adriangbot commented on PR #11982: URL: https://github.com/apache/arrow-rs/pull/11982#issuecomment-6498847653
🤖 Benchmark completed (GKE) | [trigger](https://github.com/apache/arrow-rs/pull/11982#issuecomment-6498435666) **Target:** arrow_writer Comparing parquet-dictionary-cache (c19410f28697d7f1a72ab05d6522ca1d98eef718) to cacb42e (merge-base) [diff](https://github.com/apache/arrow-rs/compare/cacb42eaf39646c3ca52459c954bba348bc343b1..c19410f28697d7f1a72ab05d6522ca1d98eef718) <details><summary>Run configuration</summary> ```yaml run benchmark arrow_writer env: BENCH_FILTER: string_dictionary shards: 1 ``` </details> <details><summary>Details</summary> ``` group base changed ----- ---- ------- string_dictionary/bloom_filter 1.01 84.5±7.05ms 11.8 MElem/sec 1.00 83.7±7.77ms 12.0 MElem/sec string_dictionary/cdc 1.08 50.2±9.30ms 19.9 MElem/sec 1.00 46.4±4.03ms 21.6 MElem/sec string_dictionary/default 1.05 43.8±4.05ms 22.8 MElem/sec 1.00 41.9±5.25ms 23.9 MElem/sec string_dictionary/number_distinct_values 1.02 103.7±13.23ms 9.6 MElem/sec 1.00 101.9±15.06ms 9.8 MElem/sec string_dictionary/parquet_2 1.00 48.6±4.09ms 20.6 MElem/sec 1.00 48.6±5.28ms 20.6 MElem/sec string_dictionary/zstd 1.01 216.8±11.55ms 4.6 MElem/sec 1.00 215.6±13.41ms 4.6 MElem/sec string_dictionary/zstd_parquet_2 1.00 195.3±9.11ms 5.1 MElem/sec 1.00 194.7±9.01ms 5.1 MElem/sec string_dictionary_1pct_cardinality/bloom_filter 1.89 22.5±0.14ms 44.4 MElem/sec 1.00 11.9±0.07ms 84.0 MElem/sec string_dictionary_1pct_cardinality/cdc 1.73 25.8±0.18ms 38.8 MElem/sec 1.00 14.9±0.13ms 67.1 MElem/sec string_dictionary_1pct_cardinality/default 1.91 22.3±0.11ms 44.8 MElem/sec 1.00 11.7±0.08ms 85.8 MElem/sec string_dictionary_1pct_cardinality/number_distinct_values 1.36 41.2±0.82ms 24.3 MElem/sec 1.00 30.4±0.79ms 32.9 MElem/sec string_dictionary_1pct_cardinality/parquet_2 1.89 22.1±0.18ms 45.3 MElem/sec 1.00 11.7±0.09ms 85.5 MElem/sec string_dictionary_1pct_cardinality/zstd 1.78 25.6±0.32ms 39.1 MElem/sec 1.00 14.4±0.19ms 69.4 MElem/sec string_dictionary_1pct_cardinality/zstd_parquet_2 1.76 25.1±0.27ms 39.9 MElem/sec 1.00 14.2±0.09ms 70.3 MElem/sec string_dictionary_low_cardinality_100/bloom_filter 2.18 22.6±0.20ms 44.3 MElem/sec 1.00 10.4±0.04ms 96.5 MElem/sec string_dictionary_low_cardinality_100/cdc 1.98 24.8±0.25ms 40.3 MElem/sec 1.00 12.5±0.04ms 79.8 MElem/sec string_dictionary_low_cardinality_100/default 2.19 22.5±0.21ms 44.4 MElem/sec 1.00 10.3±0.07ms 97.3 MElem/sec string_dictionary_low_cardinality_100/number_distinct_values 1.37 45.8±0.85ms 21.8 MElem/sec 1.00 33.5±0.74ms 29.9 MElem/sec string_dictionary_low_cardinality_100/parquet_2 2.19 22.5±0.20ms 44.4 MElem/sec 1.00 10.3±0.06ms 97.3 MElem/sec string_dictionary_low_cardinality_100/zstd 2.15 22.9±0.21ms 43.7 MElem/sec 1.00 10.6±0.02ms 93.9 MElem/sec string_dictionary_low_cardinality_100/zstd_parquet_2 2.16 22.8±0.20ms 43.8 MElem/sec 1.00 10.6±0.02ms 94.4 MElem/sec string_dictionary_low_cardinality_20/bloom_filter 2.17 22.5±0.19ms 44.4 MElem/sec 1.00 10.4±0.04ms 96.4 MElem/sec string_dictionary_low_cardinality_20/cdc 1.97 24.7±0.15ms 40.4 MElem/sec 1.00 12.6±0.09ms 79.5 MElem/sec string_dictionary_low_cardinality_20/default 2.18 22.5±0.22ms 44.5 MElem/sec 1.00 10.3±0.03ms 97.3 MElem/sec