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Up Topic Hauptforen / CSS-Forum / 1 oder 2 Thread(s)
- By Lothar Jung Date 2020-02-04 12:40
Hier ein Test:

**Match**: T60: 62200 with 1 thread and 2 threads vs 256x20-t40-1541 in time control
**LC0 version:** 0.23.2
**LC0 options:** cudnn-fp16, move-overhead=50. 62200: kiudee bonus settings, 1 and 2 threads. 256x20-t40-1541: 1 thread, cpuct=1.45, fpu=0.24, pst=1.6, cpuct-base=5000
**Time control:**  2s+0.2s for 62200, 1s+0.1s for 256x20-t40-1541
**Hardware:** RTX 2070
**Book:** Super GM 500 book, in sequence, reversed color
**Tablebases:** 6-man TB
**Adjudication**: 6-man TB, -draw movenumber=50 movecount=5 score=8 -resign movecount=5 score=800
**Speed:** lc0 benchmark with each settings: 256x20-t40-1541: 20.5 knps, 62200: 11.4 knps (1 thread), 12.2 (2 threads)
**Software:**cutechess-cli
**Comments:** 62200 in 1 thread does better than 2 threads (default thread count) in match vs 256x20-t40-1541. Note that the 20b net has the half playing time compared to 62200. So similar to my other results <https://discordapp.com/channels/425419482568196106/530486338236055583/643686578660835329>, 1 thread is better than 2 thread for T60 nets in a single GPU.

```diff
62200: kiudee bonus thread, 1 and 2 threads, tc=2s+0.2s
256x20-t40-1541, 1 thread, cpuct=1.45, fpu=0.24, pst=1.6, cpuct-base=5000, tc=1s+0.1s

   # PLAYER                     :  RATING  ERROR  POINTS  PLAYED   (%)  CFS(%)    W     D    L
+  1 lc0.net.62200.1_thread     :      26     11   537.0    1000  53.7      95  182   710  108
+  2 lc0.net.62200.2_threads    :     12     11   517.5    1000  51.8      98  171   693  136
-  3 lc0.net.256x20-t40-1541    :       0   ----   945.5    2000  47.3     ---  244  1403  353

White advantage = 23.07 +/- 4.36
Draw rate (equal opponents) = 71.07 % +/- 1.02
```
Up Topic Hauptforen / CSS-Forum / 1 oder 2 Thread(s)

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