The version of Apache log4j used by SoundHelix.
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Tags
- 1.3alpha-7
- CHAINSAW_2_SANDBOX_MERGE
- CORE_VERSION
- LEVEL_REPLACES_PRIORITY
- PREALPHA_1_3_AS_OF_2004_05_12
- PRE_CHAINSAW_MODEL_CONVERSION
- PRE_UGLI_MOVE
- TAG_CHAINSAW2_MOVE
- log4j-1.2.17
- log4j-1.2.17-rc1
- v1.3alpha8
- v1.3alpha8-temp
- v1_2_1
- v1_2_10-recalled
- v1_2_11
- v1_2_11_rc1
- v1_2_11rc3
- v1_2_12
- v1_2_12_rc1
- v1_2_12_rc2
- v1_2_12_rc3
- v1_2_12_rc4
- v1_2_12_rc5
- v1_2_12_rc6
- v1_2_13
- v1_2_13_rc1
- v1_2_13_rc2
- v1_2_13_site_update
- v1_2_14
- v1_2_14_maven
- v1_2_14_rc1
- v1_2_14_site_update
- v1_2_15
- v1_2_15_rc1
- v1_2_15_rc2
- v1_2_15_rc3
- v1_2_15_rc4
- v1_2_15_rc5
- v1_2_15_rc6
- v1_2_16
- v1_2_16_rc1
- v1_2_16_rc2
- v1_2_17
- v1_2_17-rc1
- v1_2_17_rc1
- v1_2_17_rc2
- v1_2_17_rc3
- v1_2_2
- v1_2_3
- v1_2_4
- v1_2_6
- v1_2_7
- v1_2_9
- v1_2_alpha0
- v1_2_alpha7
- v1_2beta1
- v1_2final
- v1_3alpha_1
- v1_3alpha_6
- v_1_0
- v_1_0_1
- v_1_0_4
- v_1_1
- v_1_1_1
- v_1_1_2
- v_1_1_3
- v_1_1_b1
- v_1_1b2
- v_1_1b3
- v_1_1b5
- v_1_1b6
- v_1_1b7
- v_1_2beta3
kal0.txt
KAL is an Intel Pentium 4 clocked at 2.53 GHz running XP and Sun's JDK 1.4.1.
Results are in microseconds.
NullAppender:
NullAppender:
4.11 PatternLayout "%p - %m%n"
4.11 PatternLayout "%-5p - %m%n"
13.52 PatternLayout "%r [%t] %-5p %c{2} %x - %m%n"
11.02 PatternLayout "%r [%t] %-5p %.10c %x - %m%n"
11.72 PatternLayout "%r [%t] %-5p %.20c %x - %m%n"
10.01 PatternLayout "%r [%t] %-5p %c - %m%n"
18.53 PatternLayout "%d{ISO8601} [%t] %-5p %c %x - %m%n"
18.83 PatternLayout "%d{yyyy-MM-dd HH:mm:ss,SSS} [%t] %-5p %c %x - %m%n"
127.18 PatternLayout "%l - %m%n"
142.61 PatternLayout "%C.%M.%L - %m%n"
FileAppender:
10.82 PatternLayout "%p - %m%n"
11.82 PatternLayout "%-5p - %m%n"
20.53 PatternLayout "%r [%t] %-5p %c{2} %x - %m%n"
19.03 PatternLayout "%r [%t] %-5p %.10c %x - %m%n"
19.63 PatternLayout "%r [%t] %-5p %.20c %x - %m%n"
17.53 PatternLayout "%r [%t] %-5p %c - %m%n"
28.74 PatternLayout "%d{ISO8601} [%t] %-5p %c %x - %m%n"
29.14 PatternLayout "%d{yyyy-MM-dd HH:mm:ss,SSS} [%t] %-5p %c %x - %m%n"
162.13 PatternLayout "%l - %m%n"
198.69 PatternLayout "%C.%M.%L - %m%n"
FileAppender: (ImmediateFlush=false)
6.31 PatternLayout "%p - %m%n"
6.01 PatternLayout "%-5p - %m%n"
14.42 PatternLayout "%r [%t] %-5p %c{2} %x - %m%n"
14.22 PatternLayout "%r [%t] %-5p %.10c %x - %m%n"
14.42 PatternLayout "%r [%t] %-5p %.20c %x - %m%n"
13.02 PatternLayout "%r [%t] %-5p %c - %m%n"
23.13 PatternLayout "%d{ISO8601} [%t] %-5p %c %x - %m%n"
23.53 PatternLayout "%d{yyyy-MM-dd HH:mm:ss,SSS} [%t] %-5p %c %x - %m%n"
147.51 PatternLayout "%l - %m%n"
166.04 PatternLayout "%C.%M.%L - %m%n"
FileAppender: (BufferedIO=true)
5.81 PatternLayout "%p - %m%n"
5.81 PatternLayout "%-5p - %m%n"
14.12 PatternLayout "%r [%t] %-5p %c{2} %x - %m%n"
14.22 PatternLayout "%r [%t] %-5p %.10c %x - %m%n"
13.92 PatternLayout "%r [%t] %-5p %.20c %x - %m%n"
12.82 PatternLayout "%r [%t] %-5p %c - %m%n"
22.73 PatternLayout "%d{ISO8601} [%t] %-5p %c %x - %m%n"
23.23 PatternLayout "%d{yyyy-MM-dd HH:mm:ss,SSS} [%t] %-5p %c %x - %m%n"
149.73 PatternLayout "%l - %m%n"
164.46 PatternLayout "%C.%M.%L - %m%n"
Notice the small but noticable performance gain when
ImmediateFlush=false
Note also that BufferedIO yeilds similar performance to the
ImmediateFlush case.