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| author | Evan Shaw <chickencha@gmail.com> | 2010-04-20 20:39:36 -0700 |
|---|---|---|
| committer | Evan Shaw <chickencha@gmail.com> | 2010-04-20 20:39:36 -0700 |
| commit | 46914854ff711a1dd6f46ab7c62f78acade05a72 (patch) | |
| tree | 97187583895cbbfba584e51112fbea6541318de9 /src/cmd/6l/asm.c | |
| parent | c6746a7efa9025613f143569c338ebc5ffba7913 (diff) | |
| download | golang-46914854ff711a1dd6f46ab7c62f78acade05a72.tar.gz | |
big: Add Lsh and Value; convert pidigits to use big
This yields a pretty significant performance boost to pidigits and there are still some improvements to be made. Here are my numbers:
amd64 w/ bignum:
pidigits 10000
gcc -O2 pidigits.c -lgmp 2.10u 0.00s 2.10r
gc pidigits 22.92u 0.02s 22.97r
gc_B pidigits 22.62u 0.00s 22.65r
amd64 w/ big:
pidigits 10000
gcc -O2 pidigits.c -lgmp 2.09u 0.02s 2.11r
gc pidigits 12.68u 0.04s 12.72r
gc_B pidigits 12.71u 0.03s 12.75r
386 w/ bignum:
pidigits 10000
gcc -O2 pidigits.c -lgmp 2.09u 0.00s 2.09r
gc pidigits 44.30u 0.01s 44.35r
gc_B pidigits 44.29u 0.03s 44.35r
386 w/ big:
pidigits 10000
gcc -O2 pidigits.c -lgmp 2.10u 0.00s 2.10r
gc pidigits 22.70u 0.06s 22.79r
gc_B pidigits 22.80u 0.09s 22.91r
R=rsc, gri
CC=golang-dev
http://codereview.appspot.com/881050
Committer: Russ Cox <rsc@golang.org>
Diffstat (limited to 'src/cmd/6l/asm.c')
0 files changed, 0 insertions, 0 deletions