Task01 Вадим Козлов ИТМО

[six-nine]

Локальный вывод

$ ./main_aplusb_matrix
  Device #0: API: OpenCL. GPU. Apple M2 Pro. Total memory: 21845 Mb.
Using device #0: API: OpenCL. GPU. Apple M2 Pro. Total memory: 21845 Mb.
Using OpenCL API...
matrices size: 16384x8192 = 3 * 512 MB
Running BAD matrix kernel...
Kernels compilation done in 0.034766 seconds
a + b matrix kernel times (in seconds) - 10 values (min=0.045557 10%=0.045572 median=0.045623 90%=0.114009 max=0.114009)
a + b kernel median VRAM bandwidth: 32.8782 GB/s
Running GOOD matrix kernel...
Kernels compilation done in 0.004586 seconds
a + b matrix kernel times (in seconds) - 10 values (min=0.008698 10%=0.008725 median=0.008789 90%=0.047197 max=0.047197)
a + b kernel median VRAM bandwidth: 170.668 GB/s

Вывод Github CI

$ ./main_aplusb_matrix
...

[GPUcourseBOT]

✅ Результаты тестирования PR #1042

Логи тестирования (нажмите чтобы развернуть)

=== СТАТУС: Успешно выполнены программы: main_aplusb_matrix ===
=== main_aplusb_matrix stdout (exit code: -11 (segfault после выполнения)) ===
Found 1 GPUs in 8.57138 sec (CUDA: 0.114671 sec, OpenCL: 0.707158 sec, Vulkan: 7.74949 sec)
Available devices:
Device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using OpenCL API...
matrices size: 16384x8192 = 3 * 512 MB
Running BAD matrix kernel...
Kernels compilation done in 3.48946 seconds
a + b matrix kernel times (in seconds) - 10 values (min=0.006532 10%=0.006533 median=0.006536 90%=3.49609 max=3.49609)
a + b kernel median VRAM bandwidth: 229.498 GB/s
Running GOOD matrix kernel...
Kernels compilation done in 0.072696 seconds
a + b matrix kernel times (in seconds) - 10 values (min=0.010631 10%=0.010633 median=0.010639 90%=0.083395 max=0.083395)
a + b kernel median VRAM bandwidth: 140.991 GB/s

Посмотреть полные логи

[six-nine]

✅ Результаты тестирования PR #1042

Логи тестирования (нажмите чтобы развернуть)
=== СТАТУС: Успешно выполнены программы: main_aplusb_matrix ===
=== main_aplusb_matrix stdout (exit code: -11 (segfault после выполнения)) ===
Found 1 GPUs in 8.57138 sec (CUDA: 0.114671 sec, OpenCL: 0.707158 sec, Vulkan: 7.74949 sec)
Available devices:
Device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using OpenCL API...
matrices size: 16384x8192 = 3 * 512 MB
Running BAD matrix kernel...
Kernels compilation done in 3.48946 seconds
a + b matrix kernel times (in seconds) - 10 values (min=0.006532 10%=0.006533 median=0.006536 90%=3.49609 max=3.49609)
a + b kernel median VRAM bandwidth: 229.498 GB/s
Running GOOD matrix kernel...
Kernels compilation done in 0.072696 seconds
a + b matrix kernel times (in seconds) - 10 values (min=0.010631 10%=0.010633 median=0.010639 90%=0.083395 max=0.083395)
a + b kernel median VRAM bandwidth: 140.991 GB/s
Посмотреть полные логи

Что-то не то, пока дебажу...

[GPUcourseBOT]

✅ Результаты тестирования PR #1042

Логи тестирования (нажмите чтобы развернуть)

=== СТАТУС: Успешно выполнены программы: main_aplusb_matrix ===
=== main_aplusb_matrix stdout (exit code: -11 (segfault после выполнения)) ===
Found 1 GPUs in 8.55892 sec (CUDA: 0.113286 sec, OpenCL: 0.717539 sec, Vulkan: 7.72802 sec)
Available devices:
Device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using OpenCL API...
matrices size: 16384x8192 = 3 * 512 MB
Running BAD matrix kernel...
Kernels compilation done in 3.49659 seconds
a + b matrix kernel times (in seconds) - 10 values (min=0.031919 10%=0.031956 median=0.032117 90%=3.55054 max=3.55054)
a + b kernel median VRAM bandwidth: 46.7042 GB/s
Running GOOD matrix kernel...
Kernels compilation done in 0.069782 seconds
a + b matrix kernel times (in seconds) - 10 values (min=0.006273 10%=0.006279 median=0.006281 90%=0.076121 max=0.076121)
a + b kernel median VRAM bandwidth: 238.815 GB/s

Посмотреть полные логи