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Document why the Arrow exporter keeps Decimal128 as the default decimal width

#8197
Comparing
claude/sleepy-galileo-tSLDR
(
6603fcf
) with
develop
(
70be73c
)
CodSpeed Performance Gauge
0%
Untouched
1275

Benchmarks

1275 total
new_alp_prim_test_between[f64, 32768]
encodings/fastlanes/benches/compute_between.rs::alp
CodSpeed Performance Gauge
+9%
176.7 µs161.6 µs
new_bp_prim_test_between[i16, 32768]
encodings/fastlanes/benches/compute_between.rs::bitpack
CodSpeed Performance Gauge
+9%
151 µs138.5 µs
new_bp_prim_test_between[i32, 32768]
encodings/fastlanes/benches/compute_between.rs::bitpack
CodSpeed Performance Gauge
+9%
155.3 µs142.9 µs
new_bp_prim_test_between[i64, 32768]
encodings/fastlanes/benches/compute_between.rs::bitpack
CodSpeed Performance Gauge
+8%
162.6 µs150.2 µs
new_bp_prim_test_between[i16, 16384]
encodings/fastlanes/benches/compute_between.rs::bitpack
CodSpeed Performance Gauge
+8%
92.6 µs86 µs
new_alp_prim_test_between[f64, 16384]
encodings/fastlanes/benches/compute_between.rs::alp
CodSpeed Performance Gauge
+7%
112.6 µs104.8 µs
new_bp_prim_test_between[i32, 16384]
encodings/fastlanes/benches/compute_between.rs::bitpack
CodSpeed Performance Gauge
+7%
95.8 µs89.5 µs
new_bp_prim_test_between[i64, 16384]
encodings/fastlanes/benches/compute_between.rs::bitpack
CodSpeed Performance Gauge
+7%
101.5 µs95.2 µs
take_filter_primitive_small_random_mask_random_indices[4096, 10]
vortex-array/benches/take_filter.rs
CodSpeed Performance Gauge
+6%
30.3 µs28.5 µs
cuda/dict_widen_u16_to_u32/dispatch_u32[100M]
vortex-cuda/benches/dynamic_dispatch_cuda.rs::benches::benchmark_dynamic_dispatch::cuda
CodSpeed Performance Gauge
+6%
1,016.8 µs961.5 µs
take_map[(0.1, 1.0)]
vortex-array/benches/take_patches.rs
CodSpeed Performance Gauge
+5%
1.7 ms1.6 ms
true_count_vortex_buffer[128]
vortex-buffer/benches/vortex_bitbuffer.rs
CodSpeed Performance Gauge
+4%
764.7 ns735.6 ns
true_count_vortex_buffer[1024]
vortex-buffer/benches/vortex_bitbuffer.rs
CodSpeed Performance Gauge
+3%
923.3 ns894.2 ns
value_vortex_buffer[128]
vortex-buffer/benches/vortex_bitbuffer.rs
CodSpeed Performance Gauge
+3%
952.2 ns923.1 ns
iter_vortex_buffer[128]
vortex-buffer/benches/vortex_bitbuffer.rs
CodSpeed Performance Gauge
+3%
952.5 ns923.3 ns
true_count_vortex_buffer[2048]
vortex-buffer/benches/vortex_bitbuffer.rs
CodSpeed Performance Gauge
+3%
965 ns935.8 ns
cuda/alp_f32/0%[100M]
vortex-cuda/benches/alp_cuda.rs::benches::benchmark_alp_decode::cuda
CodSpeed Performance Gauge
+2%
2.5 ms2.4 ms
new_bp_prim_test_between[i32, 2048]
encodings/fastlanes/benches/compute_between.rs::bitpack
CodSpeed Performance Gauge
+2%
43.3 µs42.3 µs
new_alp_prim_test_between[f32, 2048]
encodings/fastlanes/benches/compute_between.rs::alp
CodSpeed Performance Gauge
+2%
51.9 µs50.7 µs
to_arrow_dtype
vortex-array/benches/to_arrow.rs
CodSpeed Performance Gauge
+2%
6.4 µs6.3 µs
decode_varbinview[(1000, 4)]
vortex-array/benches/dict_compress.rs
CodSpeed Performance Gauge
+2%
27.3 µs26.7 µs
append_arrow_buffer[128]
vortex-buffer/benches/vortex_bitbuffer.rs
CodSpeed Performance Gauge
+2%
1.4 µs1.4 µs
encode_varbin[(1000, 2)]
vortex-array/benches/dict_compress.rs
CodSpeed Performance Gauge
+2%
160.8 µs157.4 µs
new_bp_prim_test_between[i64, 2048]
encodings/fastlanes/benches/compute_between.rs::bitpack
CodSpeed Performance Gauge
+2%
48 µs47 µs
push_n_vortex_buffer[u16, 128]
vortex-buffer/benches/vortex_buffer.rs
CodSpeed Performance Gauge
+2%
1.6 µs1.6 µs

Commits

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Base
develop
70be73c
+0.01%
Emit Decimal32/Decimal64 from the Arrow exporter (on DataFusion 54)
6603fcf
1 day ago
by joseph-isaacs
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