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On Mon, Jun 4, 2012 at 4:39 PM, Nikos Chantziaras <realnc@×××××.com> wrote: |
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> |
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>> Did you use gold or the standard linker? |
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> |
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> |
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> The standard one. I didn't actually think about the importance of this. |
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> Does gold work better with LTO? |
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I don't know much about it, but AFAIK gold is supposed to be several |
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times faster at linking in general, and when using it in combination |
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with gcc+LTO the compiler actually offloads some of the LTO processing |
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to the linker which is supposed to be more efficient. |
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I've never tried it personally, but I just googled and found this |
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mentioned on the GCC site: |
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"As an added feature, LTO will take advantage of the plugin feature in |
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gold. This allows the compiler to pick up object files that may have |
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been stored in library archives. To use this feature, you must be |
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using gold as the linker and enable the use of the plugin by compiling |
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with gcc -fuse-linker-plugin. This will shift the responsibility of |
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driving the final stages of compilation from collect2 to gold via the |
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linker plugin." |
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|
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And in gentoo you can switch to gold as explained on the wiki: |
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https://wiki.gentoo.org/wiki/Gold |
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