Data Sources

Paper-reported benchmarks across 31 single-server PIR schemes, grouped by data source.

From Performance Data (23 schemes)

Exact values from reported benchmarks in the paper.

SchemeSource
2026 HarmonyTable 1
2026 IncrementalPIRTable 2
2025 DistributionalPIRSection 7.2.1, Figure 9, Figure 10, Table 12
2025 InsPIReTable 2, Table 3
2026 NPIRTable 1
2025 OnionPIRv2Table 2
2025 PirouetteTable 7
2025 VIA HintlessTable 1, Table 2
2025 VIA CompressTable 1, Table 2
2024 RespireTable 1, Table 2
2024 YPIRTable 2
2023 HintlessPIRTable 1, Table 2
2023 PianoTable 1
2024 RMS24Table 2, Table 3
2022 CwPIRTable 7, Table 8
2022 DoublePIRTable 1, Table 8
2022 FrodoPIRTable 6, Table 7
2022 SimplePIRTable 1, Table 8
2022 SpiralTable 3, Table 5
2021 OnionPIRTable 3, Table 4
2019 KeywordPIRTable 3, Table 4
2018 SealPIRFigure 9
2014 XPIRTable 2, Table 3

From Figures (5 schemes)

Approximate values read from paper figures or analytical cost models (no end-to-end implementation).

SchemeSourceHow estimated
2024 ThorPIRTable 2Analytical cost model: FHE op counts x measured per-op costs at N=230
2024 VeriSimplePIRFigure 7, Figure 8Values read from paper figures (approximate)
2024 WhisPIRFigure 1, Figure 2, Figure 4Values read from paper figures (approximate)
2021 Addra/FastPIRFigure 9, Figure 10Values read from paper figures (approximate, log-scale)
2016 XPIRFigure 6, Figure 7, Figure 8Values read from paper figures (approximate, log-scale charts)

From Asymptotics (3 schemes)

Derived from theoretical complexity bounds only.

SchemeSourceHow derived
2024 PlinkoFigure 1, Figure 6Asymptotic Õ(n/r) at r=√n for N=220 entries; no implementation
2024 WangRenTheorem 4.1Balanced tradeoff T=√n at N=220 entries; calibrated vs RMS24
2019 MulPIRSection 5, Appendix AAnalytical cost model: rate=4/9, ~1.72 mults/byte, ring dim 212