= Scaling =

== hybrid scaling on jugene ==

 * benchmark version: 1.0.0
 * IBM BG/P jugene
 * time needed for one time step, whereas it is computed by averaging the last 5 steps
 * used time output is provided in the stdout as '''t_all'''

=== data ===

 * number of particle: 100,000
 * input file: small.para

||mpi ranks||time [s]||speedup||speedup w.r.t. 1||
||1||39.95||1||1||
||2||20.86||1.92||1.92||
||4||10.8||3.7||3.7||
||8||5.64||7.08||7.08||
||16||3.07||13.02||13.02||
||32||1.76||22.67||22.67||
||64||1.07||37.3||37.3||
||128||0.7||56.74||56.74||
||256||0.56||71.58||71.58||

 * number of particle: 1,600,000
 * input file: medium.para

||mpi ranks||time [s]||speedup||speedup w.r.t. 1||
||16||61.9||1||16||
||32||32.1||1.93||30.85||
||64||16.41||3.77||60.35||
||128||8.72||7.1||113.58||
||256||4.72||13.11||209.83||
||512||2.67||23.19||371.08||
||1024||1.76||35.23||563.69||
||2048||1.51||40.94||655.03||

 * number of particle: 25,600,000
 * input file: large.para 

||mpi ranks||time [s]||speedup||speedup w.r.t. 1||
||256||91.41||1||256||
||512||46.97||1.95||498.21||
||1024||24.78||3.69||944.35||
||2048||13.61||6.72||1719.39||
||4096||8.63||10.59||2711.27||
||8192||7.94||11.51||2945.74||

 * number of particle: 102,400,000
 * input file: xlarge.para 

||mpi ranks||time [s]||speedup||speedup w.r.t. 1||
||2048||57.94||1||2048||
||4096||32.4||1.79||3662.38||
||8192||24.14||2.4||4915.54||

=== plot ===

[[Image(pepc-scaling.png, 800px)]] 

== timing of individual phases ==

=== data ===

||cores||trun ||t0_domains||t0_allocate||t0_build||t0_branches ||t0_fill||t0_properties||t0_walk||t0_walkc||t0_force||t0_restore||t0_deallocate||t0_all||ttot||Phase 1||Phase 2||Phase 3||Phase 4||
||256||1.70E-01||1.09E+00||2.70E-01||2.99E-01||2.74E-01||6.08E-01||8.07E-01||3.53E+01||9.57E+00||4.34E+01||2.08E-01||1.24E-03||9.14E+01||9.15E+01||1.57||1.99||78.66||4.34E+001||
||512||1.90E-01||7.66E-01||2.57E-01||2.00E-01||1.73E-01||4.06E-01||5.04E-01||1.75E+01||5.67E+00||2.15E+01||1.41E-01||5.29E-04||4.70E+01||4.71E+01||1.16||1.28||38.98||2.15E+001||
||1024||1.90E-01||3.83E-01||2.47E-01||1.59E-01||1.01E-01||3.79E-01||3.89E-01||8.71E+00||3.76E+00||1.08E+01||7.72E-02||6.59E-04||2.48E+01||2.49E+01||0.71||1.03||19.48||1.08E+001||
||2048||1.80E-01||2.57E-01||1.88E-01||1.36E-01||8.43E-02||4.78E-01||4.41E-01||4.42E+00||2.25E+00||5.38E+00||6.62E-02||3.17E-04||1.36E+01||2.05E+01||0.51||1.14||9.8||5.38E+000||
||4096||1.80E-01||3.29E-01||1.74E-01||1.23E-01||1.20E-01||8.22E-01||7.05E-01||2.27E+00||1.38E+00||2.71E+00||5.41E-02||5.55E-03||8.63E+00||1.95E+01||0.56||1.77||4.97||2.71E+000||
||8192||1.80E-01||6.05E-01||1.73E-01||1.18E-01||2.36E-01||1.48E+00||1.23E+00||1.16E+00||1.60E+00||1.34E+00||5.31E-02||3.20E-04||7.94E+00||2.74E+01||0.83||3.07||2.49||1.34E+000||


=== plot ===
[[Image(pepc-timing.png, 800px)]]