Test lwjgl MemoryAccess

[Neiko2002]

lwjgl has some native memory access. If it is providing similar performance it could be a good replacement for unsafe.
https://javadoc.lwjgl.org/org/lwjgl/system/jemalloc/JEmalloc.html
https://github.com/LWJGL/lwjgl3/blob/master/modules/core/src/main/java/org/lwjgl/system/MemoryAccess.java

Usage:
https://github.com/LWJGL/lwjgl3/blob/master/modules/core/src/test/java/org/lwjgl/demo/util/lmdb/LMDBDemo.java

Other
http://www.java-gaming.org/index.php?topic=36524.0
http://hardcodejavadog.blogspot.de/2015/02/comparing-java-off-heap-memory.html

LWJGL will make a module out of its jemalloc lib
LWJGL/lwjgl3#100
https://www.lwjgl.org/download -> nightly

Repo
https://oss.sonatype.org/content/repositories/snapshots/org/lwjgl/lwjgl-jemalloc/

project.ext.lwjglVersion = "3.0.1-SNAPSHOT"
project.ext.lwjglNatives = "natives-windows"

repositories {
    maven { url "https://oss.sonatype.org/content/repositories/snapshots/" }
}

dependencies {
    compile "org.lwjgl:lwjgl-jemalloc:${lwjglVersion}"
    runtime "org.lwjgl:lwjgl-jemalloc:${lwjglVersion}:${lwjglNatives}"
}

[Neiko2002]

There is also ByteBuf from netty.

[Neiko2002]

And one-nio's FixedSizeAllocator, which can be used per class definition.