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Posted to github@arrow.apache.org by "Rich-T-kid (via GitHub)" <gi...@apache.org> on 2026/09/04 03:02:58 UTC
[PR] draft perf(nullbuf::expand) non aligned counts [arrow-rs]
Rich-T-kid opened a new pull request, #10980:
URL: https://github.com/apache/arrow-rs/pull/10980
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Re: [PR] draft perf(nullbuf::expand) non aligned counts [arrow-rs]
Posted by "Rich-T-kid (via GitHub)" <gi...@apache.org>.
Rich-T-kid commented on PR #10980:
URL: https://github.com/apache/arrow-rs/pull/10980#issuecomment-5535151047
nice
```
take fixed_size_list<i32>[22] null indices 1024 3.34 20.7±0.02µs ? ?/sec 1.00 6.2±0.01µs ? ?/sec
take fixed_size_list<i32>[22] null values 1024 2.86 21.7±0.02µs ? ?/sec 1.00 7.6±0.01µs ? ?/sec
```
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Re: [PR] draft perf(nullbuf::expand) non aligned counts [arrow-rs]
Posted by "Rich-T-kid (via GitHub)" <gi...@apache.org>.
Rich-T-kid commented on PR #10980:
URL: https://github.com/apache/arrow-rs/pull/10980#issuecomment-5535077865
run benchmark take_kernels
env:
BENCH_FILTER: fixed_size_list
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Re: [PR] draft perf(nullbuf::expand) non aligned counts [arrow-rs]
Posted by "adriangbot (via GitHub)" <gi...@apache.org>.
adriangbot commented on PR #10980:
URL: https://github.com/apache/arrow-rs/pull/10980#issuecomment-5540643972
🤖 Arrow criterion benchmark running (GKE) | [trigger](https://github.com/apache/arrow-rs/pull/10980#issuecomment-5540605236)
**Instance:** `c4a-highmem-16` (12 vCPU / 65 GiB) | `Linux bench-c5540605236-2131-6g7j5 6.12.94+ #1 SMP Fri Jul 17 09:42:57 UTC 2026 aarch64 GNU/Linux`
<details><summary>CPU Details (lscpu)</summary>
```
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>
Comparing rich-T-kid/optimize-non-aligned-expand (623846c4eab2d86f1270d480fd9c85d19c3aed92) to cb682a2 (merge-base) [diff](https://github.com/apache/arrow-rs/compare/cb682a2f35e5bf1c610c8a762975ba933d4701f1..623846c4eab2d86f1270d480fd9c85d19c3aed92)
<details><summary>Run configuration</summary>
```yaml
run benchmark take_kernels
env:
BENCH_FILTER: "fixed_size_list"
```
</details>
BENCH_COMMAND=cargo bench --features=arrow,async,test_common,experimental,object_store --bench take_kernels
Results will be posted here when complete
---
[File an issue](https://github.com/adriangb/datafusion-benchmarking/issues) against this benchmark runner
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Re: [PR] draft perf(nullbuf::expand) non aligned counts [arrow-rs]
Posted by "adriangbot (via GitHub)" <gi...@apache.org>.
