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Merged
tigrannajaryan merged 1 commit into from
Dec 11, 2025
Merged

Format and reorder otel.stef content by signal #290

tigrannajaryan merged 1 commit into from
Dec 11, 2025

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@tigrannajaryan tigrannajaryan commented Dec 11, 2025

This is just a formatting change, the content is logically equivalent.

@tigrannajaryan
Format and reorder otel.stef content by signal
c2252d2 
This is just a formatting change, the content is logically equivalent.
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github-actions bot commented Dec 11, 2025

Benchmark Result

Benchmark diff with base branch 
goos: linux
goarch: amd64
pkg: github.com/splunk/stef/benchmarks
cpu: AMD EPYC 7763 64-Core Processor                
                                                 │ bench-main.txt │           bench-new.txt            │
                                                 │     sec/op     │    sec/op     vs base              │
SerializeNative/STEF/serialize-4                     8.620m ± 13%   9.331m ±  6%       ~ (p=0.240 n=6)
SerializeNative/STEFU/serialize-4                    35.10m ±  6%   35.40m ±  2%       ~ (p=0.093 n=6)
DeserializeNative/STEF/deser-4                       2.424m ±  1%   2.431m ±  1%       ~ (p=0.818 n=6)
DeserializeNative/STEFU/deser-4                      7.206m ±  0%   7.190m ±  1%       ~ (p=0.310 n=6)
SerializeFromPdata/STEF/serialize-4                  139.5m ±  3%   140.8m ±  1%       ~ (p=0.240 n=6)
SerializeFromPdata/STEFU/serialize-4                 35.33m ±  1%   35.59m ±  1%       ~ (p=0.093 n=6)
DeserializeToPdata/STEF/deserialize-4                46.46m ±  2%   47.41m ±  3%  +2.04% (p=0.041 n=6)
DeserializeToPdata/STEFU/deserialize-4               64.26m ±  2%   64.09m ±  1%       ~ (p=0.818 n=6)
STEFReaderRead-4                                     2.480m ±  2%   2.499m ±  1%       ~ (p=0.132 n=6)
STEFSerializeMultipart/astronomy-otelmetrics-4        3.379 ± 22%    3.482 ± 25%       ~ (p=0.589 n=6)
STEFDeserializeMultipart/astronomy-otelmetrics-4     73.73m ± 12%   78.90m ± 11%       ~ (p=0.485 n=6)
ReadSTEF-4                                           2.577m ±  4%   2.585m ±  2%       ~ (p=0.937 n=6)
ReadSTEFZ-4                                          3.346m ±  2%   3.396m ±  5%  +1.49% (p=0.026 n=6)
ReadSTEFZWriteSTEF-4                                 8.002m ±  2%   7.732m ±  1%  -3.38% (p=0.002 n=6)
geomean                                              21.03m         21.35m        +1.53%

                                                 │ bench-main.txt │            bench-new.txt            │
                                                 │   sec/point    │   sec/point    vs base              │
SerializeNative/STEF/serialize-4                     128.9n ± 13%    139.6n ±  6%       ~ (p=0.240 n=6)
SerializeNative/STEFU/serialize-4                    524.9n ±  6%    529.5n ±  2%       ~ (p=0.093 n=6)
DeserializeNative/STEF/deser-4                       36.26n ±  1%    36.35n ±  1%       ~ (p=0.788 n=6)
DeserializeNative/STEFU/deser-4                      107.8n ±  0%    107.5n ±  1%       ~ (p=0.238 n=6)
SerializeFromPdata/STEF/serialize-4                  2.086µ ±  3%    2.107µ ±  1%       ~ (p=0.240 n=6)
SerializeFromPdata/STEFU/serialize-4                 528.3n ±  1%    532.4n ±  1%       ~ (p=0.082 n=6)
DeserializeToPdata/STEF/deserialize-4                695.0n ±  2%    709.2n ±  3%  +2.05% (p=0.041 n=6)
DeserializeToPdata/STEFU/deserialize-4               961.2n ±  2%    958.7n ±  1%       ~ (p=0.818 n=6)
STEFReaderRead-4                                     37.09n ±  2%    37.38n ±  1%       ~ (p=0.097 n=6)
STEFSerializeMultipart/astronomy-otelmetrics-4       4.295µ ± 22%    4.425µ ± 25%       ~ (p=0.589 n=6)
STEFDeserializeMultipart/astronomy-otelmetrics-4     93.72n ± 12%   100.27n ± 11%       ~ (p=0.485 n=6)
ReadSTEF-4                                           38.57n ±  4%    38.69n ±  2%       ~ (p=0.937 n=6)
ReadSTEFZ-4                                          50.08n ±  2%    50.82n ±  5%  +1.49% (p=0.026 n=6)
ReadSTEFZWriteSTEF-4                                 119.7n ±  2%    115.7n ±  1%  -3.38% (p=0.002 n=6)
geomean                                              221.2n          224.6n        +1.52%

