Cudamemcpy error invalid argument. I overlooked the parameter order by .

  • Cudamemcpy error invalid argument. Apr 8, 2021 · But when I am trying to copy data from CPU (host) to GPU (device), I get CUDA Runtime API error 1 when performing the cudaMemcpy operation. Jul 2, 2012 · I’m getting error code 11: invalid argument when trying to copy from the host to the device. Mar 11, 2015 · You would want to check whether the addresses passed to cudaMemcpy (), are within the bounds of the memory allocations on the host and he device side. 5w次，点赞13次，收藏18次。本文深入探讨了在CUDA编程中遇到的invalid argument错误，详细分析了错误原因，特别是二阶地址从主机到设备传递时可能引发的问题。作者分享了一个有效的解决方案，即在每次显存分配后立即检查CUDA错误，以便及时定位并修复问题。 Feb 1, 2018 · Check following CUDA code: #include #define cudaSafeCall(call) \\ do {\\ cudaError_t err = call;\\ if (cudaSuccess != err) \\ {\\ std::cerr Jun 21, 2021 · Im doing with a signal processing program, i try to deal with the whole signale with cut it for 4 pieces, but the front three pieces is operated while the fourth pieces is wrong. Feb 10, 2012 · But after using CUDA 4. The following is the code: #include <stdlib. I am using a for loop from i=0 to L-1 and copying big matrix only once from host to device for optimization. then using a kernel to do matrix multiplication, transpose and reshape. The result of this Dec 1, 2015 · invalid argument error in cudaMemcpy from device to host Asked 9 years, 7 months ago Modified 9 years, 7 months ago Viewed 2k times May 14, 2012 · When I debug this program, it fails when running at cudaMemcpy with the error information cudaSafeCall () Runtime API error 11: invalid argument. h> #include <stdio. You could also try running with cuda-memcheck, but I am not sure it can pinpoint the problem in this case any better than you have done by Oct 22, 2011 · dear all; I am in trouble and i need help. One matrix is M which is small and other is big. Matrices are stored as a linear array. cu failed with invalid argument (1). 1 official release, I found cudaMemcpy from a device memory buffer, which is allocated within a kernel using dynamic memory, back to host memory buffer returns an “invalid argument” error. Jul 12, 2017 · The array successfully writes (or at least cudaMalloc and cudaMemcpy both return cudaSuccess when I write to the device), but when I try to read it out cudaMemcpy returns an invalid argument error. But in that one, I used two variables S* d and S h [3] in the main function instead of in the class. Sep 4, 2011 · cudaMemcpy(gpu_found_index, cpu_found_index, foundSize, cudaMemcpyDeviceToHost); cudaMemcpy(gpu_memory_block, cpu_memory_block, memSize, cudaMemcpyDeviceToHost); You are copying from the device to the host, and the destination pointer is the first argument in a cudaMemcpy () call. I have tried everything for the last few days but I can not pass this error. I overlooked the parameter order by Aug 19, 2025 · ERROR: CUDA RT call "cudaMemcpy(v_device[i]+offset, v+offset+(i*nelem_init_device), size_init_device, cudaMemcpyHostToDevice)" in line 2436 of file mg. The issue may be incorrect computation of the addresses, or incorrect choice of allocation size (s). 文章浏览阅读3. h> # . Actually, this program is transformed from another one that can run correctly. I try to find wher Apr 8, 2021 · But when I am trying to copy data from CPU (host) to GPU (device), I get CUDA Runtime API error 1 when performing the cudaMemcpy operation. I have to do matrix multiplication L>1 times of 2 matrices. Thanks for the quick reply. fzpvm cqjfpvo kxf bgixqc niapv vyhs cihz mqro trxw nfza