\u5668\u3002<\/p>\n<h2>\u9009\u8d2d\u5efa\u8bae\uff1a\u5982\u4f55\u6311\u9009\u9999\u6e2fVPS \u63d0\u4f9b\u5546<\/h2>\n<p>\u4e3a\u4fdd\u969c OpenAI Gym 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