                                                 │ bench-main.txt │            bench-new.txt             │
                                                 │      B/op      │     B/op      vs base                │
SerializeNative/STEF/serialize-4                     3.344Mi ± 0%   3.341Mi ± 0%       ~ (p=0.699 n=6)
SerializeNative/STEFU/serialize-4                    7.530Mi ± 0%   7.530Mi ± 0%       ~ (p=0.437 n=6)
DeserializeNative/STEF/deser-4                       934.4Ki ± 0%   934.4Ki ± 0%       ~ (p=1.000 n=6) ¹
DeserializeNative/STEFU/deser-4                      1.471Mi ± 0%   1.471Mi ± 0%       ~ (p=1.000 n=6)
SerializeFromPdata/STEF/serialize-4                  74.82Mi ± 0%   74.82Mi ± 0%       ~ (p=0.461 n=6)
SerializeFromPdata/STEFU/serialize-4                 7.530Mi ± 0%   7.530Mi ± 0%       ~ (p=0.216 n=6)
DeserializeToPdata/STEF/deserialize-4                31.97Mi ± 0%   31.97Mi ± 0%       ~ (p=0.662 n=6)
DeserializeToPdata/STEFU/deserialize-4               38.64Mi ± 0%   38.64Mi ± 0%       ~ (p=0.136 n=6)
STEFReaderRead-4                                     936.2Ki ± 0%   936.2Ki ± 0%       ~ (p=1.000 n=6)
STEFSerializeMultipart/astronomy-otelmetrics-4       3.360Gi ± 0%   3.360Gi ± 0%       ~ (p=0.818 n=6)
STEFDeserializeMultipart/astronomy-otelmetrics-4     20.41Mi ± 0%   20.41Mi ± 0%       ~ (p=0.740 n=6)
ReadSTEF-4                                           936.2Ki ± 0%   936.2Ki ± 0%       ~ (p=0.543 n=6)
ReadSTEFZ-4                                          10.27Mi ± 0%   10.27Mi ± 0%       ~ (p=0.113 n=6)
ReadSTEFZWriteSTEF-4                                 13.43Mi ± 0%   13.43Mi ± 0%       ~ (p=0.236 n=6)
geomean                                              10.47Mi        10.47Mi       -0.01%
¹ all samples are equal

                                                 │ bench-main.txt │            bench-new.txt            │
                                                 │   allocs/op    │  allocs/op   vs base                │
SerializeNative/STEF/serialize-4                      2.655k ± 0%   2.650k ± 1%       ~ (p=0.734 n=6)
SerializeNative/STEFU/serialize-4                      884.0 ± 0%    885.0 ± 0%       ~ (p=0.567 n=6)
DeserializeNative/STEF/deser-4                         465.0 ± 0%    465.0 ± 0%       ~ (p=1.000 n=6) ¹
DeserializeNative/STEFU/deser-4                        469.0 ± 0%    469.0 ± 0%       ~ (p=1.000 n=6) ¹
SerializeFromPdata/STEF/serialize-4                   134.7k ± 0%   134.7k ± 0%       ~ (p=0.281 n=6)
SerializeFromPdata/STEFU/serialize-4                   886.0 ± 0%    886.0 ± 0%       ~ (p=1.000 n=6) ¹
DeserializeToPdata/STEF/deserialize-4                 756.2k ± 0%   756.2k ± 0%       ~ (p=1.000 n=6) ¹
DeserializeToPdata/STEFU/deserialize-4                944.9k ± 0%   944.9k ± 0%       ~ (p=1.000 n=6) ¹
STEFReaderRead-4                                       465.0 ± 0%    465.0 ± 0%       ~ (p=1.000 n=6) ¹
STEFSerializeMultipart/astronomy-otelmetrics-4        13.15M ± 0%   13.15M ± 0%       ~ (p=0.558 n=6)
STEFDeserializeMultipart/astronomy-otelmetrics-4      2.294k ± 0%   2.294k ± 0%       ~ (p=1.000 n=6) ¹
ReadSTEF-4                                             466.0 ± 0%    466.0 ± 0%       ~ (p=1.000 n=6) ¹
ReadSTEFZ-4                                            503.0 ± 0%    503.0 ± 0%       ~ (p=1.000 n=6)
ReadSTEFZWriteSTEF-4                                  1.233k ± 0%   1.233k ± 0%       ~ (p=1.000 n=6) ¹
geomean                                               6.360k        6.359k       -0.01%
¹ all samples are equal
Benchmark result 
benchstat bench-new.txt
goos: linux
goarch: amd64
pkg: github.com/splunk/stef/benchmarks
cpu: AMD EPYC 7763 64-Core Processor                
                                                 │ bench-new.txt │
                                                 │    sec/op     │
SerializeNative/STEF/serialize-4                    9.331m ±  6%
SerializeNative/STEFU/serialize-4                   35.40m ±  2%
DeserializeNative/STEF/deser-4                      2.431m ±  1%
DeserializeNative/STEFU/deser-4                     7.190m ±  1%
SerializeFromPdata/STEF/serialize-4                 140.8m ±  1%
SerializeFromPdata/STEFU/serialize-4                35.59m ±  1%
DeserializeToPdata/STEF/deserialize-4               47.41m ±  3%
DeserializeToPdata/STEFU/deserialize-4              64.09m ±  1%
STEFReaderRead-4                                    2.499m ±  1%
STEFSerializeMultipart/astronomy-otelmetrics-4       3.482 ± 25%
STEFDeserializeMultipart/astronomy-otelmetrics-4    78.90m ± 11%
ReadSTEF-4                                          2.585m ±  2%
ReadSTEFZ-4                                         3.396m ±  5%
ReadSTEFZWriteSTEF-4                                7.732m ±  1%
geomean                                             21.35m

