Uber / swift-concurrency
File Change Frequency

File change frequency (churn) shows the distribution of file updates (days with at least one commit).

Overview
File Change Frequency Overall
  • There are 12 files with 423 lines of code.
    • 0 files changed more than 100 times (0 lines of code)
    • 0 files changed 51-100 times (0 lines of code)
    • 0 files changed 21-50 times (0 lines of code)
    • 1 file changed 6-20 times (90 lines of code)
    • 11 files changed 1-5 times (333 lines of code)
0% | 0% | 0% | 21% | 78%
Legend:
101+
51-100
21-50
6-20
1-5

explore: grouped by folders | grouped by update frequency | data
Contributors Count Frequency Overall
  • There are 12 files with 423 lines of code.
    • 0 files changed by more than 25 contributors (0 lines of code)
    • 0 files changed by 11-25 contributors (0 lines of code)
    • 0 files changed by 6-10 contributors (0 lines of code)
    • 5 files changed by 2-5 contributors (193 lines of code)
    • 7 files changed by 1 contributor (230 lines of code)
0% | 0% | 0% | 45% | 54%
Legend:
26+
11-25
6-10
2-5
1

explore: grouped by folders | grouped by contributors count | data
File Change Frequency per File Extension
swift, plist, txt, md, h, gitignore, m, json, yml
File Change Frequency per Extension
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
swift0% | 0% | 0% | 22% | 77%
m0% | 0% | 0% | 0% | 100%
h0% | 0% | 0% | 0% | 100%
File Change Frequency per Logical Decomposition
primary
primary (file change frequency)
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
Sources0% | 0% | 0% | 22% | 77%
ROOT0% | 0% | 0% | 0% | 100%
Most Frequently Changed Files (Top 13)

