try this kknd
-b 36 -t 512 -p 2800

C:\Users\admin\Desktop\bitcrack>clBitCrack.exe -d 0 -b 200 -t 512 -p 512  -----
[2019-05-12.23:11:56] [Info] Loading ' c3.txt'
[2019-05-12.23:11:56] [Info] Compression: both
[2019-05-12.23:11:56] [Info] Starting at: F9F882DF6F85D35711C4298BDB870F16916F13C
[2019-05-12.23:11:56] [Info] Ending at:   FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDC
[2019-05-12.23:11:56] [Info] Counting by: 0000000000000000000000000000000000000000000000000000000000000001
[2019-05-12.23:11:56] [Info] Compiling OpenCL kernels...
[2019-05-12.23:11:56] [Info] Initializing GeForce RTX 2080
[2019-05-12.23:12:03] [Info] Generating 52,428,800 starting points (2000.0MB)
[2019-05-12.23:12:10] [Info] 10.0%
[2019-05-12.23:12:11] [Info] 20.0%
[2019-05-12.23:12:12] [Info] 30.0%
[2019-05-12.23:12:13] [Info] 40.0%
[2019-05-12.23:12:15] [Info] 50.0%
[2019-05-12.23:12:16] [Info] 60.0%
[2019-05-12.23:12:17] [Info] 70.0%
[2019-05-12.23:12:18] [Info] 80.0%
[2019-05-12.23:12:20] [Info] 90.0%
[2019-05-12.23:12:21] [Info] 100.0%
[2019-05-12.23:12:21] [Info] Done
[2019-05-12.23:12:22] [Info] Loading addresses from '01btc.txt'
[2019-05-12.23:12:32] [Info] 1,681,329 addresses loaded (32.1MB)
GeForce RTX 2080 3232/8192MB | 1681329 targets 135.27 MKey/s (52,931,539,763,200 total) [4:13:01:43][2019-05-13.11:53:49] [Info] Checkpoint

C:\Users\admin\Desktop\bitcrack>clBitCrack.exe -d 0 -b 36 -t 512 -p 2800
[2019-05-13.12:01:25] [Info] Loading ' c3.txt'
[2019-05-13.12:01:25] [Info] Compression: both
[2019-05-13.12:01:25] [Info] Starting at: F9F882DF6F85D35711C4298BDB870F16916F13
[2019-05-13.12:01:25] [Info] Ending at:   FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6
[2019-05-13.12:01:25] [Info] Counting by: 0000000000000000000000000000000000000000000000000000000000000001
[2019-05-13.12:01:25] [Info] Compiling OpenCL kernels...
[2019-05-13.12:01:25] [Info] Initializing GeForce RTX 2080
[2019-05-13.12:01:31] [Info] Generating 51,609,600 starting points (1968.8MB)
[2019-05-13.12:01:38] [Info] 10.0%
[2019-05-13.12:01:39] [Info] 20.0%
[2019-05-13.12:01:40] [Info] 30.0%
[2019-05-13.12:01:41] [Info] 40.0%
[2019-05-13.12:01:43] [Info] 50.0%
[2019-05-13.12:01:44] [Info] 60.0%
[2019-05-13.12:01:45] [Info] 70.0%
[2019-05-13.12:01:46] [Info] 80.0%
[2019-05-13.12:01:47] [Info] 90.0%
[2019-05-13.12:01:48] [Info] 100.0%
[2019-05-13.12:01:48] [Info] Done
[2019-05-13.12:01:48] [Info] Loading addresses from '01btc.txt'
[2019-05-13.12:01:57] [Info] 1,681,329 addresses loaded (32.1MB)
GeForce RTX 2080 3182/8192MB | 1681329 targets 135.39 MKey/s (52,991,521,587,200 total) [4:13:10:04][2019-05-13.12:02:26] [Info] Checkpoint