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(cd ..; make CFLAGS="-O2 -gnatN")
On ot.xml (old testament):
3487163 bytes
number of opening tags: 15933
Old parser (no optimization)
./testsax ot.xml > /dev/null 78.62s user 2.31s system 99% cpu 1:21.11 total
Old parser (compiled with -O2 -gnatN)
./testsax ot.xml > /dev/null 62.49s user 2.53s system 98% cpu 1:06.03 total
Old parser (compiled with -O2 -gnatN, no "debug_reader")
./testsax ot.xml > /dev/null 29.99s user 0.19s system 96% cpu 31.174 total
New parser (no optimization)
./testsax2 ot.xml > /dev/null 70.33s user 2.61s system 98% cpu 1:13.75 total
./testsax2 ot.xml > /dev/null 69.94s user 2.77s system 96% cpu 1:15.09 total
New parser (compiled with -O2 -gnatN)
./testsax2 ot.xml > /dev/null 52.93s user 1.95s system 99% cpu 55.255 total
New parser (compiled with -O2 -gnatN, no "debug_reader")
./testsax2 ot.xml > /dev/null 15.69s user 0.18s system 100% cpu 15.851 total
06/06/2002 (1Ghz, Linux 2.2, laptop hardrive)
==========
XMLAda 0.7.1
same, with -O2 -gnatp -gnatN
./testsax ot.xml 12.57s user 0.98s system 73% cpu 18.473 total
Using GNAT.Spitbol for default attributes (no optimization)
./testsax ot.xml 19.07s user 0.93s system 97% cpu 20.462 total
./testsax -silent ot.xml 8.49s user 0.07s system 98% cpu 8.675 total
same, with -O2 -gnatN
./testsax ot.xml 14.48s user 0.80s system 98% cpu 15.464 total
./testsax -silent ot.xml 5.84s user 0.08s system 99% cpu 5.971 total
same, with -O2 -gnatN -gnatp
./testsax ot.xml 11.83s user 0.67s system 99% cpu 12.587 total
./testsax -silent ot.xml 4.13s user 0.05s system 97% cpu 4.270 total
Remove GNAT.Spitbol, replace by own table (no optimization)
with -gnatVaMI Initialize_Scalars
./testsax ot.xml 23.37s user 0.98s system 98% cpu 24.677 total
./testsax -silent ot.xml 12.08s user 0.07s system 98% cpu 12.299 total
same, with -O2 -gnatN -gnatVaMI Initialize_Scalars
./testsax ot.xml 16.68s user 0.82s system 98% cpu 17.718 total
./testsax -silent ot.xml 7.34s user 0.12s system 98% cpu 7.581 total
same, with -O2 -gnatN -gnatp -gnatVaMI Initialize_Scalars
./testsax ot.xml 11.43s user 0.95s system 98% cpu 12.589 total
./testsax -silent ot.xml 3.89s user 0.09s system 97% cpu 4.069 total
Replace function Unicode.Encode (returns String) with a procedure
with -gnatVaMI Initialize_Scalars
./testsax ot.xml 4.41s user 0.17s system 99% cpu 4.617 total
./testsax -silent ot.xml 3.74s user 0.08s system 97% cpu 3.913 total
same with -O2 -gnatN -gnatVaMI Initialize_Scalars
./testsax ot.xml 3.12s user 0.10s system 96% cpu 3.322 total
./testsax -silent ot.xml 2.35s user 0.08s system 99% cpu 2.452 total
same with -O2 -gnatN -gnatp -gnatVaMI Initialize_Scalars
./testsax ot.xml 2.24s user 0.07s system 99% cpu 2.314 total
./testsax -silent ot.xml 1.64s user 0.04s system 98% cpu 1.698 total
Merge subprograms Unicode.Read and Unicode.Width
with -gnatVaMI Initialize_Scalars
./testsax ot.xml 4.63s user 0.14s system 99% cpu 4.797 total
./testsax -silent ot.xml 3.87s user 0.05s system 97% cpu 4.017 total
same with -O2 -gnatN -gnatVaMI Initialize_Scalars
./testsax ot.xml 3.01s user 0.09s system 100% cpu 3.088 total
./testsax -silent ot.xml 2.36s user 0.05s system 98% cpu 2.439 total
same with -O2 -gnatN -gnatp -gnatVaMI Initialize_Scalars
./testsax ot.xml 2.21s user 0.08s system 99% cpu 2.299 tota
./testsax -silent ot.xml 1.56s user 0.05s system 99% cpu 1.611 total
same with -O2 -gnatN -gnatp
./testsax ot.xml 2.08s user 0.10s system 98% cpu 2.213 total
./testsax -silent ot.xml 1.42s user 0.08s system 98% cpu 1.526 total
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