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Open-source graph database, built for real-time streaming data, compatible with Neo4j.
1,151 Commits 247 Branches 35 Tags 62 MiB
C++ 70.6%
Python 14.1%
Gherkin 6.7%
Shell 2.9%
Common Lisp 1.5%
Other 4.2%
6cd63e8ac9
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florijan 6cd63e8ac9 Expansion benchmark added 
Summary:
It's purpose is to illustrate that currently expansion from a single node (with a fixed degree) does not execute in consistent time, but the execution time depends on the rest of the graph (that's disconnected). Current benchmark results:

```
florijan@florxps:~/Memgraph/memgraph/build$ ./tests/benchmark/expansion
Run on (8 X 3500 MHz CPU s)
2017-08-17 16:06:30
***WARNING*** CPU scaling is enabled, the benchmark real time measurements may be noisy and will incur extra overhead.
***WARNING*** Library was built as DEBUG. Timings may be affected.
Benchmark                                   Time           CPU Iterations
-------------------------------------------------------------------------
ExpansionBenchFixture/Match/1               0 ms          0 ms       4903
ExpansionBenchFixture/Match/1024            0 ms          0 ms       4785
ExpansionBenchFixture/Match/1024k           0 ms          0 ms       4623
ExpansionBenchFixture/Expand/1              9 ms          9 ms         83
ExpansionBenchFixture/Expand/1024          20 ms         20 ms         41
ExpansionBenchFixture/Expand/1024k       3430 ms       3430 ms          1
```

Reviewers: mislav.bradac, buda

Reviewed By: mislav.bradac

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D676
2017-08-23 09:10:26 +02:00
cmake Make GNU Readline dependency optional 2017-03-24 12:42:45 +01:00
config Added continuous_integration script to stress tests. 2017-08-02 12:06:59 +02:00
docs Rand() function added 2017-08-22 15:18:41 +02:00
experimental Make Distributed Singleton (and remove unused code) 2017-08-22 17:14:54 +02:00
libs Use our version of cppitertools 2017-08-17 14:38:11 +02:00
poc utils::auto_scope refactor 2017-08-11 09:43:10 +02:00
release Release preparation. 2017-06-16 15:16:11 +02:00
src Expansion benchmark added 2017-08-23 09:10:26 +02:00
tests Expansion benchmark added 2017-08-23 09:10:26 +02:00
tools Improve pointer handling in operator_tree gdb plugin 2017-08-22 10:13:49 +02:00
.arcconfig Set arc.land.onto.default to dev 2017-03-03 13:33:45 +01:00
.clang-format Query - LogicalOp - visitable bug fix 2017-03-22 14:14:01 +01:00
.gdbinit Add pretty printer to gdb for TypedValue 2017-08-16 11:32:25 +02:00
.gitignore Removed Double Locking, Simplified Ownership or LocalEventStream, .... 2017-08-04 17:58:22 +02:00
.ycm_extra_conf.py Adding callback by type (Work in Progress) 2017-08-08 15:56:49 +02:00
CHANGELOG.md Rand() function added 2017-08-22 15:18:41 +02:00
CMakeLists.txt Store paths to glog include and library in CMakeLists 2017-08-16 11:32:52 +02:00
coverage Silence ctest when running for coverage 2017-06-13 11:54:43 +02:00
Doxyfile Enable AUTOBRIEF for doxygen 2017-06-02 08:59:49 +02:00
Doxylogo.png Doxygen setup 2016-12-20 15:49:52 +01:00
format Migrate command line args to gflgs in tests 2017-07-06 13:54:12 +02:00
init Added continuous_integration script to stress tests. 2017-08-02 12:06:59 +02:00
install_neo NeoRunner + Harness bugfix 2017-07-29 17:46:24 +02:00
llvm-gcov memgraph coverage (lcov setup in progress...) 2017-03-07 18:27:03 +01:00
README.md Migrate command line args to gflgs in tests 2017-07-06 13:54:12 +02:00

README.md

memgraph

Memgraph is an ACID compliant high performance transactional distributed in-memory graph database featuring runtime native query compiling, lock free data structures, multi-version concurrency control and asynchronous IO.

dependencies

Memgraph can be compiled using any modern c++ compiler. It mostly relies on the standard template library, however, some things do require external libraries.

Some code contains linux-specific libraries and the build is only supported on a 64 bit linux kernel.

  • linux
  • clang 3.8 (good c++11 support, especially lock free atomics)
  • antlr (compiler frontend)
  • cppitertools
  • fmt format
  • google benchmark
  • google test
  • glog
  • gflags