apple / swift-corelibs-foundation
File Change Frequency

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

File Change Frequency Overall
File Change Frequency Overall
The number of recorded file updates
  • There are 726 files with 217,277 lines of code.
    • 8 files changed more than 100 times (9,594 lines of code)
    • 13 files changed 51-100 times (23,927 lines of code)
    • 99 files changed 21-50 times (68,665 lines of code)
    • 248 files changed 6-20 times (60,558 lines of code)
    • 358 files changed 1-5 times (54,533 lines of code)
4% | 11% | 31% | 27% | 25%
Legend:
101+
51-100
21-50
6-20
1-5

Detailed data...

File Change Frequency per File Extension
swift, h, c, plist, txt, md, py, cmake, S, sh, m, xsl, xml, json, mm, in, gitignore
File Change Frequency per Extension
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
swift6% | 4% | 23% | 37% | 28%
c1% | 22% | 51% | 22% | 1%
h3% | 2% | 5% | 18% | 69%
py25% | 0% | 58% | 13% | 2%
m0% | 0% | 29% | 28% | 42%
cmake0% | 0% | 26% | 21% | 51%
S0% | 0% | 0% | 100% | 0%
xsl0% | 0% | 0% | 0% | 100%
mm0% | 0% | 0% | 0% | 100%
in0% | 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
Darwin/Foundation-swiftoverlay30% | 21% | 33% | 8% | 6%
CoreFoundation/Base.subproj26% | 31% | 31% | 10% | <1%
ROOT100% | 0% | 0% | 0% | 0%
CoreFoundation/String.subproj0% | 40% | 39% | 16% | 2%
CoreFoundation/URL.subproj0% | 47% | 19% | 32% | 0%
CoreFoundation/RunLoop.subproj0% | 46% | 46% | 6% | 0%
CoreFoundation/NumberDate.subproj0% | 39% | 41% | 18% | <1%
Sources/Foundation0% | 0% | 14% | 47% | 37%
CoreFoundation/Locale.subproj0% | 0% | 58% | 37% | 3%
Darwin/Foundation-swiftoverlay-Tests0% | 0% | 85% | 6% | 7%
CoreFoundation/PlugIn.subproj0% | 0% | 68% | 28% | 2%
CoreFoundation/Parsing.subproj0% | 0% | 88% | 11% | <1%
CoreFoundation/Collections.subproj0% | 0% | 60% | 39% | 0%
CoreFoundation/Stream.subproj0% | 0% | 80% | 19% | 0%
Sources/FoundationNetworking0% | 0% | 17% | 39% | 43%
CoreFoundation/StringEncodings.subproj0% | 0% | 22% | 77% | 0%
lib0% | 0% | 73% | 22% | 3%
CoreFoundation/Preferences.subproj0% | 0% | 38% | 61% | 0%
CoreFoundation/Error.subproj0% | 0% | 90% | 9% | 0%
CoreFoundation0% | 0% | 99% | 0% | <1%
cmake/modules0% | 0% | 33% | 0% | 66%
Sources/FoundationXML0% | 0% | 0% | 99% | <1%
CoreFoundation/AppServices.subproj0% | 0% | 0% | 100% | 0%
Darwin/shims0% | 0% | 0% | 91% | 8%
Sources/UUID0% | 0% | 0% | 83% | 16%
CoreFoundation/cmake0% | 0% | 0% | 100% | 0%
DarwinCompatibilityTests0% | 0% | 0% | 100% | 0%
Darwin/CoreFoundation-swiftoverlay0% | 0% | 0% | 15% | 84%
bootstrap/x86_64-apple-darwin0% | 0% | 0% | 0% | 100%
Sources/BlocksRuntime0% | 0% | 0% | 0% | 100%
Sources/Tools0% | 0% | 0% | 0% | 100%
CoreFoundation/Tools0% | 0% | 0% | 0% | 100%
Darwin/CoreFoundation-swiftoverlay-Tests0% | 0% | 0% | 0% | 100%
Most Frequently Changed Files (Top 20)

See data for all files...

File# lines# unitslast modified
(days ago)		created
(days ago)		# changes
Foundation.swift
in Darwin/Foundation-swiftoverlay
 49 1 446 3316 242
NSStringAPI.swift
in Darwin/Foundation-swiftoverlay
 1152 11 446 2975 197
build.py
in root
 522 - 992 2266 165
ForSwiftFoundationOnly.h
in CoreFoundation/Base.subproj
 585 9 143 2258 160
Data.swift
in Darwin/Foundation-swiftoverlay
 2273 89 446 2057 152
NSError.swift
in Darwin/Foundation-swiftoverlay
 2452 9 446 2454 111
CFPlatform.c
in CoreFoundation/Base.subproj
 1655 91 76 2240 109
CFInternal.h
in CoreFoundation/Base.subproj
 906 41 143 2258 108
CFRuntime.c
in CoreFoundation/Base.subproj
 1449 67 143 2258 91
CFTimeZone.c
in CoreFoundation/NumberDate.subproj
 1505 71 96 2243 77
Decimal.swift
in Darwin/Foundation-swiftoverlay
 600 1 145 2057 73
URL.swift
in Darwin/Foundation-swiftoverlay
 648 - 446 2057 70
JSONEncoder.swift
in Darwin/Foundation-swiftoverlay
 1680 54 446 1783 67
CFString.c
in CoreFoundation/String.subproj
 6062 176 143 2258 66
IndexSet.swift
in Darwin/Foundation-swiftoverlay
 617 6 446 2057 61
CoreFoundation_Prefix.h
in CoreFoundation/Base.subproj
 346 6 143 2241 60
ForFoundationOnly.h
in CoreFoundation/Base.subproj
 581 13 143 2258 60
CFURL.c
in CoreFoundation/URL.subproj
 4753 140 142 2221 60
CharacterSet.swift
in Darwin/Foundation-swiftoverlay
 570 25 446 2057 58
CFRunLoop.c
in CoreFoundation/RunLoop.subproj
 3708 207 142 2241 57