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Remove Subscription Wrapper from Observable.subscribe

Performance increase from 7.7m to 8.8m ops/second

Before:

Benchmark (size) Mode Samples Mean Mean error Units
r.u.PerfTransforms.mapTransformation 1 thrpt 5 7714453.187 362218.633 ops/s
r.u.PerfTransforms.mapTransformation 1 thrpt 5 7527144.767 497816.471 ops/s

After:

Benchmark (size) Mode Samples Mean Mean error Units
r.u.PerfTransforms.mapTransformation 1 thrpt 5 8853534.333 183494.242 ops/s
r.u.PerfTransforms.mapTransformation 1 thrpt 5 8806958.403 452595.219 ops/s

Test can be run using:

../gradlew benchmarks '-Pjmh=-f 1 -tu s -bm thrpt -wi 5 -i 5 -r 5 -prof GC .*PerfTransforms.mapTransformation*'

Performance increase from 7.7m to 8.8m ops/second

Before:

Benchmark                              (size)   Mode   Samples         Mean   Mean error    Units
r.u.PerfTransforms.mapTransformation        1  thrpt         5  7714453.187   362218.633    ops/s
r.u.PerfTransforms.mapTransformation        1  thrpt         5  7527144.767   497816.471    ops/s

After:

Benchmark                              (size)   Mode   Samples         Mean   Mean error    Units
r.u.PerfTransforms.mapTransformation        1  thrpt         5  8853534.333   183494.242    ops/s
r.u.PerfTransforms.mapTransformation        1  thrpt         5  8806958.403   452595.219    ops/s
benjchristensen added a commit that referenced this pull request May 22, 2014
Remove Subscription Wrapper from Observable.subscribe
@benjchristensen benjchristensen merged commit a2f4782 into ReactiveX:master May 22, 2014
@benjchristensen benjchristensen deleted the perf branch May 22, 2014 04:25
@benjchristensen benjchristensen mentioned this pull request Jun 1, 2014
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