COA100% Active LaboratorySIMULATION

C Struct Memory Alignment & Hardware Padding Simulator

Silicon word boundary visualizer (32-bit and 64-bit architectures) illustrating how struct member ordering introduces invisible padding bytes to satisfy alignment rules.

Master Lab Guide Table of Contents Open in Compiler Studio

COA • SIMULATIONCache Memory Mapping & LRU Replacement Laboratory

COA • HARDWARE SIMULATOR12-bit Address Space

Cache Memory Mapping & LRU Replacement Laboratory

Hit Rate

0.0%

0 Hits / 0 Total

Miss Count

Compulsory / Conflict

Sets × Ways

4 × 2

Total Lines: 8

Address Breakdown

8 Tag | 2 Set | 2 Off

Total: 12 bits

Memory Address (Hex):

Address Bitfield Decomposition (12-bit binary: 000110100100):

Tag (8b)

00011010

0x1A

Set Index (2b)

Set 1

Offset (2b)

Byte 0

Cache SRAM Directory & Tag ArraysTargeting Set: Set 1

Set #	Way 0 (Valid \| Dirty \| Tag \| Data \| LRU)	Way 1 (Valid \| Dirty \| Tag \| Data \| LRU)
Set 0	V:0D:0Tag:0x--Empty	V:0D:0Tag:0x--Empty
Set 1 ◀ Target	V:0D:0Tag:0x--Empty	V:0D:0Tag:0x--Empty
Set 2	V:0D:0Tag:0x--Empty	V:0D:0Tag:0x--Empty
Set 3	V:0D:0Tag:0x--Empty	V:0D:0Tag:0x--Empty

Architectural Takeaway:

In TWO WAY, memory blocks can be placed in 2 possible lines in Set 1. Increasing associativity reduces conflict misses (caused when multiple addresses hash to the same set) at the cost of higher comparator hardware and multiplexer delay.

Want a step-by-step breakdown from our 4 AI Engineering Agents?

Mastery Standard: Complete all 3 tasks in the Lab Protocol to earn verified mastery credits.

Study Full Unit Notes →