{ "cells": [ { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [] }, { "cell_type": "code", "execution_count": 1, "metadata": {}, "outputs": [ { "ename": "TypeError", "evalue": "No registered converter was able to produce a C++ rvalue of type unsigned int from this Python object of type numpy.int64", "output_type": "error", "traceback": [ "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m", "\u001b[0;31mTypeError\u001b[0m Traceback (most recent call last)", "Cell \u001b[0;32mIn[1], line 25\u001b[0m\n\u001b[1;32m 22\u001b[0m drv\u001b[38;5;241m.\u001b[39mmemcpy_htod(y_gpu, y)\n\u001b[1;32m 24\u001b[0m \u001b[38;5;66;03m# 调用函数\u001b[39;00m\n\u001b[0;32m---> 25\u001b[0m \u001b[43madd_func\u001b[49m\u001b[43m(\u001b[49m\u001b[43mn\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mx_gpu\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43my_gpu\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mblock\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43m(\u001b[49m\u001b[38;5;241;43m256\u001b[39;49m\u001b[43m,\u001b[49m\u001b[38;5;241;43m1\u001b[39;49m\u001b[43m,\u001b[49m\u001b[38;5;241;43m1\u001b[39;49m\u001b[43m)\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mgrid\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43m(\u001b[49m\u001b[43mn\u001b[49m\u001b[38;5;241;43m/\u001b[39;49m\u001b[38;5;241;43m/\u001b[39;49m\u001b[38;5;241;43m256\u001b[39;49m\u001b[43m,\u001b[49m\u001b[38;5;241;43m1\u001b[39;49m\u001b[43m)\u001b[49m\u001b[43m)\u001b[49m\n\u001b[1;32m 27\u001b[0m \u001b[38;5;66;03m# 将结果复制回CPU\u001b[39;00m\n\u001b[1;32m 28\u001b[0m drv\u001b[38;5;241m.\u001b[39mmemcpy_dtoh(y, y_gpu)\n", "File \u001b[0;32m~/anaconda3/envs/pycuda_3_10/lib/python3.10/site-packages/pycuda/driver.py:502\u001b[0m, in \u001b[0;36m_add_functionality..function_call\u001b[0;34m(func, *args, **kwargs)\u001b[0m\n\u001b[1;32m 498\u001b[0m \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01mtime\u001b[39;00m \u001b[38;5;28;01mimport\u001b[39;00m time\n\u001b[1;32m 500\u001b[0m start_time \u001b[38;5;241m=\u001b[39m time()\n\u001b[0;32m--> 502\u001b[0m \u001b[43mfunc\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43m_launch_kernel\u001b[49m\u001b[43m(\u001b[49m\u001b[43mgrid\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mblock\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43marg_buf\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mshared\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;28;43;01mNone\u001b[39;49;00m\u001b[43m)\u001b[49m\n\u001b[1;32m 504\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m post_handlers \u001b[38;5;129;01mor\u001b[39;00m time_kernel:\n\u001b[1;32m 505\u001b[0m Context\u001b[38;5;241m.\u001b[39msynchronize()\n", "\u001b[0;31mTypeError\u001b[0m: No registered converter was able to produce a C++ rvalue of type unsigned int from this Python object of type numpy.int64" ] } ], "source": [ "import pycuda.autoinit\n", "import pycuda.driver as drv\n", "import numpy as np\n", "\n", "# 加载PTX文件\n", "mod = drv.module_from_file(\"test.ptx\")\n", "\n", "# 获取函数\n", "add_func = mod.get_function(\"add\")\n", "\n", "# 创建数据\n", "n = np.uint32(100) # Convert to unsigned int\n", "x = np.random.rand(n).astype(np.float32)\n", "y = np.random.rand(n).astype(np.float32)\n", "\n", "# 分配内存\n", "x_gpu = drv.mem_alloc(x.nbytes)\n", "y_gpu = drv.mem_alloc(y.nbytes)\n", "\n", "# 将数据复制到GPU\n", "drv.memcpy_htod(x_gpu, x)\n", "drv.memcpy_htod(y_gpu, y)\n", "\n", "# 调用函数\n", "add_func(x_gpu, y_gpu, block=(256,1,1), grid=(n//256,1))\n", "\n", "# 将结果复制回CPU\n", "drv.memcpy_dtoh(y, y_gpu)\n", "\n", "# 检查结果\n", "print(y)" ] } ], "metadata": { "kernelspec": { "display_name": "pycuda_3_10", "language": "python", "name": "python3" }, "language_info": { "codemirror_mode": { "name": "ipython", "version": 3 }, "file_extension": ".py", "mimetype": "text/x-python", "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", "version": "3.10.13" } }, "nbformat": 4, "nbformat_minor": 2 }