adriangbot commented on PR #10980:
URL: https://github.com/apache/arrow-rs/pull/10980#issuecomment-5535122875
🤖 Arrow criterion benchmark completed (GKE) | [trigger](https://github.com/apache/arrow-rs/pull/10980#issuecomment-5535077865)
**Instance:** `c4a-highmem-16` (12 vCPU / 65 GiB)
Comparing rich-T-kid/optimize-non-aligned-expand (1f37f77b66f1225d80a78284ae2d210cc958afd4) to ec21627 (merge-base) [diff](https://github.com/apache/arrow-rs/compare/ec21627533987201d690691918da21f152950a50..1f37f77b66f1225d80a78284ae2d210cc958afd4)
<details><summary>Run configuration</summary>
```yaml
run benchmark take_kernels
env:
BENCH_FILTER: "fixed_size_list"
```
</details>
<details><summary>CPU Details (lscpu)</summary>
```
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>Details</summary>
<p>
```
group main rich-T-kid_optimize-non-aligned-expand
----- ---- --------------------------------------
take fixed_size_list<i32>[22] 1024 1.01 3.4±0.01µs ? ?/sec 1.00 3.4±0.00µs ? ?/sec
take fixed_size_list<i32>[22] null indices 1024 3.34 20.7±0.02µs ? ?/sec 1.00 6.2±0.01µs ? ?/sec
take fixed_size_list<i32>[22] null values 1024 2.86 21.7±0.02µs ? ?/sec 1.00 7.6±0.01µs ? ?/sec
take fixed_size_list<i32>[8] 1024 1.01 2.8±0.00µs ? ?/sec 1.00 2.8±0.00µs ? ?/sec
take fixed_size_list<i32>[8] null indices 1024 2.27 9.4±0.01µs ? ?/sec 1.00 4.2±0.01µs ? ?/sec
take fixed_size_list<i32>[8] null values 1024 1.92 10.5±0.01µs ? ?/sec 1.00 5.5±0.00µs ? ?/sec
```
</p>
</details>
<details><summary>Resource Usage</summary>
**base (merge-base)**
| Metric | Value |
|--------|-------|
| Wall time | 65.0s |
| Peak memory | 15.8 MiB |
| Avg memory | 13.8 MiB |
| CPU user | 61.8s |
| CPU sys | 0.0s |
| Peak spill | 0 B |
**branch**
| Metric | Value |
|--------|-------|
| Wall time | 60.0s |
| Peak memory | 16.0 MiB |
| Avg memory | 13.6 MiB |
| CPU user | 57.1s |
| CPU sys | 0.0s |
| Peak spill | 0 B |
</details>
---
[File an issue](https://github.com/adriangb/datafusion-benchmarking/issues) against this benchmark runner
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Re: [PR] perf(nullbuf::expand) non aligned counts [arrow-rs]
Posted by "adriangbot (via GitHub)" <gi...@apache.org>.
adriangbot commented on PR #10980:
URL: https://github.com/apache/arrow-rs/pull/10980#issuecomment-5540683149
🤖 Arrow criterion benchmark completed (GKE) | [trigger](https://github.com/apache/arrow-rs/pull/10980#issuecomment-5540605984)
**Instance:** `c4a-highmem-16` (12 vCPU / 65 GiB)
Comparing rich-T-kid/optimize-non-aligned-expand (623846c4eab2d86f1270d480fd9c85d19c3aed92) to cb682a2 (merge-base) [diff](https://github.com/apache/arrow-rs/compare/cb682a2f35e5bf1c610c8a762975ba933d4701f1..623846c4eab2d86f1270d480fd9c85d19c3aed92)
<details><summary>Run configuration</summary>
```yaml
run benchmark take_kernels
env:
BENCH_FILTER: "fixed_size_list"
```
</details>
<details><summary>CPU Details (lscpu)</summary>
```
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>Details</summary>
<p>
```
group main rich-T-kid_optimize-non-aligned-expand
----- ---- --------------------------------------
take fixed_size_list<i32>[22] 1024 1.01 3.5±0.01µs ? ?/sec 1.00 3.4±0.01µs ? ?/sec
take fixed_size_list<i32>[22] null indices 1024 3.25 19.8±0.02µs ? ?/sec 1.00 6.1±0.01µs ? ?/sec
take fixed_size_list<i32>[22] null values 1024 2.75 20.7±0.01µs ? ?/sec 1.00 7.5±0.02µs ? ?/sec
take fixed_size_list<i32>[8] 1024 1.00 2.8±0.00µs ? ?/sec 1.02 2.8±0.00µs ? ?/sec
take fixed_size_list<i32>[8] null indices 1024 1.02 4.2±0.01µs ? ?/sec 1.00 4.1±0.01µs ? ?/sec
take fixed_size_list<i32>[8] null values 1024 1.00 5.5±0.01µs ? ?/sec 1.00 5.5±0.01µs ? ?/sec
```
</p>
</details>
<details><summary>Resource Usage</summary>
**base (merge-base)**
| Metric | Value |
|--------|-------|
| Wall time | 65.0s |
| Peak memory | 16.5 MiB |
| Avg memory | 14.2 MiB |
| CPU user | 61.8s |
| CPU sys | 0.0s |
| Peak spill | 0 B |
**branch**
| Metric | Value |
|--------|-------|
| Wall time | 60.0s |
| Peak memory | 15.8 MiB |
| Avg memory | 13.8 MiB |
| CPU user | 57.1s |
| CPU sys | 0.0s |
| Peak spill | 0 B |
</details>
---
[File an issue](https://github.com/adriangb/datafusion-benchmarking/issues) against this benchmark runner
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Re: [PR] perf(nullbuf::expand) non aligned counts [arrow-rs]
Posted by "adriangbot (via GitHub)" <gi...@apache.org>.
