Jon Dart

case sensitive UCI option names

1

I have cutechess-cli 1.1, platform is Linux x64 (Ubuntu). Not sure if this bug is still in current versions, but the issue is, options specified on the command line seem...

Fathom

2

You probably want to use an updated version of https://github.com/jdart1/Fathom - it has had some fixes since the version you are synched with. Can use a submodule to reference the...

"info string" on startup causes assertion

2

I am running my engine under lichess-bot with debug tracing enabled. Debug output ("info string") starts being sent after "uci" but before "isready." However, I am getting an assertion from...

This used to work (as of commit 40ed59432426fe0678b6578871eb3d9cbb0d588f it did), but no longer does. It looks like it now assumes there are PSQT features. There may be other dependencies on...

Fixes for handing of popcnt and for compilation on non-x86 architectures

2

Always use TB_CUSTOM_POP_COUNT if defined. If not defined and if also TB_NO_HW_POP_COUNT is not defined, use a x86 hardware instruction, but only if on a recognized compiler/architecture that has one....

occasional crashes calling probe_wdl multithreaded

5

I am seeing occasional crashing calling probe_wdl (supposedly thread-safe) in a multithreaded engine. Stack trace follows (generated by GCC 6.2 with -fsanitize=address and -fsanitize=bounds) (Note: this is with my pending...

Not thread-safe when probing root?

1

The library seems to have problems when multiple threads call tb_probe_root (memory corruption). In my engine this is not done during a normal search, but there are some cases in...

DECOMP64

3

DECOMP64 is used in a few places in the code but I don't see anywhere that it is defined. Should this be in tbconfig.h or is it from one of...