CacheMoneySim

Build

# WSL / Linux
gcc cacheSim.c -o cacheSim -lm

# Powershell / Windows
gcc cacheSim.c -o cacheSim 

Usage

./cacheSim   -s <cacheKB>   -b <blockBytes>   -a <associativity|-1>   -r <lr|lf|rr|ra|mr>   -p <physMB>   -u <systemMemPercent>   -n <instructionsPerSlice|-1>   -f <trace1> [-f <trace2> ...]

Parameters

Flag	Meaning	Allowed
-s	Cache size in KB	8–8192
-b	Block size in bytes	8–64
-a	Associativity (-1 = fully associative)	-1,1,2,4,8,16
-r	Replacement policy	lr,lf,rr,ra,mr
-p	Physical memory in MB	128–4096
-u	% of physical memory used by system	0–100
-n	Instructions per time slice (-1 = ALL)	≥1 or -1
-f	Trace filename (can repeat)	path

Example

./cacheSim -s 256 -b 64 -a 4 -r rr -p 1024 -u 20 -n 100000   -f traceA.txt -f traceB.txt


## Sample output (abridged)

Cache Simulator - XX XXXX - Team #04

Trace File(s): traceA.txt traceB.txt

***** Cache Input Parameters ***** Cache Size: 256 KB Block Size: 64 bytes Associativity: 4 Physical Memory: 1024 MB Percent Memory Used by System: 20.0% Instructions / Time Slice: 100000

***** Cache Calculated Values ***** Total # Blocks: 4096 Tag Size: 20 bits Index Size: 10 bits Total # Rows: 1024 Overhead Size: 12288 bytes Implementation Memory Size: 268.00 KB (274432 bytes) Cost: $18.76 @ $0.07 per KB

***** Physical Memory Calculated Values ***** Number of Physical Pages: 262144 Number of Pages for System: 52429 Size of Page Table Entry: 19 Total RAM for Page Table(s): 122880 bytes

## Notes and assumptions
- Page size is fixed at 4 KB.