Detailed Description

Benchmarks

Component	Specification
Computer Model	Lenovo ThinkPad P15v Gen 3
CPU	12th Gen Intel Core i7-12800H (20 logical, 14 physical cores)
Base Clock	2.80 GHz
Turbo Clock	4.80 GHz
L1 Data Cache	48 KiB (×6 P-cores) + 32 KiB (×8 E-cores)
L1 Instruction Cache	32 KiB (×6 P-cores) + 64 KiB (×2 E-core clusters)
L2 Unified Cache	1.25 MiB (×6 P-cores) + 2 MiB (×2 E-core clusters)
L3 Unified Cache	24 MiB (×1 shared)
RAM	DDR4-3200 (32GB)
GPU	NVIDIA RTX A2000 4GB GDDR6

Platform	OS	Benchmark Framework	C++ Compiler	nfx-lrucache Version
Linux	LMDE 7	Google Benchmark v1.9.4	GCC 14.2.0-x64	v0.1.0
Windows	Windows 10	Google Benchmark v1.9.4	MinGW GCC 14.2.0-x64	v0.1.0
Windows	Windows 10	Google Benchmark v1.9.4	Clang-GNU-CLI 19.1.5-x64	v0.1.0
Windows	Windows 10	Google Benchmark v1.9.4	Clang-MSVC-CLI 19.1.5-x64	v0.1.0
Windows	Windows 10	Google Benchmark v1.9.4	MSVC 19.44.35217.0-x64	v0.1.0

LRU Cache Operations

Operation	Linux GCC	Linux Clang	Windows MinGW GCC	Windows Clang-GNU-CLI	Windows Clang-MSVC-CLI	Windows MSVC
Construction_Default	13.4 ns	12.7 ns	65.6 ns	153 ns	105 ns	85.1 ns
Construction_WithOptions	108 ns	102 ns	431 ns	544 ns	375 ns	476 ns
Get_NewEntry	74.6 ns	75.0 ns	253 ns	461 ns	412 ns	370 ns
Get_ExistingEntry	33.3 ns	31.9 ns	141 ns	84.4 ns	58.6 ns	47.5 ns
Get_WithConfig	86.3 ns	88.4 ns	271 ns	552 ns	461 ns	382 ns
Find_Hit	34.8 ns	31.8 ns	137 ns	91.7 ns	64.1 ns	48.7 ns
Find_Miss	4.96 ns	5.37 ns	18.7 ns	28.8 ns	19.2 ns	14.6 ns
Remove	5.48 µs	5.39 µs	23.1 µs	23.6 µs	16.1 µs	15.1 µs
Clear/10	244 ns	241 ns	634 ns	878 ns	614 ns	497 ns
Clear/100	808 ns	798 ns	2.22 µs	2.98 µs	2.10 µs	1.96 µs
Clear/1000	5.41 µs	5.37 µs	16.6 µs	21.9 µs	16.0 µs	15.4 µs
Clear/10000	106 µs	102 µs	133 µs	218 µs	168 µs	164 µs
Size	2.67 ns	2.62 ns	10.8 ns	18.6 ns	14.6 ns	13.0 ns
IsEmpty	2.67 ns	2.85 ns	13.7 ns	19.3 ns	15.4 ns	14.0 ns
LRU_Eviction	774 ns	846 ns	1.69 µs	2.47 µs	2.02 µs	2.02 µs
LRU_Access_Pattern	4.42 µs	4.32 µs	9.26 µs	10.4 µs	8.68 µs	8.12 µs
CleanupExpired/10	387 ns	370 ns	784 ns	977 ns	838 ns	738 ns
CleanupExpired/100	2.38 µs	2.23 µs	5.00 µs	5.21 µs	4.60 µs	4.06 µs
CleanupExpired/1000	22.4 µs	21.2 µs	47.1 µs	48.0 µs	44.2 µs	38.9 µs
ComplexValue_Vector	916 ns	898 ns	1.59 µs	1.96 µs	1.91 µs	1.72 µs
ComplexValue_String	513 ns	538 ns	913 ns	706 ns	656 ns	585 ns
Scenario_DatabaseCache	40.0 ns	38.4 ns	85.5 ns	61.2 ns	56.4 ns	54.8 ns
Scenario_WebCache	34.4 ns	35.0 ns	84.5 ns	66.7 ns	63.3 ns	58.5 ns

Benchmarks executed on November 23, 2025