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Use new token format when generating new id tokens (#1854)
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jsdt authored Oct 19, 2024
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Benchmarking failed. Please check the workflow run for details.

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Callgrind benchmark results

Callgrind Benchmark Report

These benchmarks were run using callgrind,
an instruction-level profiler. They allow comparisons between sqlite (sqlite), SpacetimeDB running through a module (stdb_module), and the underlying SpacetimeDB data storage engine (stdb_raw). Callgrind emulates a CPU to collect the below estimates.

Measurement changes larger than five percent are in bold.

In-memory benchmarks

callgrind: empty transaction

db total reads + writes old total reads + writes Δrw estimated cycles old estimated cycles Δcycles
stdb_raw 5392 5392 0.00% 5500 5430 1.29%
sqlite 5579 5579 0.00% 5963 5967 -0.07%

callgrind: filter

db schema indices count preload _column data_type total reads + writes old total reads + writes Δrw estimated cycles old estimated cycles Δcycles
stdb_raw u32_u64_str no_index 64 128 1 u64 75558 75558 0.00% 76064 75896 0.22%
stdb_raw u32_u64_str no_index 64 128 2 string 117800 118056 -0.22% 118404 118552 -0.12%
stdb_raw u32_u64_str btree_each_column 64 128 2 string 24123 24082 0.17% 24667 24486 0.74%
stdb_raw u32_u64_str btree_each_column 64 128 1 u64 23075 23050 0.11% 23481 23356 0.54%
sqlite u32_u64_str no_index 64 128 2 string 144695 144695 0.00% 146087 146113 -0.02%
sqlite u32_u64_str no_index 64 128 1 u64 124044 124044 0.00% 125194 125252 -0.05%
sqlite u32_u64_str btree_each_column 64 128 1 u64 131361 131361 0.00% 132815 132753 0.05%
sqlite u32_u64_str btree_each_column 64 128 2 string 134494 134494 0.00% 136166 136072 0.07%

callgrind: insert bulk

db schema indices count preload total reads + writes old total reads + writes Δrw estimated cycles old estimated cycles Δcycles
stdb_raw u32_u64_str unique_0 64 128 900245 900638 -0.04% 948495 920762 3.01%
stdb_raw u32_u64_str btree_each_column 64 128 1049084 1053903 -0.46% 1103730 1115337 -1.04%
sqlite u32_u64_str unique_0 64 128 398344 398320 0.01% 417300 413142 1.01%
sqlite u32_u64_str btree_each_column 64 128 983637 983637 0.00% 1020269 1018503 0.17%

callgrind: iterate

db schema indices count total reads + writes old total reads + writes Δrw estimated cycles old estimated cycles Δcycles
stdb_raw u32_u64_str unique_0 1024 152784 152784 0.00% 152894 152862 0.02%
stdb_raw u32_u64_str unique_0 64 15809 15809 0.00% 15911 15879 0.20%
sqlite u32_u64_str unique_0 1024 1067255 1067255 0.00% 1070565 1070563 0.00%
sqlite u32_u64_str unique_0 64 76201 76201 0.00% 77249 77259 -0.01%

callgrind: serialize_product_value

count format total reads + writes old total reads + writes Δrw estimated cycles old estimated cycles Δcycles
64 json 47528 47528 0.00% 50150 50180 -0.06%
64 bsatn 25509 25509 0.00% 27685 27685 0.00%
16 bsatn 8200 8200 0.00% 9492 9492 0.00%
16 json 12188 12188 0.00% 14024 14092 -0.48%

callgrind: update bulk

db schema indices count preload total reads + writes old total reads + writes Δrw estimated cycles old estimated cycles Δcycles
stdb_raw u32_u64_str unique_0 1024 1024 20565104 20704502 -0.67% 20961460 21503972 -2.52%
stdb_raw u32_u64_str unique_0 64 128 1312145 1308896 0.25% 1343295 1395016 -3.71%
sqlite u32_u64_str unique_0 1024 1024 1802128 1802128 0.00% 1811580 1811108 0.03%
sqlite u32_u64_str unique_0 64 128 128474 128474 0.00% 131368 131220 0.11%
On-disk benchmarks

