From 692b2d0afb1fd03d8aa28faef09ba66acbac2cc1 Mon Sep 17 00:00:00 2001
From: "Shahin M. Shahin" <41402573+peregrineshahin@users.noreply.github.com>
Date: Thu, 4 Apr 2024 23:30:18 +0300
Subject: [PATCH] Read SPSA from File

This is to allow for large tunes, skips dependent on cutechess and window command line restrictions for large amount of params.

Should work with https://github.com/official-stockfish/Stockfish/compare/master...Disservin:Stockfish:read-tune-from-file?expand=1
---
 worker/games.py | 35 ++++++++++++++++++++++-------------
 worker/sri.txt  |  2 +-
 2 files changed, 23 insertions(+), 14 deletions(-)

diff --git a/worker/games.py b/worker/games.py
index 64463a3c5..0f30e7b61 100644
--- a/worker/games.py
+++ b/worker/games.py
@@ -1150,32 +1150,41 @@ def launch_cutechess(
         w_params = req["w_params"]
         b_params = req["b_params"]
 
+        def generate_tune_options(params):
+            # Stochastic rounding and probability for float N.p: (N, 1-p); (N+1, p)
+            options = [
+                "{},{}".format(
+                    param["name"], math.floor(param["value"] + random.uniform(0, 1))
+                )
+                for param in params
+            ]
+            return ",".join(options)
+
+        # Generate option strings for white and black parameters
+        w_tune_options = generate_tune_options(w_params)
+        b_tune_options = generate_tune_options(b_params)
+
+        # Write option names and values to a file
+        with open("w_tune_options.csv", "w") as f:
+            f.write(w_tune_options)
+
+        with open("b_tune_options.csv", "w") as f:
+            f.write(b_tune_options)
     else:
         w_params = []
         b_params = []
 
     # Run cutechess-cli binary.
-    # Stochastic rounding and probability for float N.p: (N, 1-p); (N+1, p)
     idx = cmd.index("_spsa_")
     cmd = (
         cmd[:idx]
-        + [
-            "option.{}={}".format(
-                x["name"], math.floor(x["value"] + random.uniform(0, 1))
-            )
-            for x in w_params
-        ]
+        + (["option.TuneFile=w_tune_options.csv"] if len(w_params) != 0 else [])
         + cmd[idx + 1 :]
     )
     idx = cmd.index("_spsa_")
     cmd = (
         cmd[:idx]
-        + [
-            "option.{}={}".format(
-                x["name"], math.floor(x["value"] + random.uniform(0, 1))
-            )
-            for x in b_params
-        ]
+        + (["option.TuneFile=b_tune_options.csv"] if len(b_params) != 0 else [])
         + cmd[idx + 1 :]
     )
 
diff --git a/worker/sri.txt b/worker/sri.txt
index ee2cad5b6..3cba2942d 100644
--- a/worker/sri.txt
+++ b/worker/sri.txt
@@ -1 +1 @@
-{"__version": 241, "updater.py": "Mg+pWOgGA0gSo2TuXuuLCWLzwGwH91rsW1W3ixg3jYauHQpRMtNdGnCfuD1GqOhV", "worker.py": "BMuQUpxZAKF0aP6ByTZY1r06MfPoIbdG2xraTrDQQRKgvhzJo6CKmeX2P8vX/QDm", "games.py": "9dFaa914vpqT7q4LLx2LlDdYwK6QFVX3h7+XRt18ATX0lt737rvFeBIiqakkttNC"}
+{"__version": 241, "updater.py": "Mg+pWOgGA0gSo2TuXuuLCWLzwGwH91rsW1W3ixg3jYauHQpRMtNdGnCfuD1GqOhV", "worker.py": "BMuQUpxZAKF0aP6ByTZY1r06MfPoIbdG2xraTrDQQRKgvhzJo6CKmeX2P8vX/QDm", "games.py": "EPw6bVCRgJT/e7COnAzV+OSUn/yXbhybzfU9oNnBxf/ommjXTByBzUMsh+V+D7Ic"}