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MarcoFalke a5224be645
Merge #17292: Add new mempool benchmarks for a complex pool 
b0c774b48a Add new mempool benchmarks for a complex pool (Jeremy Rubin)

Pull request description:

  This PR is related to #17268.

  It adds a mempool stress test which makes a really big complicated tx graph, and then, similar to mempool_eviction test, trims the size.

  The test setup is to make 100 original transactions with Rand(10)+2 outputs each.

  Then, 800 times:

  we create a new transaction with Rand(10) + 1 parents that are randomly sampled from all existing transactions (with unspent outputs). From each such parent, we then select Rand(remaining outputs) +1 50% of the time, or 1 outputs 50% of the time.

  Then, we trim the size to 3/4. Then we trim it to just a single transaction.

  This creates, hopefully, a big bundle of transactions with lots of complex structure, that should really put a strain on the mempool graph algorithms.

  This ends up testing both the descendant and ancestor tracking.

  I don't love that the test is "unstable". That is, in order to compare this test to another, you really can't modify any of the internal state because it will have a different order of invocations of the deterministic randomness. However, it certainly suffices for comparing branches.

Top commit has no ACKs.

Tree-SHA512: cabe96b849b9885878e20eec558915e921d49e6ed1e4b011b22ca191b4c99aa28930a8b963784c9adf78cc8b034a655513f7a0da865e280a1214ae15ebb1d574
2019-11-01 18:08:41 -04:00
.github github: Add warning for bug reports 2019-10-15 08:53:42 +02:00
.tx gui: Update transifex slug for 0.19 2019-09-02 13:40:01 +02:00
build-aux/m4 build: Installed Qt version only appears if being built 2019-09-30 19:03:16 -04:00
build_msvc doc: update MSVC instructions to remove Qt configuration 2019-11-01 15:25:52 -04:00
ci build: update retry to current version 2019-10-30 18:49:57 -04:00
contrib Merge #17308: nsis: Write to correct filename in first place 2019-10-31 13:23:47 +01:00
depends Merge #17165: Remove BIP70 support 2019-10-26 11:35:45 +02:00
doc doc: compiling with Visual Studio is now supported on Windows 2019-11-01 15:25:52 -04:00
share nsis: Write to correct filename in first place 2019-10-29 15:12:52 -04:00
src Merge #17292: Add new mempool benchmarks for a complex pool 2019-11-01 18:08:41 -04:00
test Merge #15888: QA: Add wallet_implicitsegwit to test the ability to transform keys between address types 2019-11-01 13:24:50 -04:00
.appveyor.yml Added libbitcoin_qt and bitcoin-qt to the msbuild configuration. 2019-09-08 14:13:05 +02:00
.cirrus.yml test: Make PORT_MIN in test runner configurable 2019-09-19 12:03:40 -04:00
.gitattributes Separate protocol versioning from clientversion 2014-10-29 00:24:40 -04:00
.gitignore Merge #16371: build: ignore macOS make deploy artefacts & add them to clean-local 2019-08-21 08:02:20 +08:00
.python-version .python-version: Specify full version 3.5.6 2019-03-02 12:06:26 -05:00
.style.yapf test: .style.yapf: Set column_limit=160 2019-03-04 18:28:13 -05:00
.travis.yml Remove BIP70 Support 2019-10-24 16:01:43 -04:00
autogen.sh Added double quotes 2019-10-07 17:02:46 -04:00
configure.ac build: remove EVP_MD_CTX_new detection 2019-10-24 16:01:43 -04:00
CONTRIBUTING.md doc: Added instructions for how to add an upsteam to forked repo 2019-10-20 11:47:42 +01:00
COPYING [Trivial] Update license year range to 2019 2018-12-31 04:27:59 +01:00
INSTALL.md Update INSTALL landing redirection notice for build instructions. 2016-10-06 12:27:23 +13:00
libbitcoinconsensus.pc.in Unify package name to as few places as possible without major changes 2015-12-14 02:11:10 +00:00
Makefile.am Merge #17091: tests: Add test for loadblock option and linearize scripts 2019-10-23 11:21:46 +02:00
README.md Squashed 'src/univalue/' changes from 7890db99d6..5a58a46671 2019-10-30 16:22:42 -04:00
SECURITY.md doc: Remove explicit mention of version from SECURITY.md 2019-06-14 06:39:17 -04:00

README.md

Bitcoin Core integration/staging tree

https://bitcoincore.org

What is Bitcoin?

Bitcoin is an experimental digital currency that enables instant payments to anyone, anywhere in the world. Bitcoin uses peer-to-peer technology to operate with no central authority: managing transactions and issuing money are carried out collectively by the network. Bitcoin Core is the name of open source software which enables the use of this currency.

For more information, as well as an immediately useable, binary version of the Bitcoin Core software, see https://bitcoincore.org/en/download/, or read the original whitepaper.

License

Bitcoin Core is released under the terms of the MIT license. See COPYING for more information or see https://opensource.org/licenses/MIT.

Development Process

The master branch is regularly built and tested, but is not guaranteed to be completely stable. Tags are created regularly to indicate new official, stable release versions of Bitcoin Core.

The contribution workflow is described in CONTRIBUTING.md and useful hints for developers can be found in doc/developer-notes.md.

Testing

Testing and code review is the bottleneck for development; we get more pull requests than we can review and test on short notice. Please be patient and help out by testing other people's pull requests, and remember this is a security-critical project where any mistake might cost people lots of money.

Automated Testing

Developers are strongly encouraged to write unit tests for new code, and to submit new unit tests for old code. Unit tests can be compiled and run (assuming they weren't disabled in configure) with: make check. Further details on running and extending unit tests can be found in /src/test/README.md.

There are also regression and integration tests, written in Python, that are run automatically on the build server. These tests can be run (if the test dependencies are installed) with: test/functional/test_runner.py

The Travis CI system makes sure that every pull request is built for Windows, Linux, and macOS, and that unit/sanity tests are run automatically.

Manual Quality Assurance (QA) Testing

Changes should be tested by somebody other than the developer who wrote the code. This is especially important for large or high-risk changes. It is useful to add a test plan to the pull request description if testing the changes is not straightforward.

Translations

Changes to translations as well as new translations can be submitted to Bitcoin Core's Transifex page.

Translations are periodically pulled from Transifex and merged into the git repository. See the translation process for details on how this works.

Important: We do not accept translation changes as GitHub pull requests because the next pull from Transifex would automatically overwrite them again.

Translators should also subscribe to the mailing list.