Gentoo patch - optional RPATH setting #1
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epsilon-0
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Also fixes a small typo which causes the |
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Thanks for the pull request. Any particular reason why LD_LIBRARY_PATH can't be used in this case? |
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There are a lot of users on the cluster. |
dzambare
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Aug 28, 2021
- x7, x8: Used to store address for Alpha and Beta. As Alpha & Beta was not used in k-loops, use x0, x1 to load Alpha & Beta's addresses after k-loops are completed, since A & B's addresses are no longer needed there. This "ldr [addr]; -> ldr val, [addr]" would not cause much performance drawback since it is done outside k-loops and there are plenty of instructions between Alpha & Beta's loading and usage. - x9: Used to store cs_c. x9 is multiplied by 8 into x10 and not used any longer. Directly loading cs_c and into x10 and scale by 8 spares x9 straightforwardly. - x11, x12: Not used at all. Simply remove from clobber list. - x13: Alike x9, loaded and scaled by 8 into x14, except that x13 is also used in a conditional branch so that "cmp x13, #1" needs to be modified into "cmp x14, #8" to completely free x13. - x3, x4: Used to store next_a & next_b. Untouched in k-loops. Load these addresses into x0 and x1 after Alpha & Beta are both loaded, since then neigher address of A/B nor address of Alpha/Beta is needed.
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This makes
RPATHsetting optional as the location of libraries is not fixed and can be moved around.It should have no effect on normal installation but is useful in many cases
Thanks,
Aisha