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(feature) Update gpu_stress_test.py #2

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(feature) Update gpu_stress_test.py #2

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15 changes: 14 additions & 1 deletion gpu_stress_test/gpu_stress_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -15,14 +15,27 @@

import torch

GPU_MEMORY_IN_GB = 40
# GPU_MEMORY_IN_GB = 40
MAX_RUNTIME = 5 * 60 # Run for 5 minutes

def get_gpu_memory_in_gb() -> float:
"""
Retrieves the total GPU memory using Pytorch and returns it in gigabytes.

Returns:
float: Total GPU memory in gigabytes, rounded up to the nearest whole number.
"""
free_mem, total_mem = torch.cuda.mem_get_info()

gpu_memory_in_gb = total_mem / 1_000_000_000 # 1 GB = 10^9 bytes

return math.ceil(gpu_memory_in_gb)

def run_load() -> str:
if not torch.cuda.is_available():
return "CUDA is not available"
# Get the array size for a square array that fills 1/4 of memory with 2 byte values
GPU_MEMORY_IN_GB = get_gpu_memory_in_gb()
arr_size = (((GPU_MEMORY_IN_GB / 4) * 10**9) / 2) ** (1 / 2)
arr_size = int(math.ceil(arr_size))
num_gpus = torch.cuda.device_count()
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