                                                 │ bench-new.txt │
                                                 │   sec/point   │
SerializeNative/STEF/serialize-4                    139.6n ±  6%
SerializeNative/STEFU/serialize-4                   529.5n ±  2%
DeserializeNative/STEF/deser-4                      36.35n ±  1%
DeserializeNative/STEFU/deser-4                     107.5n ±  1%
SerializeFromPdata/STEF/serialize-4                 2.107µ ±  1%
SerializeFromPdata/STEFU/serialize-4                532.4n ±  1%
DeserializeToPdata/STEF/deserialize-4               709.2n ±  3%
DeserializeToPdata/STEFU/deserialize-4              958.7n ±  1%
STEFReaderRead-4                                    37.38n ±  1%
STEFSerializeMultipart/astronomy-otelmetrics-4      4.425µ ± 25%
STEFDeserializeMultipart/astronomy-otelmetrics-4    100.3n ± 11%
ReadSTEF-4                                          38.69n ±  2%
ReadSTEFZ-4                                         50.82n ±  5%
ReadSTEFZWriteSTEF-4                                115.7n ±  1%
geomean                                             224.6n

                                                 │ bench-new.txt │
                                                 │     B/op      │
SerializeNative/STEF/serialize-4                    3.341Mi ± 0%
SerializeNative/STEFU/serialize-4                   7.530Mi ± 0%
DeserializeNative/STEF/deser-4                      934.4Ki ± 0%
DeserializeNative/STEFU/deser-4                     1.471Mi ± 0%
SerializeFromPdata/STEF/serialize-4                 74.82Mi ± 0%
SerializeFromPdata/STEFU/serialize-4                7.530Mi ± 0%
DeserializeToPdata/STEF/deserialize-4               31.97Mi ± 0%
DeserializeToPdata/STEFU/deserialize-4              38.64Mi ± 0%
STEFReaderRead-4                                    936.2Ki ± 0%
STEFSerializeMultipart/astronomy-otelmetrics-4      3.360Gi ± 0%
STEFDeserializeMultipart/astronomy-otelmetrics-4    20.41Mi ± 0%
ReadSTEF-4                                          936.2Ki ± 0%
ReadSTEFZ-4                                         10.27Mi ± 0%
ReadSTEFZWriteSTEF-4                                13.43Mi ± 0%
geomean                                             10.47Mi

                                                 │ bench-new.txt │
                                                 │   allocs/op   │
SerializeNative/STEF/serialize-4                     2.650k ± 1%
SerializeNative/STEFU/serialize-4                     885.0 ± 0%
DeserializeNative/STEF/deser-4                        465.0 ± 0%
DeserializeNative/STEFU/deser-4                       469.0 ± 0%
SerializeFromPdata/STEF/serialize-4                  134.7k ± 0%
SerializeFromPdata/STEFU/serialize-4                  886.0 ± 0%
DeserializeToPdata/STEF/deserialize-4                756.2k ± 0%
DeserializeToPdata/STEFU/deserialize-4               944.9k ± 0%
STEFReaderRead-4                                      465.0 ± 0%
STEFSerializeMultipart/astronomy-otelmetrics-4       13.15M ± 0%
STEFDeserializeMultipart/astronomy-otelmetrics-4     2.294k ± 0%
ReadSTEF-4                                            466.0 ± 0%
ReadSTEFZ-4                                           503.0 ± 0%
ReadSTEFZWriteSTEF-4                                 1.233k ± 0%
geomean                                              6.359k

@tigrannajaryan tigrannajaryan merged commit cc9569f into main Dec 11, 2025
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@tigrannajaryan tigrannajaryan deleted the tigran/format-otelstef branch December 11, 2025 17:23
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@maheshkanote maheshkanote maheshkanote approved these changes

@abhisheksplunk abhisheksplunk Awaiting requested review from abhisheksplunk

@dmitryax dmitryax Awaiting requested review from dmitryax

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@tigrannajaryan @maheshkanote