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build,win: re-enable ninja & multiple build optimizations #22698

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merged 3 commits into from
Sep 12, 2018

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@refack refack commented Sep 5, 2018

Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • commit message follows commit guidelines

@nodejs-github-bot nodejs-github-bot added build Issues and PRs related to build files or the CI. windows Issues and PRs related to the Windows platform. labels Sep 5, 2018
@refack refack changed the title build,win: multiple build optimizations build,win: re-enable ninja & multiple build optimizations Sep 5, 2018
vcbuild.bat Outdated Show resolved Hide resolved
@refack refack force-pushed the win-build-cleanup branch 2 times, most recently from a8638d0 to e705961 Compare September 5, 2018 00:37
@@ -269,23 +269,11 @@
'msvs_settings': {
'VCCLCompilerTool': {
'StringPooling': 'true', # pool string literals
'DebugInformationFormat': 3, # Generate a PDB
'DebugInformationFormat': 1, # /Z7 embed info in .obj files
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We currently publish the pdb, e.g. https://nodejs.org/dist/v10.9.0/win-x64/node_pdb.zip so this is semver-major?

cc @nodejs/platform-windows @nodejs/diagnostics

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@richardlau richardlau Sep 5, 2018

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See also

node/vcbuild.bat

Lines 372 to 378 in 4cea01a

echo Creating node_pdb.7z
del node_pdb.7z > nul 2> nul
7z a -mx9 -t7z node_pdb.7z node.pdb > nul
echo Creating node_pdb.zip
del node_pdb.zip > nul 2> nul
7z a -mx9 -tzip node_pdb.zip node.pdb > nul

which is only run on the CI for releases (not for regular PR's).

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Ohh. This generates a .pdb file but only a single one during linking.

vcbuild.bat Outdated
set "msbcpu=/m:2"
if "%NUMBER_OF_PROCESSORS%"=="1" set "msbcpu=/m:1"
set "msbcpu=/maxcpucount"
if defined NUMBER_OF_PROCESSORS set "msbcpu=%msbcpu%:%NUMBER_OF_PROCESSORS%"
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This will exhaust the memory available in some machines (including our CI). Ref 6cfedf0 and #12184 (comment) . I tested this extensively when I made this change, to find the best combination that uses a reasonable number of threads, and this was the best. CL will use one thread for each processor, but since some of our projects are quite small this helps a lot. If we did it the other way around, not limiting here and limiting in CL, V8 would keep compiling long after everything else finished.

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On my 4 CPU box this does not affect compilation time.

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I'll continue testing this, but meanwhile I'll remove this from this PR.

node.gyp Outdated

# - "C4244: conversion from 'type1' to 'type2', possible loss of data"
# Ususaly safe. Disable for `dep`, enable for `src`
'msvs_disabled_warnings!': [4244],
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I didn't test yet, but this looks quite nice. Is it possible to simply set a much lower warning level for deps?

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I've been thinking about that, the problem is common.gypi is used by node-gyp so I didn't want to make a big change without further testing.

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This was needed in L482 as well

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I didn't test yet, but this looks quite nice.

output is filled with:

d:\code\node\src\node_internals.h(321): warning C4244: 'argument': conversion from 'const uint64_t' to 'const NativeT', possible loss of data

@refack refack force-pushed the win-build-cleanup branch 2 times, most recently from 209a88a to 84bed12 Compare September 5, 2018 13:45
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refack commented Sep 5, 2018

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Could you describe this a bit more? Why are these required to re-enable ninja builds?

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refack commented Sep 6, 2018

Could you describe this a bit more? Why are these required to re-enable ninja builds?

  1. 'DebugInformationFormat': 1, # /Z7 embed info in .obj files
    That's to enable clcache (https://github.com/frerich/clcache#how-clcache-works)
  2. Merging the msvs_disabled_warnings, and adding 4244 to all targets, except node and
    node_lib
  3. removing the \lib\ prefix from /WHOLEARCHIVE:<(PRODUCT_DIR)\\lib\\:
    1. It's unnecessary, WHOLEARCHIVE just needs the name of the library, not it's full path
    2. when building with ninja (instead of MSBuild) the libraries are outputted to: <(PRODUCT_DIR)\\obj\\, so having a wrong full path breaks linking.

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This looks mostly good. @refack just two notes about the commit messages:

  • build,win: enable clcache: can you reword this to describe what it actually does? Something like build,win: generate a single PDB at link time and then mention clcache in the description.
  • build,win: unify warning exclusion: Focusing on the removed warning makes more sense to me here, something like: build,win: remove C4244 only for deps.

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refack commented Sep 11, 2018

https://ci.nodejs.org/job/node-test-commit-windows-fanned/20664/

@joaocgreis updated messages
@nodejs/platform-windows @nodejs/build-files PTAL

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Looks great, thanks @refack!

@BridgeAR BridgeAR added the author ready PRs that have at least one approval, no pending requests for changes, and a CI started. label Sep 11, 2018
* Fixes ninja build

PR-URL: nodejs#22698
Reviewed-By: João Reis <[email protected]>
* previusly set to generate a .pdb file for each .obj file
* enables clcache

PR-URL: nodejs#22698
Reviewed-By: João Reis <[email protected]>
* also unify warning exclusion directive

PR-URL: nodejs#22698
Reviewed-By: João Reis <[email protected]>
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refack commented Sep 11, 2018

landed in
e85007f
7a10b86
54e76fb

@refack refack merged commit 54e76fb into nodejs:master Sep 12, 2018
@refack refack deleted the win-build-cleanup branch September 12, 2018 00:01
targos pushed a commit that referenced this pull request Sep 12, 2018
* Fixes ninja build

PR-URL: #22698
Reviewed-By: João Reis <[email protected]>
targos pushed a commit that referenced this pull request Sep 12, 2018
* previusly set to generate a .pdb file for each .obj file
* enables clcache

PR-URL: #22698
Reviewed-By: João Reis <[email protected]>
targos pushed a commit that referenced this pull request Sep 12, 2018
* also unify warning exclusion directive

PR-URL: #22698
Reviewed-By: João Reis <[email protected]>
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7 participants