string_dictionary_low_cardinality_20/number_distinct_values 1.36 45.9±1.28ms 21.8 MElem/sec 1.00 33.6±1.12ms 29.7 MElem/sec string_dictionary_low_cardinality_20/parquet_2 2.18 22.4±0.20ms 44.6 MElem/sec 1.00 10.3±0.02ms 97.3 MElem/sec string_dictionary_low_cardinality_20/zstd 2.16 22.5±0.18ms 44.4 MElem/sec 1.00 10.4±0.02ms 95.8 MElem/sec string_dictionary_low_cardinality_20/zstd_parquet_2 2.16 22.5±0.20ms 44.4 MElem/sec 1.00 10.4±0.07ms 95.9 MElem/sec string_dictionary_low_cardinality_400/bloom_filter 2.19 23.2±0.22ms 43.2 MElem/sec 1.00 10.6±0.08ms 94.6 MElem/sec string_dictionary_low_cardinality_400/cdc 1.99 25.3±0.17ms 39.5 MElem/sec 1.00 12.7±0.04ms 78.6 MElem/sec string_dictionary_low_cardinality_400/default 2.21 23.1±0.19ms 43.3 MElem/sec 1.00 10.4±0.06ms 95.8 MElem/sec string_dictionary_low_cardinality_400/number_distinct_values 1.38 46.3±0.84ms 21.6 MElem/sec 1.00 33.6±0.70ms 29.8 MElem/sec string_dictionary_low_cardinality_400/parquet_2 2.21 23.1±0.20ms 43.3 MElem/sec 1.00 10.4±0.03ms 95.9 MElem/sec string_dictionary_low_cardinality_400/zstd 2.16 23.6±0.26ms 42.4 MElem/sec 1.00 10.9±0.09ms 91.6 MElem/sec string_dictionary_low_cardinality_400/zstd_parquet_2 2.16 23.5±0.18ms 42.5 MElem/sec 1.00 10.9±0.06ms 91.8 MElem/sec ``` </details> <details><summary>Per-runner information</summary> <details><summary>arrow_writer — shard 1/1</summary> **Node:** gk3-benchmark-cluster-nap-1idxzbee-33b9562b-bkh5 **Instance:** c4a-highmem-16 (12 vCPU / 65 GiB) **uname:** ```text Linux bench-c6498435666-4108-87899 6.12.105+ #1 SMP Sat Sep 19 07:55:25 UTC 2026 aarch64 GNU/Linux ``` **BENCH_COMMAND:** ```sh cargo bench --features=arrow,async,test_common,experimental,object_store --bench arrow_writer ``` <details><summary>CPU Details (lscpu)</summary> ```text Architecture: aarch64 CPU op-mode(s): 64-bit Byte Order: Little Endian CPU(s): 16 On-line CPU(s) list: 0-15 Vendor ID: ARM Model name: Neoverse-V2 Model: 1 Thread(s) per core: 1 Core(s) per cluster: 16 Socket(s): - Cluster(s): 1 Stepping: r0p1 BogoMIPS: 2000.00 Flags: fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 sm4 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm bf16 dgh rng bti L1d cache: 1 MiB (16 instances) L1i cache: 1 MiB (16 instances) L2 cache: 32 MiB (16 instances) L3 cache: 80 MiB (1 instance) NUMA node(s): 1 NUMA node0 CPU(s): 0-15 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Not affected Vulnerability Spec rstack overflow: Not affected Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; __user pointer sanitization Vulnerability Spectre v2: Mitigation; CSV2, BHB Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ``` </details> <details><summary>Resource Usage</summary> **base (merge-base)** | Metric | Value | |--------|-------| | Wall time | 465.1s | | Peak memory | 1.4 GiB | | Avg memory | 147.7 MiB | | CPU user | 453.4s | | CPU sys | 4.9s | | Peak spill | 0 B | **branch** | Metric | Value | |--------|-------| | Wall time | 415.1s | | Peak memory | 2.1 GiB | | Avg memory | 166.4 MiB | | CPU user | 406.6s | | CPU sys | 4.9s | | Peak spill | 0 B | </details> </details> </details> --- [File an issue](https://github.com/adriangb/datafusion-benchmarking/issues) against 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