示例#1
0
    def testBasic(self):
        graph = Graph()
        opDataProvider = OpArrayPiperWithAccessCount(graph=graph)
        opCache = OpUnblockedArrayCache(graph=graph)

        data = np.random.random((100, 100, 100)).astype(np.float32)
        opDataProvider.Input.setValue(vigra.taggedView(data, 'zyx'))
        opCache.Input.connect(opDataProvider.Output)

        assert opCache.CleanBlocks.value == []

        roi = ((30, 30, 30), (50, 50, 50))
        cache_data = opCache.Output(*roi).wait()
        assert (cache_data == data[roiToSlice(*roi)]).all()
        assert opDataProvider.accessCount == 1
        assert opCache.CleanBlocks.value == [roiToSlice(*roi)]

        # Request the same data a second time.
        # Access count should not change.
        cache_data = opCache.Output(*roi).wait()
        assert (cache_data == data[roiToSlice(*roi)]).all()
        assert opDataProvider.accessCount == 1
        assert opCache.CleanBlocks.value == [roiToSlice(*roi)]

        # Now invalidate a part of the data
        # The cache will discard it, so the access count should increase.
        opDataProvider.Input.setDirty((30, 30, 30), (31, 31, 31))
        assert opCache.CleanBlocks.value == []
        cache_data = opCache.Output(*roi).wait()
        assert (cache_data == data[roiToSlice(*roi)]).all()
        assert opDataProvider.accessCount == 2

        # Repeat this next part just for safety
        for _ in range(10):
            # Make sure the cache is empty
            opDataProvider.Input.setDirty((30, 30, 30), (31, 31, 31))
            opDataProvider.accessCount = 0

            # Create many requests for the same data.
            # Upstream data should only be accessed ONCE.
            pool = RequestPool()
            for _ in range(10):
                pool.add(opCache.Output(*roi))
            pool.wait()
            assert opDataProvider.accessCount == 1

        # Also, make sure requests for INNER rois of stored blocks are also serviced from memory
        opDataProvider.accessCount = 0
        inner_roi = ((35, 35, 35), (45, 45, 45))
        cache_data = opCache.Output(*inner_roi).wait()
        assert (cache_data == data[roiToSlice(*inner_roi)]).all()
        assert opDataProvider.accessCount == 0
        assert opCache.CleanBlocks.value == [roiToSlice(*roi)]
    def testBasic(self):
        graph = Graph()
        opDataProvider = OpArrayPiperWithAccessCount(graph=graph)
        opCache = OpUnblockedArrayCache(graph=graph)

        data = np.random.random((100, 100, 100)).astype(np.float32)
        opDataProvider.Input.setValue(vigra.taggedView(data, "zyx"))
        opCache.Input.connect(opDataProvider.Output)

        assert opCache.CleanBlocks.value == []

        roi = ((30, 30, 30), (50, 50, 50))
        cache_data = opCache.Output(*roi).wait()
        assert (cache_data == data[roiToSlice(*roi)]).all()
        assert opDataProvider.accessCount == 1
        assert opCache.CleanBlocks.value == [roiToSlice(*roi)]

        # Request the same data a second time.
        # Access count should not change.
        cache_data = opCache.Output(*roi).wait()
        assert (cache_data == data[roiToSlice(*roi)]).all()
        assert opDataProvider.accessCount == 1
        assert opCache.CleanBlocks.value == [roiToSlice(*roi)]

        # Now invalidate a part of the data
        # The cache will discard it, so the access count should increase.
        opDataProvider.Input.setDirty((30, 30, 30), (31, 31, 31))
        assert opCache.CleanBlocks.value == []
        cache_data = opCache.Output(*roi).wait()
        assert (cache_data == data[roiToSlice(*roi)]).all()
        assert opDataProvider.accessCount == 2

        # Repeat this next part just for safety
        for _ in range(10):
            # Make sure the cache is empty
            opDataProvider.Input.setDirty((30, 30, 30), (31, 31, 31))
            opDataProvider.accessCount = 0

            # Create many requests for the same data.
            # Upstream data should only be accessed ONCE.
            pool = RequestPool()
            for _ in range(10):
                pool.add(opCache.Output(*roi))
            pool.wait()
            assert opDataProvider.accessCount == 1

        # Also, make sure requests for INNER rois of stored blocks are also serviced from memory
        opDataProvider.accessCount = 0
        inner_roi = ((35, 35, 35), (45, 45, 45))
        cache_data = opCache.Output(*inner_roi).wait()
        assert (cache_data == data[roiToSlice(*inner_roi)]).all()
        assert opDataProvider.accessCount == 0
        assert opCache.CleanBlocks.value == [roiToSlice(*roi)]