[gs-bugs] [Bug 692611] ps2pdf is 40 X slower in gs 9 than gs 8

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Wed Oct 19 22:25:01 UTC 2011


http://bugs.ghostscript.com/show_bug.cgi?id=692611

--- Comment #3 from William Bader <williambader at hotmail.com> 2011-10-19 22:24:58 UTC ---
Created an attachment (id=8023)
 --> (http://bugs.ghostscript.com/attachment.cgi?id=8023)
run-time profile

I attached a run-time profile of gs9.04 ps2pdf on the 220 MB PS file.
It seems to spend a lot of time doing garbage collection.
William

  %   cumulative   self              self     total
 time   seconds   seconds    calls  Ks/call  Ks/call  name
 17.86    510.23   510.23 93655313     0.00     0.00  ptr_string_unmark
 13.46    894.79   384.56 2658657675     0.00     0.00  chunk_locate_ptr
  8.65   1141.95   247.16 3717710611     0.00     0.00  ptr_string_mark
  5.68   1304.20   162.25    19331     0.00     0.00  gs_gc_reclaim
  5.56   1463.06   158.86 3722999802     0.00     0.00 
copied_glyph_name_enum_ptrs
  5.52   1620.90   157.84 4057150176     0.00     0.00  gc_string_mark
  4.44   1747.74   126.84 3722999802     0.00     0.00 
copied_glyph_element_enum_ptrs
  3.90   1859.16   111.43 2185736364     0.00     0.00  igc_reloc_string
  3.58   1961.35   102.19 2846294133     0.00     0.00  basic_enum_ptrs
  3.07   2049.19    87.84 973863000     0.00     0.00  basic_reloc_ptrs
  2.53   2121.60    72.41 2811505640     0.00     0.00  igc_reloc_struct_ptr
  2.32   2187.82    66.22 77344802     0.00     0.00  gc_locate

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