Nothing
context("cuda")
test_that("cuda", {
skip_if_cuda_not_available()
expect_true(cuda_device_count() > 0)
expect_true(cuda_current_device() >= 0)
expect_true(cuda_is_available())
capability <- cuda_get_device_capability(cuda_current_device())
expect_type(capability, "integer")
expect_length(capability, 2)
expect_error(cuda_get_device_capability(cuda_device_count() + 1), "device must be an integer between 0 and")
})
test_that("cuda tensors", {
skip_if_cuda_not_available()
x <- torch_randn(10, 10, device = torch_device("cuda"))
expect_equal(x$device$type, "cuda")
expect_equal(x$device$index, 0)
})
test_that("cuda memory stats work", {
skip_if_cuda_not_available()
stats <- cuda_memory_stats()
expect_length(stats, 13)
})
test_that("can empty cache", {
skip_if_cuda_not_available()
x <- torch_randn(1000, 1000, device = "cuda")
stats <- cuda_memory_stats()
rm(x)
gc()
cuda_empty_cache()
stats_after <- cuda_memory_stats()
expect_true(stats_after$reserved_bytes$all$current < stats$reserved_bytes$all$current)
})
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