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8 changes: 8 additions & 0 deletions .idea/.gitignore

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1 change: 1 addition & 0 deletions .idea/.name

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2 changes: 2 additions & 0 deletions .idea/Homework-2.iml

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102 changes: 102 additions & 0 deletions .idea/editor.xml

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7 changes: 7 additions & 0 deletions .idea/misc.xml

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8 changes: 8 additions & 0 deletions .idea/modules.xml

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6 changes: 6 additions & 0 deletions .idea/vcs.xml

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4 changes: 2 additions & 2 deletions CMakeLists.txt
Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.10)

project(MatrixMultiplication)

set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD 17)

set(CMAKE_CXX_STANDARD_REQUIRED ON)

Expand All @@ -17,7 +17,7 @@ if(APPLE)
endif()


add_executable(matmul main_ans.cpp)
add_executable(matmul main.cpp)


if(OpenMP_CXX_FOUND)
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20 changes: 19 additions & 1 deletion README.md
Original file line number Diff line number Diff line change
Expand Up @@ -235,4 +235,22 @@ git push origin student-name
- Validate each implementation against `output.raw` to ensure correctness before optimizing.
- Use small test cases to debug your blocked and parallel implementations.

Good luck, and enjoy optimizing your matrix multiplication!
Good luck, and enjoy optimizing your matrix multiplication!



Kalle Fjäder Results


| Case | Dimensions (m × n × p) | Naive (s) | Blocked (s) | Parallel (s) | Blocked × | Parallel × |
|------|-----------------------|-----------|-------------|--------------|-----------|------------|
| 0 | 64 × 64 × 64 | 0.0020 | 0.0040 | 0.0020 | 0.50 | 1.00 |
| 1 | 128 × 64 × 128 | 0.0080 | 0.0070 | 0.0030 | 1.14 | 2.67 |
| 2 | 100 × 128 × 56 | 0.0080 | 0.0080 | 0.0020 | 1.00 | 4.00 |
| 3 | 128 × 64 × 128 | 0.0040 | 0.0090 | 0.0040 | 0.44 | 1.00 |
| 4 | 32 × 128 × 32 | 0.0014 | 0.0020 | 0.0014 | 0.69 | 1.00 |
| 5 | 200 × 100 × 256| 0.0240 | 0.0250 | 0.0100 | 0.96 | 2.40 |
| 6 | 256 × 256 × 256| 0.0990 | 0.0800 | 0.0200 | 1.24 | 4.95 |
| 7 | 256 × 300 × 256| 0.0720 | 0.0910 | 0.0230 | 0.79 | 3.13 |
| 8 | 64 × 128 × 64 | 0.0080 | 0.0040 | 0.0020 | 2.00 | 4.00 |
| 9 | 256 × 256 × 257| 0.0590 | 0.1020 | 0.0210 | 0.58 | 2.81 |
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