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
ConcurrentSequenceExecutor.swift
in Sources/Concurrency/Executor
 90 - 2018-07-26 2019-02-20 9 5 rudro1@yahoo.com neakor@gmail.com
Task.swift
in Sources/Concurrency/Executor
 18 1 2018-07-26 2019-01-24 3 4 rudro1@yahoo.com neakor@gmail.com
SequenceExecutor.swift
in Sources/Concurrency/Executor
 18 - 2018-07-26 2019-01-24 3 4 neakor@gmail.com neakor@gmail.com
22 - 2018-04-28 2020-03-17 3 4 rudro1@yahoo.com rudro@uber.com
Concurrency-Bridging-Header.h
in Sources/Concurrency
 4 - 2019-10-02 2019-10-03 2 1 cammc@uber.com cammc@uber.com
AtomicBridges.h
in Sources/ObjCBridges/include
 10 - 2018-12-13 2018-12-14 2 1 neakor@gmail.com neakor@gmail.com
AtomicBridges.m
in Sources/ObjCBridges
 15 - 2018-12-13 2018-12-14 2 1 neakor@gmail.com neakor@gmail.com
CountDownLatch.swift
in Sources/Concurrency
 45 - 2018-05-02 2018-05-25 2 2 neakor@gmail.com yiw@uber.com
ImmediateSerialSequenceExecutor.swift
in Sources/Concurrency/Executor
 50 - 2018-12-04 2019-01-24 2 1 neakor@gmail.com neakor@gmail.com
AutoReleasingSemaphore.swift
in Sources/Concurrency
 30 - 2019-02-20 2019-02-20 1 1 neakor@gmail.com neakor@gmail.com
AtomicReference.swift
in Sources/Concurrency
 53 - 2018-12-14 2018-12-14 1 1 neakor@gmail.com neakor@gmail.com
AtomicInt.swift
in Sources/Concurrency
 68 - 2018-12-13 2018-12-13 1 1 neakor@gmail.com neakor@gmail.com
AtomicBool.swift
in Sources/Concurrency
 36 -
Files With Most Contributors (Top 13)
Based on the number of unique email addresses found in commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
ConcurrentSequenceExecutor.swift
in Sources/Concurrency/Executor
 90 - 2018-07-26 2019-02-20 9 5 rudro1@yahoo.com neakor@gmail.com
22 - 2018-04-28 2020-03-17 3 4 rudro1@yahoo.com rudro@uber.com
SequenceExecutor.swift
in Sources/Concurrency/Executor
 18 - 2018-07-26 2019-01-24 3 4 neakor@gmail.com neakor@gmail.com
Task.swift
in Sources/Concurrency/Executor
 18 1 2018-07-26 2019-01-24 3 4 rudro1@yahoo.com neakor@gmail.com
CountDownLatch.swift
in Sources/Concurrency
 45 - 2018-05-02 2018-05-25 2 2 neakor@gmail.com yiw@uber.com
AtomicBridges.m
in Sources/ObjCBridges
 15 - 2018-12-13 2018-12-14 2 1 neakor@gmail.com neakor@gmail.com
AtomicBridges.h
in Sources/ObjCBridges/include
 10 - 2018-12-13 2018-12-14 2 1 neakor@gmail.com neakor@gmail.com
ImmediateSerialSequenceExecutor.swift
in Sources/Concurrency/Executor
 50 - 2018-12-04 2019-01-24 2 1 neakor@gmail.com neakor@gmail.com
Concurrency-Bridging-Header.h
in Sources/Concurrency
 4 - 2019-10-02 2019-10-03 2 1 cammc@uber.com cammc@uber.com
AtomicInt.swift
in Sources/Concurrency
 68 - 2018-12-13 2018-12-13 1 1 neakor@gmail.com neakor@gmail.com
AtomicReference.swift
in Sources/Concurrency
 53 - 2018-12-14 2018-12-14 1 1 neakor@gmail.com neakor@gmail.com
AutoReleasingSemaphore.swift
in Sources/Concurrency
 30 - 2019-02-20 2019-02-20 1 1 neakor@gmail.com neakor@gmail.com
AtomicBool.swift
in Sources/Concurrency
 36 -
Files With Least Contributors (Top 13)
Based on the number of unique email addresses found in commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
AtomicBool.swift
in Sources/Concurrency
 36 -
AtomicInt.swift
in Sources/Concurrency
 68 - 2018-12-13 2018-12-13 1 1 neakor@gmail.com neakor@gmail.com
AtomicReference.swift
in Sources/Concurrency
 53 - 2018-12-14 2018-12-14 1 1 neakor@gmail.com neakor@gmail.com
ImmediateSerialSequenceExecutor.swift
in Sources/Concurrency/Executor
 50 - 2018-12-04 2019-01-24 2 1 neakor@gmail.com neakor@gmail.com
AutoReleasingSemaphore.swift
in Sources/Concurrency
 30 - 2019-02-20 2019-02-20 1 1 neakor@gmail.com neakor@gmail.com
AtomicBridges.m
in Sources/ObjCBridges
 15 - 2018-12-13 2018-12-14 2 1 neakor@gmail.com neakor@gmail.com
AtomicBridges.h
in Sources/ObjCBridges/include
 10 - 2018-12-13 2018-12-14 2 1 neakor@gmail.com neakor@gmail.com
Concurrency-Bridging-Header.h
in Sources/Concurrency
 4 - 2019-10-02 2019-10-03 2 1 cammc@uber.com cammc@uber.com
CountDownLatch.swift
in Sources/Concurrency
 45 - 2018-05-02 2018-05-25 2 2 neakor@gmail.com yiw@uber.com
22 - 2018-04-28 2020-03-17 3 4 rudro1@yahoo.com rudro@uber.com
SequenceExecutor.swift
in Sources/Concurrency/Executor
 18 - 2018-07-26 2019-01-24 3 4 neakor@gmail.com neakor@gmail.com
Task.swift
in Sources/Concurrency/Executor
 18 1 2018-07-26 2019-01-24 3 4 rudro1@yahoo.com neakor@gmail.com
ConcurrentSequenceExecutor.swift
in Sources/Concurrency/Executor
 90 - 2018-07-26 2019-02-20 9 5 rudro1@yahoo.com neakor@gmail.com
Correlations

