changed chunk generation

ref_seg_ger.py

@@ -115,7 +115,7 @@ def load_image(image_path, size=None):
 class RefSeg(datasets.GeneratorBasedBuilder):
     """TODO: Short description of my dataset."""
 
-    CHUNK_SIZE = 512
+    CHUNK_SIZE = 256
     VERSION = datasets.Version("1.0.0")
 
     # This is an example of a dataset with multiple configurations.
@@ -255,12 +255,17 @@ class RefSeg(datasets.GeneratorBasedBuilder):
                 if input != '':
                     clean_input_ids.append(input)
                     clean_labels.append(labels[i])
-            for chunk_id, index in enumerate(range(0, len(clean_input_ids), self.CHUNK_SIZE)):
-                split_ids = clean_input_ids[index:max(len(clean_input_ids), index + self.CHUNK_SIZE)]
+            n_chunks = int(len(clean_input_ids)/self.CHUNK_SIZE) if len(clean_input_ids)%self.CHUNK_SIZE == 0 \
+                else int(len(clean_input_ids)/self.CHUNK_SIZE) + 1
+            split_ids = np.array_split(clean_input_ids, n_chunks)
+            split_labels = np.array_split(clean_labels, n_chunks)
+            for chunk_ids, chunk_labels in zip(split_ids, split_labels):
+            #for chunk_id, index in enumerate(range(0, len(clean_input_ids), self.CHUNK_SIZE)):
+                #split_ids = clean_input_ids[index:max(len(clean_input_ids), index + self.CHUNK_SIZE)]
                 #split_bboxes = bboxes[index:index + self.CHUNK_SIZE]
                 # split_rgbs = rgbs[index:index + self.CHUNK_SIZE]
                 # split_fonts = fonts[index:index + self.CHUNK_SIZE]
-                split_labels = clean_labels[index:max(len(clean_input_ids), index + self.CHUNK_SIZE)]
+                #split_labels = clean_labels[index:max(len(clean_input_ids), index + self.CHUNK_SIZE)]
                 #split_labels_post = [item for sublist in split_labels for item in sublist]
                 # if(len(split_ids) != len(split_labels)):
                 #     print(f)
@@ -278,13 +283,13 @@ class RefSeg(datasets.GeneratorBasedBuilder):
 
                 yield key, {
                     #"id": f"{os.path.basename(f)}_{chunk_id}",
-                    'input_ids': split_ids,
-                    'attention_mask': [1] * len(split_ids),
+                    'input_ids': chunk_ids,
+                    'attention_mask': [1] * len(chunk_ids),
                     #"bbox": split_bboxes,
                     # "RGBs": split_rgbs,
                     # "fonts": split_fonts,
                     #"image": image,
                     #"original_image": original_image,
-                    "labels": split_labels
+                    "labels": chunk_labels
                 }
                 key += 1