https://sourceware.org/bugzilla/show_bug.cgi?id=24165
Bug ID: 24165
Summary: fivefold time and memory usage since commit 3ae729d5
on large files generated by lto
Product: binutils
Version: 2.33 (HEAD)
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: gas
Assignee: unassigned at sourceware dot org
Reporter: belyshev at depni dot sinp.msu.ru
Target Milestone: ---
Since fix for bug 22874, commit 3ae729d5, gas time and memory usage increased 5
times on very large files generated by lto.
Before:
gas/as-new: total time in assembly: 215.922071
frag chains:
0x1a78d60 .text 1143697 frags
0x1a78df8 .data 748 frags
0x1a78e90 .bss 5393 frags
0x1a79518 .bss 4466 frags
0x1a79188 .rodata 50145 frags
0x1a79220 .rodata.str1.1 152 frags
0x1a792b8 .text.unlikely 1429 frags
0x1a79350 .rodata.str1.8 14809 frags
0x1a793e8 .text.startup 789 frags
0x1a79480 .init_array 3 frags
0x1a795b0 .rodata.cst8 27 frags
0x1a79648 .rodata.cst16 109 frags
0x1a796e0 .rodata.cst4 7 frags
0x1a79778 .comment 2 frags
0x1a79810 .note.GNU-stack 2 frags
0x1a798a8 .eh_frame 103243 frags
fixups: 1254022
637223 mini local symbols created, 446255 converted
Maximum resident set size (kbytes): 896072
After:
gas/as-new: total time in assembly: 1025.439759
frag chains:
0x992d60 .text 12155234 frags
0x992df8 .data 748 frags
0x992e90 .bss 5393 frags
0x993518 .bss 4466 frags
0x993188 .rodata 50145 frags
0x993220 .rodata.str1.1 152 frags
0x9932b8 .text.unlikely 38334 frags
0x993350 .rodata.str1.8 14809 frags
0x9933e8 .text.startup 15250 frags
0x993480 .init_array 3 frags
0x9935b0 .rodata.cst8 27 frags
0x993648 .rodata.cst16 109 frags
0x9936e0 .rodata.cst4 7 frags
0x993778 .comment 2 frags
0x993810 .note.GNU-stack 2 frags
0x9938a8 .eh_frame 102827 frags
fixups: 1254022
Maximum resident set size (kbytes): 3831980
(source is a 150 MB .s file generated by lto final link for cc1plus, 11MB
compressed -- did not fit the attachment limit)
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