SSAPy orbital propagation

ssapy.leo.campaign

Input identity SHA-256: 7c6007fdf4048ca8ef1eead475b9a3d299971345a4eb65b33d2b36aeeb7358d4

Reference: ssapy.RK4Propagator v1.1.6 · Reference source

position, velocity = ssapy.rv(orbits, [0.0, steps*dt], propagator=ssapy.RK4Propagator(ssapy.AccelKepler(mu), h=dt)); concatenate(position[:, -1], velocity[:, -1])

1469.22 ms median

1 warm-up · 5 measured calls · perf_counter_ns

Raw reference samples (ns): 1473568750 · 1445420958 · 1517463209 · 1442609667 · 1469219250

Profile boundary: SSAPy fixed-step RK4 over independent orbits

1. _prop · 256 calls · 2.683 s cumulative
2. hstack · 264832 calls · 0.653 s cumulative
3. <built-in method numpy._core._multiarray_umath.c_einsum> · 264704 calls · 0.245 s cumulative
4. norm · 264704 calls · 0.616 s cumulative
5. fp · 264704 calls · 1.956 s cumulative

Darwin · Python 3.12.11 · astropy 8.0.1 · llnl-ssapy 1.1.6 · numpy 2.5.3 · raddle 0.3.0 · raddle-workload-ssapy 0.1.0 · scipy 1.18.1

Candidate history

1. 000accepted

   Source revision: sha256:db32682d5e90e1140626a7836da53ca30109000fe91e554cf8d2835397bce21a

   Source SHA-256: db32682d5e90e1140626a7836da53ca30109000fe91e554cf8d2835397bce21a

   Build: passed

   Validation: matched · max abs 5.871988832950592e-7 · max rel 5.196579079567572e-12 · ssapy.scaled_state.v1

   Benchmark median 30.10 ms · 48.64× vs reference · raw ns: 30362167 · 30085459 · 30884500 · 30096334 · 29023250

2. 001rejected

   Source revision: sha256:fa2bb337b1188beea1332c4abfcbbaf68539c6d9f8a7e2a9ad87b7fe57e6b26c

   Source SHA-256: fa2bb337b1188beea1332c4abfcbbaf68539c6d9f8a7e2a9ad87b7fe57e6b26c

   Build: passed

   Validation: matched · max abs 5.871988832950592e-7 · max rel 5.196579079567572e-12 · ssapy.scaled_state.v1

   Benchmark median 29.20 ms · 49.26× vs reference · raw ns: 29048500 · 29200959 · 29195416 · 28963417 · 29578375

   Valid, but only about 3.0% faster than incumbent; below the 5% materiality threshold.

3. 002accepted

   Source revision: sha256:c0c8581a295db035f83101dd25a23292408a80847529b7619c02f19f7af85671

   Source SHA-256: c0c8581a295db035f83101dd25a23292408a80847529b7619c02f19f7af85671

   Build: passed

   Validation: matched · max abs 7.338821887969971e-7 · max rel 4.1897471148975995e-12 · ssapy.scaled_state.v1

   Benchmark median 24.66 ms · 58.16× vs reference · raw ns: 25963000 · 24662250 · 25332625 · 24108542 · 24479542

4. 003rejected

   Source revision: sha256:d7aa72d4d0016c88e58601b27eeebb4a90a107e6e92ac5c0ad24003098939d0e

   Source SHA-256: d7aa72d4d0016c88e58601b27eeebb4a90a107e6e92ac5c0ad24003098939d0e

   Build: passed

   Validation: matched · max abs 7.338821887969971e-7 · max rel 4.1897471148975995e-12 · ssapy.scaled_state.v1

   Benchmark median 24.28 ms · 60.23× vs reference · raw ns: 24281666 · 24320541 · 23371667 · 23454625 · 24367166

   Valid, but only 1.57% faster than incumbent 002; below the 5% materiality threshold.