SpGEMM bad_alloc Error #31
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neoblizz
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Nov 7, 2023
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| // Allocate memory for the host matrix data | ||
| h_C.m_data.resize(d_C.rows * d_C.cols); |
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You can see it here, what is the size of d_C.rows * d_C.cols? I think this is
neoblizz
reviewed
Nov 7, 2023
| h_C.m_data.resize(d_C.rows * d_C.cols); | ||
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| // Copy matrix data from device to host | ||
| cudaMemcpy(h_C.m_data.data(), d_C.m_data_ptr, sizeof(type_t) * d_C.rows * d_C.cols, cudaMemcpyDeviceToHost); |
neoblizz
reviewed
Nov 7, 2023
examples/spgemm/thread_mapped.cu
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| csc_t<index_t, offset_t, type_t> csc(mtx.load(parameters.filename)); | ||
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| // Output matrix. | ||
| matrix_t<type_t> C(csr.rows, csc.cols); |
… and a column of B per thread with the stride size of TILE_SIZE
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@Floruaaa666 I see that this is a work in progress, let me know when you'd like me to review for merge after its been cleaned up. |
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My SpGEMM approach uses the inner product (CSR*CSC = dense format) and I used a few input matrices from SS to test. For some of the input matrices, the program had an error saying:
The matrices with this error: