Merge pull request #60 from Kerollmops/improve-perfs

Improve performances
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Clément Renault 2019-01-01 17:03:41 +01:00 committed by GitHub
commit b2e9ae4136
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4 changed files with 18 additions and 3 deletions

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@ -29,21 +29,25 @@ rev = "c2eb140"
[dependencies.group-by]
git = "https://github.com/Kerollmops/group-by.git"
rev = "cab857b"
rev = "f1f5d8f"
[features]
default = ["simd"]
i128 = ["bincode/i128", "byteorder/i128"]
simd = ["rocksdb/sse"]
portable = ["rocksdb/portable"]
nightly = []
simd = ["rocksdb/sse"]
nightly = ["hashbrown/nightly", "group-by/nightly"]
[dev-dependencies]
csv = "1.0"
elapsed = "0.1"
jemallocator = "0.1"
quickcheck = "0.7"
rand = "0.6"
rand_xorshift = "0.1"
structopt = "0.2"
tempfile = "3.0"
termcolor = "1.0"
[profile.release]
debug = true

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@ -32,6 +32,11 @@ We made some tests on remote machines and found that we can handle with a datase
Network is mesured, servers are located in amsterdam and tests are made between two different datacenters.
### Notes
The default Rust allocator has recently been [changed to use the system allocator](https://github.com/rust-lang/rust/pull/51241/).
We have seen much better performances when [using jemalloc as the global allocator](https://github.com/alexcrichton/jemallocator#documentation).
## Usage and examples

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@ -1,3 +1,6 @@
#[global_allocator]
static ALLOC: jemallocator::Jemalloc = jemallocator::Jemalloc;
use std::path::{Path, PathBuf};
use std::error::Error;
use std::borrow::Cow;

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@ -1,3 +1,6 @@
#[global_allocator]
static ALLOC: jemallocator::Jemalloc = jemallocator::Jemalloc;
use std::collections::btree_map::{BTreeMap, Entry};
use std::iter::FromIterator;
use std::io::{self, Write};