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| author | Jarkko Hietaniemi <jhi@cc.hut.fi> | 1997-01-30 21:58:10 +0200 |
|---|---|---|
| committer | Chip Salzenberg <chip@atlantic.net> | 1997-02-04 17:47:00 +1200 |
| commit | f2c6908735e0c2f2afe8eb6d87788a1d29d32bfb (patch) | |
| tree | a763f4c374389c19e37ede04e77fbdbb6ef932e5 | |
| parent | 062dca251b623b6c7d3b729b1ee411d62a0ab399 (diff) | |
| download | perl-f2c6908735e0c2f2afe8eb6d87788a1d29d32bfb.tar.gz | |
hints/dec_osf.sh: polishing the comments
private-msgid: <199701301958.VAA08992@alpha.hut.fi>
| -rw-r--r-- | hints/dec_osf.sh | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/hints/dec_osf.sh b/hints/dec_osf.sh index efe2c8a65b..f0b380bf8c 100644 --- a/hints/dec_osf.sh +++ b/hints/dec_osf.sh @@ -22,8 +22,17 @@ # executable code simply do not agree any more while in # mid-execution, the optimiser only cares about the results. # -# Note: Configure will automatically -# add the often quoted -DDEBUGGING for you) +# Note 3: Configure will automatically add the often quoted +# -DDEBUGGING for you if the -g is specified. +# +# Note 4: There is even more optimisation available in the new +# (GEM) DEC cc: -O5 and -fast. "man cc" will tell more about them. +# The jury is still out whether either or neither help for Perl +# and how much. Based on very quick testing, -fast boosts +# raw data copy by about 5-15% (-fast brings in, among other +# things, inlined, ahem, fast memcpy()), while on the other +# hand searching things (index, m//, s///), seems to get slower. +# Your mileage will vary. # case "$optimize" in @@ -84,6 +93,15 @@ esac # # History: # +# perl5.003_24: +# +# 30-Jan-1997 Jarkko Hietaniemi <jhi@iki.fi> +# +# * Fixing the note on -DDEBUGGING. +# +# * Note on -O5 -fast. +# +# # perl5.003_23: # # 26-Jan-1997 Jarkko Hietaniemi <jhi@iki.fi> |