File Size vs. Number of Changes: 12 points

Package.swift x: 22 lines of code y: 3 # changes Sources/Concurrency/Concurrency-Bridging-Header.h x: 4 lines of code y: 2 # changes Sources/Concurrency/AutoReleasingSemaphore.swift x: 30 lines of code y: 1 # changes Sources/Concurrency/Executor/ConcurrentSequenceExecutor.swift x: 90 lines of code y: 9 # changes Sources/Concurrency/Executor/ImmediateSerialSequenceExecutor.swift x: 50 lines of code y: 2 # changes Sources/Concurrency/Executor/SequenceExecutor.swift x: 18 lines of code y: 3 # changes Sources/Concurrency/AtomicReference.swift x: 53 lines of code y: 1 # changes Sources/ObjCBridges/AtomicBridges.m x: 15 lines of code y: 2 # changes Sources/ObjCBridges/include/AtomicBridges.h x: 10 lines of code y: 2 # changes Sources/Concurrency/AtomicInt.swift x: 68 lines of code y: 1 # changes Sources/Concurrency/CountDownLatch.swift x: 45 lines of code y: 2 # changes
9.0
# changes
  min: 1.0
  average: 2.58
  25th percentile: 1.25
  median: 2.0
  75th percentile: 3.0
  max: 9.0
0 90.0
lines of code
min: 4.0 | average: 35.25 | 25th percentile: 15.75 | median: 26.0 | 75th percentile: 52.25 | max: 90.0

Number of Contributors vs. Number of Changes: 12 points

Package.swift x: 4 # contributors y: 3 # changes Sources/Concurrency/Concurrency-Bridging-Header.h x: 1 # contributors y: 2 # changes Sources/Concurrency/AutoReleasingSemaphore.swift x: 1 # contributors y: 1 # changes Sources/Concurrency/Executor/ConcurrentSequenceExecutor.swift x: 5 # contributors y: 9 # changes Sources/Concurrency/CountDownLatch.swift x: 2 # contributors y: 2 # changes
9.0
# changes
  min: 1.0
  average: 2.58
  25th percentile: 1.25
  median: 2.0
  75th percentile: 3.0
  max: 9.0
0 5.0
# contributors
min: 1.0 | average: 2.17 | 25th percentile: 1.0 | median: 1.0 | 75th percentile: 4.0 | max: 5.0

Number of Contributors vs. File Size: 12 points

Package.swift x: 4 # contributors y: 22 lines of code Sources/Concurrency/Concurrency-Bridging-Header.h x: 1 # contributors y: 4 lines of code Sources/Concurrency/AutoReleasingSemaphore.swift x: 1 # contributors y: 30 lines of code Sources/Concurrency/Executor/ConcurrentSequenceExecutor.swift x: 5 # contributors y: 90 lines of code Sources/Concurrency/Executor/ImmediateSerialSequenceExecutor.swift x: 1 # contributors y: 50 lines of code Sources/Concurrency/Executor/SequenceExecutor.swift x: 4 # contributors y: 18 lines of code Sources/Concurrency/AtomicReference.swift x: 1 # contributors y: 53 lines of code Sources/ObjCBridges/AtomicBridges.m x: 1 # contributors y: 15 lines of code Sources/ObjCBridges/include/AtomicBridges.h x: 1 # contributors y: 10 lines of code Sources/Concurrency/AtomicInt.swift x: 1 # contributors y: 68 lines of code Sources/Concurrency/CountDownLatch.swift x: 2 # contributors y: 45 lines of code
90.0
lines of code
  min: 4.0
  average: 35.25
  25th percentile: 15.75
  median: 26.0
  75th percentile: 52.25
  max: 90.0
0 5.0
# contributors
min: 1.0 | average: 2.17 | 25th percentile: 1.0 | median: 1.0 | 75th percentile: 4.0 | max: 5.0