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Get actual free GPU memory in test_cache_int32_overflow #152

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Get actual free GPU memory in test_cache_int32_overflow #152

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4 changes: 2 additions & 2 deletions fbgemm_gpu/test/tbe/cache/cache_overflow_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -39,8 +39,8 @@ def test_cache_int32_overflow(self, stochastic_rounding: bool) -> None:
cache_sets = 10**6

current_device = torch.device(torch.cuda.current_device())
total_memory = torch.cuda.get_device_properties(current_device).total_memory
free_memory = total_memory - torch.cuda.memory_reserved(current_device)
free_memory, _ = torch.cuda.mem_get_info(current_device)
free_memory = int(free_memory * 0.8)

# Weight and cache precisions are fixed to FP16
element_size = 2
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