From fdc53fd16ce9c296e6ddc848d2c910d14f510d2c Mon Sep 17 00:00:00 2001
From: Patrick Jentsch <p.jentsch@uni-bielefeld.de>
Date: Mon, 15 Apr 2019 09:56:47 +0200
Subject: [PATCH] Use a single core for deu_frak

---
 ocr | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/ocr b/ocr
index bc96101..85807d8 100755
--- a/ocr
+++ b/ocr
@@ -172,9 +172,10 @@ class OCRWorkflow(WorkflowRunner):
         '''
         ' Tesseract runs fastest with four cores. So we run it with either four
         ' or, if there are less then four cores available for this workflow, the
-        ' available core number.
+        ' available core number. The deu_frak language model only supports
+        ' single core processing, so we use use only one core for this language.
         '''
-        ocr_job_nCores = min(4, self.nCores)
+        ocr_job_nCores = 1 if self.lang == "deu_frak" else min(4, self.nCores)
         for job in self.jobs:
             for file in filter(lambda x: x.endswith(".tif") if self.skipBinarization else x.endswith(".bin.png"), os.listdir(os.path.join(job["output_dir"], "tmp"))):
                 ocr_job_number += 1