adriangbot commented on PR #10980:
URL: https://github.com/apache/arrow-rs/pull/10980#issuecomment-5540682910
🤖 Arrow criterion benchmark completed (GKE) | [trigger](https://github.com/apache/arrow-rs/pull/10980#issuecomment-5540605236)
**Instance:** `c4a-highmem-16` (12 vCPU / 65 GiB)
Comparing rich-T-kid/optimize-non-aligned-expand (623846c4eab2d86f1270d480fd9c85d19c3aed92) to cb682a2 (merge-base) [diff](https://github.com/apache/arrow-rs/compare/cb682a2f35e5bf1c610c8a762975ba933d4701f1..623846c4eab2d86f1270d480fd9c85d19c3aed92)
<details><summary>Run configuration</summary>
```yaml
run benchmark take_kernels
env:
BENCH_FILTER: "fixed_size_list"
```
</details>
<details><summary>CPU Details (lscpu)</summary>
```
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>Details</summary>
<p>
```
group main rich-T-kid_optimize-non-aligned-expand
----- ---- --------------------------------------
take fixed_size_list<i32>[22] 1024 1.01 3.5±0.01µs ? ?/sec 1.00 3.5±0.01µs ? ?/sec
take fixed_size_list<i32>[22] null indices 1024 3.22 19.7±0.01µs ? ?/sec 1.00 6.1±0.01µs ? ?/sec
take fixed_size_list<i32>[22] null values 1024 2.75 20.7±0.03µs ? ?/sec 1.00 7.5±0.01µs ? ?/sec
take fixed_size_list<i32>[8] 1024 1.00 2.8±0.01µs ? ?/sec 1.00 2.8±0.01µs ? ?/sec
take fixed_size_list<i32>[8] null indices 1024 1.00 4.2±0.01µs ? ?/sec 1.00 4.2±0.01µs ? ?/sec
take fixed_size_list<i32>[8] null values 1024 1.01 5.6±0.01µs ? ?/sec 1.00 5.5±0.01µs ? ?/sec
```
</p>
</details>
<details><summary>Resource Usage</summary>
**base (merge-base)**
| Metric | Value |
|--------|-------|
| Wall time | 65.0s |
| Peak memory | 16.5 MiB |
| Avg memory | 14.2 MiB |
| CPU user | 61.8s |
| CPU sys | 0.0s |
| Peak spill | 0 B |
**branch**
| Metric | Value |
|--------|-------|
| Wall time | 60.0s |
| Peak memory | 16.2 MiB |
| Avg memory | 14.1 MiB |
| CPU user | 57.1s |
| CPU sys | 0.0s |
| Peak spill | 0 B |
</details>
---
[File an issue](https://github.com/adriangb/datafusion-benchmarking/issues) against this benchmark runner
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Re: [PR] draft perf(nullbuf::expand) non aligned counts [arrow-rs]
Posted by "adriangbot (via GitHub)" <gi...@apache.org>.
