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-rw-r--r--wqflask/wqflask/my_pylmm/pyLMM/chunk_test.py107
-rw-r--r--wqflask/wqflask/my_pylmm/pyLMM/lmm.py9
2 files changed, 111 insertions, 5 deletions
diff --git a/wqflask/wqflask/my_pylmm/pyLMM/chunk_test.py b/wqflask/wqflask/my_pylmm/pyLMM/chunk_test.py
new file mode 100644
index 00000000..58900778
--- /dev/null
+++ b/wqflask/wqflask/my_pylmm/pyLMM/chunk_test.py
@@ -0,0 +1,107 @@
+from __future__ import absolute_import, print_function, division
+
+import math
+import time
+import collections
+
+"""
+558 exact out of 1000 [Total amount off: 1580]
+"""
+
+
+
+def zach_divide_into_chunks(the_list, number_chunks):
+ length = len(the_list)
+ if length == 0:
+ return [[]]
+
+ if number_chunks > length:
+ number_chunks = length
+
+ chunksize = int(math.ceil(length / number_chunks))
+ #if length % number_chunks > 0:
+ # chunksize += 1
+ # while (chunksize * number_chunks) > length:
+ # number_chunks -= 1
+
+ chunks = []
+ for counter in range(0, length, chunksize):
+ chunks.append(the_list[counter:counter+chunksize])
+
+ return chunks
+
+
+def sam_divide_into_chunks(the_list, number_chunks):
+ length = len(the_list)
+
+ if length == 0:
+ return [[]]
+ else:
+ if length <= number_chunks:
+ number_chunks = length
+
+ chunksize = int(math.ceil(length / number_chunks))
+
+ chunks = []
+ for counter in range(0, length, chunksize):
+ chunks.append(the_list[counter:counter+chunksize])
+
+ return chunks
+
+def confirm_chunk(original, result):
+ all_chunked = []
+ for chunk in result:
+ all_chunked.extend(chunk)
+ print("length of all chunked:", len(all_chunked))
+ assert original == all_chunked, "You didn't chunk right"
+
+
+def chunk_test(divide_func):
+ import random
+ random.seed(7)
+
+ number_exact = 0
+ total_amount_off = 0
+
+ for test in range(1, 1001):
+ print("\n\ntest:", test)
+ number_chunks = random.randint(1, 20)
+ number_elements = random.randint(0, 100)
+ the_list = list(range(1, number_elements))
+ result = divide_func(the_list, number_chunks)
+
+ print("Dividing list of length {} into approximately {} chunks - got {} chunks".format(
+ len(the_list), number_chunks, len(result)))
+ print("result:", result)
+
+ confirm_chunk(the_list, result)
+
+ amount_off = abs(number_chunks - len(result))
+ if amount_off == 0:
+ number_exact += 1
+ else:
+ total_amount_off += amount_off
+
+
+ print("\n{} exact out of {} [Total amount off: {}]".format(number_exact,
+ test,
+ total_amount_off))
+
+ return number_exact, total_amount_off
+
+
+def main():
+ info = dict()
+ funcs = (("sam", sam_divide_into_chunks), ("zach", zach_divide_into_chunks))
+ for name, func in funcs:
+ start = time.time()
+ number_exact, total_amount_off = chunk_test(func)
+ took = time.time() - start
+ info[name] = dict(number_exact=number_exact,
+ total_amount_off=total_amount_off,
+ took=took)
+
+ print("info is:", info)
+
+if __name__ == '__main__':
+ main() \ No newline at end of file
diff --git a/wqflask/wqflask/my_pylmm/pyLMM/lmm.py b/wqflask/wqflask/my_pylmm/pyLMM/lmm.py
index db617b23..09cbdc2c 100644
--- a/wqflask/wqflask/my_pylmm/pyLMM/lmm.py
+++ b/wqflask/wqflask/my_pylmm/pyLMM/lmm.py
@@ -111,13 +111,12 @@ def divide_into_chunks(the_list, number_chunks):
if number_chunks > length:
number_chunks = length
- remainder = length - (int(length / number_chunks) * number_chunks)
- if remainder > 0:
- chunksize = int(length / number_chunks) + 1
+ chunksize = int(length / number_chunks)
+ if length % number_chunks > 0:
+ chunksize += 1
while (chunksize * number_chunks) > length:
+ print("in while")
number_chunks -= 1
- else:
- chunksize = int(length / number_chunks)
chunks = []
for counter in range(0, length, chunksize):