On 29/10/20 12:50 am, Marcus Weseloh wrote:
Hi,
Am Mi., 28. Okt. 2020 um 13:10 Uhr schrieb Ceresa Jean-Jacques
<jean-jacques.cer...@orange.fr>:
Now we should try the suggested test to run 2 fluidsynth console applications
(a1, a2) at the same time (not sequencially) and measure the total time.
That's a really good idea to quickly test if parallel loading has
merit. A quick test on my machine (i5-3210M CPU @ 2.50GHz × 4) and the
MuseScore_General.sf3 (ca. 40MB) Soundfont on SSD with the following
test script:
Here are my results for on a 6 core i7-3930K (8 years old) on SSD, with
one of the SF3 files from my application. Almost no change until we have
used up all the cores.
time ./bench.sh 1
real 0m3.505s
user 0m3.287s
sys 0m0.116s
time ./bench.sh 2
real 0m3.537s
user 0m6.604s
sys 0m0.256s
time ./bench.sh 3
real 0m3.629s
user 0m10.148s
sys 0m0.408s
time ./bench.sh 4
real 0m3.716s
user 0m13.936s
sys 0m0.477s
time ./bench.sh 5
real 0m3.784s
user 0m17.682s
sys 0m0.652s
time ./bench.sh 6
real 0m3.890s
user 0m21.438s
sys 0m0.819s
time ./bench.sh 7
real 0m5.066s
user 0m27.390s
sys 0m0.994s
Now if I make two copies of this file and load both, in series
real 0m6.870s
user 0m6.566s
sys 0m0.200s
in parallel:
real 0m3.597s
user 0m6.727s
sys 0m0.240s
Hamish
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