adriangbot commented on PR #10980:
URL: https://github.com/apache/arrow-rs/pull/10980#issuecomment-5540646754
🤖 Arrow criterion benchmark running (GKE) | [trigger](https://github.com/apache/arrow-rs/pull/10980#issuecomment-5540605984)
**Instance:** `c4a-highmem-16` (12 vCPU / 65 GiB) | `Linux bench-c5540605984-2132-d48w9 6.12.94+ #1 SMP Fri Jul 17 09:42:57 UTC 2026 aarch64 GNU/Linux`
<details><summary>CPU Details (lscpu)</summary>
```
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>
Comparing rich-T-kid/optimize-non-aligned-expand (623846c4eab2d86f1270d480fd9c85d19c3aed92) to cb682a2 (merge-base) [diff](https://github.com/apache/arrow-rs/compare/cb682a2f35e5bf1c610c8a762975ba933d4701f1..623846c4eab2d86f1270d480fd9c85d19c3aed92)
<details><summary>Run configuration</summary>
```yaml
run benchmark take_kernels
env:
BENCH_FILTER: "fixed_size_list"
```
</details>
BENCH_COMMAND=cargo bench --features=arrow,async,test_common,experimental,object_store --bench take_kernels
Results will be posted here when complete
---
[File an issue](https://github.com/adriangb/datafusion-benchmarking/issues) against this benchmark runner
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
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Re: [PR] draft perf(nullbuf::expand) non aligned counts [arrow-rs]
Posted by "Rich-T-kid (via GitHub)" <gi...@apache.org>.
Rich-T-kid commented on PR #10980:
URL: https://github.com/apache/arrow-rs/pull/10980#issuecomment-5540619172
@Jefffrey this is also ready for review now. split it from the other PR since it has a lot of bit manipulation logic.
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Re: [PR] draft perf(nullbuf::expand) non aligned counts [arrow-rs]
Posted by "adriangbot (via GitHub)" <gi...@apache.org>.
adriangbot commented on PR #10980:
URL: https://github.com/apache/arrow-rs/pull/10980#issuecomment-5535100492
🤖 Arrow criterion benchmark running (GKE) | [trigger](https://github.com/apache/arrow-rs/pull/10980#issuecomment-5535077865)
**Instance:** `c4a-highmem-16` (12 vCPU / 65 GiB) | `Linux bench-c5535077865-2129-8wrbz 6.12.94+ #1 SMP Fri Jul 17 09:42:57 UTC 2026 aarch64 GNU/Linux`
<details><summary>CPU Details (lscpu)</summary>
```
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>
Comparing rich-T-kid/optimize-non-aligned-expand (1f37f77b66f1225d80a78284ae2d210cc958afd4) to ec21627 (merge-base) [diff](https://github.com/apache/arrow-rs/compare/ec21627533987201d690691918da21f152950a50..1f37f77b66f1225d80a78284ae2d210cc958afd4)
<details><summary>Run configuration</summary>
```yaml
run benchmark take_kernels
env:
BENCH_FILTER: "fixed_size_list"
```
</details>
BENCH_COMMAND=cargo bench --features=arrow,async,test_common,experimental,object_store --bench take_kernels
Results will be posted here when complete
---
[File an issue](https://github.com/adriangb/datafusion-benchmarking/issues) against this benchmark runner
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Re: [PR] draft perf(nullbuf::expand) non aligned counts [arrow-rs]
Posted by "Rich-T-kid (via GitHub)" <gi...@apache.org>.
Rich-T-kid commented on PR #10980:
URL: https://github.com/apache/arrow-rs/pull/10980#issuecomment-5540605984
run benchmark take_kernels
env:
BENCH_FILTER: fixed_size_list
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Re: [PR] draft perf(nullbuf::expand) non aligned counts [arrow-rs]
Posted by "Rich-T-kid (via GitHub)" <gi...@apache.org>.
Rich-T-kid commented on PR #10980:
URL: https://github.com/apache/arrow-rs/pull/10980#issuecomment-5540605236
run benchmark take_kernels
env:
BENCH_FILTER: fixed_size_list
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Re: [PR] perf(nullbuf::expand) non aligned counts [arrow-rs]
Posted by "Jefffrey (via GitHub)" <gi...@apache.org>.
Jefffrey commented on PR #10980:
URL: https://github.com/apache/arrow-rs/pull/10980#issuecomment-5557010250
Thanks @Rich-T-kid
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Re: [PR] perf(nullbuf::expand) non aligned counts [arrow-rs]
Posted by "Jefffrey (via GitHub)" <gi...@apache.org>.
Jefffrey merged PR #10980:
URL: https://github.com/apache/arrow-rs/pull/10980
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