compare.py: sort the results #1168
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dmah42
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Jun 3, 2021
Currently, the tooling just keeps the whatever benchmark order that was present, and this is fine nowadays, but once the benchmarks will be optionally run interleaved, that will be rather suboptimal. So, now that i have introduced family index and per-family instance index, we can define an order for the benchmarks, and sort them accordingly. There is a caveat with aggregates, we assume that they are in-order, and hopefully we won't mess that order up..
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dmah42
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Jun 3, 2021
Currently, the tooling just keeps the whatever benchmark order that was present, and this is fine nowadays, but once the benchmarks will be optionally run interleaved, that will be rather suboptimal. So, now that i have introduced family index and per-family instance index, we can define an order for the benchmarks, and sort them accordingly. There is a caveat with aggregates, we assume that they are in-order, and hopefully we won't mess that order up..
LebedevRI
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…le#1051) Inspired by the original implementation by Hai Huang @haih-g from google#1105. The original implementation had design deficiencies that weren't really addressable without redesign, so it was reverted. In essence, the original implementation consisted of two separateable parts: * reducing the amount time each repetition is run for, and symmetrically increasing repetition count * running the repetitions in random order While it worked fine for the usual case, it broke down when user would specify repetitions (it would completely ignore that request), or specified per-repetition min time (while it would still adjust the repetition count, it would not adjust the per-repetition time, leading to much greater run times) Here, like i was originally suggesting in the original review, i'm separating the features, and only dealing with a single one - running repetitions in random order. Now that the runs/repetitions are no longer in-order, the tooling may wish to sort the output, and indeed `compare.py` has been updated to do that: google#1168.
LebedevRI
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Jun 3, 2021
…le#1051) Inspired by the original implementation by Hai Huang @haih-g from google#1105. The original implementation had design deficiencies that weren't really addressable without redesign, so it was reverted. In essence, the original implementation consisted of two separateable parts: * reducing the amount time each repetition is run for, and symmetrically increasing repetition count * running the repetitions in random order While it worked fine for the usual case, it broke down when user would specify repetitions (it would completely ignore that request), or specified per-repetition min time (while it would still adjust the repetition count, it would not adjust the per-repetition time, leading to much greater run times) Here, like i was originally suggesting in the original review, i'm separating the features, and only dealing with a single one - running repetitions in random order. Now that the runs/repetitions are no longer in-order, the tooling may wish to sort the output, and indeed `compare.py` has been updated to do that: google#1168.
LebedevRI
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… (#1163) Inspired by the original implementation by Hai Huang @haih-g from #1105. The original implementation had design deficiencies that weren't really addressable without redesign, so it was reverted. In essence, the original implementation consisted of two separateable parts: * reducing the amount time each repetition is run for, and symmetrically increasing repetition count * running the repetitions in random order While it worked fine for the usual case, it broke down when user would specify repetitions (it would completely ignore that request), or specified per-repetition min time (while it would still adjust the repetition count, it would not adjust the per-repetition time, leading to much greater run times) Here, like i was originally suggesting in the original review, i'm separating the features, and only dealing with a single one - running repetitions in random order. Now that the runs/repetitions are no longer in-order, the tooling may wish to sort the output, and indeed `compare.py` has been updated to do that: #1168.
vincenzopalazzo
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Feb 8, 2022
Currently, the tooling just keeps the whatever benchmark order that was present, and this is fine nowadays, but once the benchmarks will be optionally run interleaved, that will be rather suboptimal. So, now that i have introduced family index and per-family instance index, we can define an order for the benchmarks, and sort them accordingly. There is a caveat with aggregates, we assume that they are in-order, and hopefully we won't mess that order up..
vincenzopalazzo
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Feb 8, 2022
…le#1051) (google#1163) Inspired by the original implementation by Hai Huang @haih-g from google#1105. The original implementation had design deficiencies that weren't really addressable without redesign, so it was reverted. In essence, the original implementation consisted of two separateable parts: * reducing the amount time each repetition is run for, and symmetrically increasing repetition count * running the repetitions in random order While it worked fine for the usual case, it broke down when user would specify repetitions (it would completely ignore that request), or specified per-repetition min time (while it would still adjust the repetition count, it would not adjust the per-repetition time, leading to much greater run times) Here, like i was originally suggesting in the original review, i'm separating the features, and only dealing with a single one - running repetitions in random order. Now that the runs/repetitions are no longer in-order, the tooling may wish to sort the output, and indeed `compare.py` has been updated to do that: google#1168.
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Currently, the tooling just keeps the whatever benchmark order
that was present, and this is fine nowadays, but once the benchmarks
will be optionally run interleaved, that will be rather suboptimal.
So, now that i have introduced family index and per-family instance index,
we can define an order for the benchmarks, and sort them accordingly.
There is a caveat with aggregates, we assume that they are in-order,
and hopefully we won't mess that order up..