https://github.com/XopMC/CudaBrainSecp/blob/main/GPU/GPUSecp.cu
all you need is there. mod mult, mod add, sha256 and hash160 for cuda.
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Expected: operations 2^37.08, HT size: 101.24Mb
GPU code #ND128
GPU #0 Generate kangaroos: 1441792 items
GPU #0 Done in 00:00:03s
Kangaroo array removed, freed:132.00Mb
Checker thread started
0[1][839]839 MKeys/s[dead:1][HT:69.75Mb DP 2^20.54 OP 2^36.54] t:1m 54s
Pub: 0290e6900a58d33393bc1097b5aed31f2e4e7cbd3e5466af958665bc0121248483
Priv: 0x349b84b6431a6c4ef1
Expected: operations 2^37.08, HT size: 101.24Mb
GPU code #ND128
GPU #0 Generate kangaroos: 1441792 items
GPU #0 Done in 00:00:03s
Kangaroo array removed, freed:132.00Mb
Checker thread started
0[1][680]680 MKeys/s[dead:0][HT:81.88Mb DP 2^20.78 OP 2^36.78] t:1m 24s
Pub: 0290e6900a58d33393bc1097b5aed31f2e4e7cbd3e5466af958665bc0121248483
Priv: 0x349b84b6431a6c4ef1
1|1