RFR: 8349638: Build libjdwp with SIZE optimization

Matthias Baesken mbaesken at openjdk.org
Wed Feb 12 09:02:15 UTC 2025


On Tue, 11 Feb 2025 15:56:39 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

> The libjdwp is currently built with LOW optimization level, it could be built with SIZE optimization to lower the lib size by ~ 10 % on UNIX. On Windows LOW and SIZE currently translate to the same O1 optimization flag so no difference there.
> 
> On Linux x86_64 for example the lib shrinks from 300K to 268K and the debuginfo file shrinks from 1.9M to 1.7M .
> 

This is what I get with HIGH ,  on Linux x86_64 (gcc 11.3 used)

du -sh images/jdk/lib/libjdwp.*
2.0M	images/jdk/lib/libjdwp.debuginfo
316K	images/jdk/lib/libjdwp.so

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PR Comment: https://git.openjdk.org/jdk/pull/23563#issuecomment-2653045377


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