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Windows performance #3453

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stefantalpalaru opened this issue Mar 2, 2022 · 1 comment
Closed

Windows performance #3453

stefantalpalaru opened this issue Mar 2, 2022 · 1 comment

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@stefantalpalaru
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Using the stop-at-synced-epoch branch that adds the option with the same name, I did a rough benchmark of initial syncing speed on mainnet for a regular build running on Linux native and Windows inside VirtualBox:

rm -rf build/data/shared_mainnet_0; time ./run-mainnet-beacon-node.sh --web3-url="wss:https://mainnet.infura.io/ws/v3/API_TOKEN" --metrics --metrics-port=8008 --enr-auto-update --doppelganger-detection=off --num-threads=0 --stop-at-synced-epoch=100

# Linux:
real	1m31.121s
real	1m32.052s
real	1m38.146s

# Windows:
real    3m3.902s
real    3m2.620s
real    3m4.550s

I'm already excluding the Windows folder from Defender and VirtualBox is using hardware acceleration, KVM paravirtualisation and host I/O cache to minimise overhead.

The two main things we lack on Windows are lightweight backtraces and LTO.
@stefantalpalaru
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The effect of disabling stack traces on Windows:

real    1m51.754s
real    1m52.227s
real    1m53.606s

stefantalpalaru added a commit that referenced this issue Mar 4, 2022
@stefantalpalaru
Windows: give up stack traces for 40% better performance
2fd5fb7 
See: #3453

TODO: make libbacktrace/libunwind work in MSYS2, to get those stack traces back.
@stefantalpalaru stefantalpalaru mentioned this issue Mar 4, 2022
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stefantalpalaru added a commit that referenced this issue Mar 5, 2022
@stefantalpalaru
Windows: give up stack traces for 40% better performance
869d7eb 
See: #3453

TODO: make libbacktrace/libunwind work in MSYS2, to get those stack traces back.
zah pushed a commit that referenced this issue Mar 5, 2022
@stefantalpalaru
Windows: give up stack traces for 40% better performance (#3466)
a130ce1 
See: #3453

TODO: make libbacktrace/libunwind work in MSYS2, to get those stack traces back.
@mratsim mratsim mentioned this issue Mar 9, 2022
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@stefantalpalaru @arnetheduck