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Large Page Support for Code Issue: 16198

Rodrigo Muino Tomonari requested to merge github/fork/suresh-srinivas/intel-large-pages into master

Support under Linux to map the text segment of node into 2M pages. Fixes: https://github.com/nodejs/node/issues/16198 src: node.cc,node_large_page.cc,node_large_page.h build: node.gyp,node.gypi,ld.implicit.script config: configure

How to enable ./configure --use-largepages

Performance Results

Node Microbenchmarks (under node/benchmarks) total tests | 5444 total 3 stars | 589 with 82% of tests showing positive gains and 18% have low single digit regression.

Node Larger Application

Web Tooling - 2% Node-DC-EIS - 3% - 5% Ghost - 2% - 3% Node-Todo - 20% React-SSR - 2.5%

Caveats

  • Tested under Ubuntu 16.04 only
  • Original PR had 3 tests failing. The latest updated PR has no tests failing.
  • Short running programs will see slowdown due to additional code (~450k x86 instructions) during startup
Checklist
  • make -j4 test (UNIX), passes
  • tests and/or benchmarks are included (details above)
  • Code follows Node C++ Style Guide
  • commit message follows commit guidelines

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