derek.holloway
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73 lines
1.8 KiB
Python
73 lines
1.8 KiB
Python
# RUN: %PYTHON %s
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# Standalone sanity check of context life-cycle.
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import gc
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import mlir.ir
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assert mlir.ir.Context._get_live_count() == 0
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# Create first context.
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print("CREATE C1")
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c1 = mlir.ir.Context()
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assert mlir.ir.Context._get_live_count() == 1
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c1_repr = repr(c1)
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print("C1 = ", c1_repr)
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print("GETTING AGAIN...")
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c2 = c1._get_context_again()
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c2_repr = repr(c2)
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assert mlir.ir.Context._get_live_count() == 1
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assert c1_repr == c2_repr
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print("C2 =", c2)
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# Make sure new contexts on constructor.
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print("CREATE C3")
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c3 = mlir.ir.Context()
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assert mlir.ir.Context._get_live_count() == 2
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c3_repr = repr(c3)
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print("C3 =", c3)
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assert c3_repr != c1_repr
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print("FREE C3")
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c3 = None
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gc.collect()
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assert mlir.ir.Context._get_live_count() == 1
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print("Free C1")
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c1 = None
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gc.collect()
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assert mlir.ir.Context._get_live_count() == 1
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print("Free C2")
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c2 = None
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gc.collect()
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assert mlir.ir.Context._get_live_count() == 0
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# Create a context, get its capsule and create from capsule.
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c4 = mlir.ir.Context()
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c4_capsule = c4._CAPIPtr
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assert '"mlir.ir.Context._CAPIPtr"' in repr(c4_capsule)
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c5 = mlir.ir.Context._CAPICreate(c4_capsule)
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assert c4 is c5
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c4 = None
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c5 = None
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gc.collect()
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# Create a global threadpool and use it in two contexts
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tp = mlir.ir.ThreadPool()
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assert tp.get_max_concurrency() > 0
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c5 = mlir.ir.Context()
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c5.set_thread_pool(tp)
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assert c5.get_num_threads() == tp.get_max_concurrency()
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assert c5._mlir_thread_pool_ptr() == tp._mlir_thread_pool_ptr()
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c6 = mlir.ir.Context()
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c6.set_thread_pool(tp)
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assert c6.get_num_threads() == tp.get_max_concurrency()
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assert c6._mlir_thread_pool_ptr() == tp._mlir_thread_pool_ptr()
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c7 = mlir.ir.Context(thread_pool=tp)
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assert c7.get_num_threads() == tp.get_max_concurrency()
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assert c7._mlir_thread_pool_ptr() == tp._mlir_thread_pool_ptr()
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assert mlir.ir.Context._get_live_count() == 3
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c5 = None
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c6 = None
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c7 = None
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gc.collect()
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