callgrind: empty transaction

db total reads + writes old total reads + writes Δrw estimated cycles old estimated cycles Δcycles
stdb_raw 5397 5397 0.00% 5505 5439 1.21%
sqlite 5621 5621 0.00% 6057 6105 -0.79%

callgrind: filter

db schema indices count preload _column data_type total reads + writes old total reads + writes Δrw estimated cycles old estimated cycles Δcycles
stdb_raw u32_u64_str no_index 64 128 1 u64 75563 75563 0.00% 76061 75893 0.22%
stdb_raw u32_u64_str no_index 64 128 2 string 117805 119150 -1.13% 118417 119642 -1.02%
stdb_raw u32_u64_str btree_each_column 64 128 2 string 24112 24087 0.10% 24664 24511 0.62%
stdb_raw u32_u64_str btree_each_column 64 128 1 u64 23080 23055 0.11% 23490 23357 0.57%
sqlite u32_u64_str no_index 64 128 1 u64 125965 125965 0.00% 127419 127521 -0.08%
sqlite u32_u64_str no_index 64 128 2 string 146616 146616 0.00% 148276 148362 -0.06%
sqlite u32_u64_str btree_each_column 64 128 2 string 136616 136616 0.00% 138618 138664 -0.03%
sqlite u32_u64_str btree_each_column 64 128 1 u64 133457 133457 0.00% 135327 135253 0.05%

callgrind: insert bulk

db schema indices count preload total reads + writes old total reads + writes Δrw estimated cycles old estimated cycles Δcycles
stdb_raw u32_u64_str unique_0 64 128 849349 851335 -0.23% 896327 901379 -0.56%
stdb_raw u32_u64_str btree_each_column 64 128 999699 999599 0.01% 1052753 1060041 -0.69%
sqlite u32_u64_str unique_0 64 128 415857 415857 0.00% 434111 429869 0.99%
sqlite u32_u64_str btree_each_column 64 128 1021904 1021904 0.00% 1057182 1055484 0.16%

callgrind: iterate

db schema indices count total reads + writes old total reads + writes Δrw estimated cycles old estimated cycles Δcycles
stdb_raw u32_u64_str unique_0 1024 152789 152789 0.00% 152891 152859 0.02%
stdb_raw u32_u64_str unique_0 64 15814 15814 0.00% 15916 15884 0.20%
sqlite u32_u64_str unique_0 1024 1070323 1070323 0.00% 1074079 1074105 -0.00%
sqlite u32_u64_str unique_0 64 77973 77973 0.00% 79233 79247 -0.02%

callgrind: serialize_product_value

count format total reads + writes old total reads + writes Δrw estimated cycles old estimated cycles Δcycles
64 json 47528 47528 0.00% 50150 50180 -0.06%
64 bsatn 25509 25509 0.00% 27685 27685 0.00%
16 bsatn 8200 8200 0.00% 9492 9492 0.00%
16 json 12188 12188 0.00% 14024 14092 -0.48%

callgrind: update bulk

db schema indices count preload total reads + writes old total reads + writes Δrw estimated cycles old estimated cycles Δcycles
stdb_raw u32_u64_str unique_0 1024 1024 19486152 19444399 0.21% 19973162 20318759 -1.70%
stdb_raw u32_u64_str unique_0 64 128 1264828 1262469 0.19% 1325812 1348485 -1.68%
sqlite u32_u64_str unique_0 1024 1024 1809689 1809689 0.00% 1818375 1818351 0.00%
sqlite u32_u64_str unique_0 64 128 132600 132600 0.00% 135646 135506 0.10%

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