"""Test code for upsampling""" import numpy as np import tvm import topi import topi.testing import math def verify_upsampling(batch, in_channel, in_height, in_width, scale, layout='NCHW', method="NEAREST_NEIGHBOR"): if layout == 'NCHW': A = tvm.placeholder((batch, in_channel, in_height, in_width), name='A') dtype = A.dtype out_shape = (batch, in_channel, in_height*scale, in_width*scale) a_np = np.random.uniform(size=(batch, in_channel, in_height, in_width)).astype(dtype) elif layout == 'NHWC': A = tvm.placeholder((batch, in_height, in_width, in_channel), name='A') dtype = A.dtype out_shape = (batch, in_height*scale, in_width*scale, in_channel) a_np = np.random.uniform(size=(batch, in_height, in_width, in_channel)).astype(dtype) else: raise NotImplementedError( 'Layout not supported {} '.format(layout)) B = topi.nn.upsampling(A, scale, layout=layout, method=method) if method == "BILINEAR": out_size = (in_height*scale, in_width*scale) b_np = topi.testing.bilinear_resize_python(a_np, out_size, layout) else: b_np = topi.testing.upsampling_python(a_np, scale, layout) def check_device(device): ctx = tvm.context(device, 0) if not ctx.exist: print("Skip because %s is not enabled" % device) return print("Running on target: %s" % device) with tvm.target.create(device): s = topi.generic.schedule_injective(B) a = tvm.nd.array(a_np, ctx) b = tvm.nd.array(np.zeros(out_shape, dtype=dtype), ctx) f = tvm.build(s, [A, B], device) f(a, b) np.testing.assert_allclose(b.asnumpy(), b_np, rtol=1e-5, atol=1e-5) for device in ['llvm', 'cuda', 'vulkan', 'nvptx']: check_device(device) def test_upsampling(): # NEAREST_NEIGHBOR - NCHW verify_upsampling(8, 16, 32, 32, 2) verify_upsampling(12, 32, 64, 64, 3) # NEAREST_NEIGHBOR - NHWC verify_upsampling(8, 16, 32, 32, 2, layout="NHWC") verify_upsampling(12, 32, 64, 64, 3, layout="NHWC") # BILINEAR - NCHW verify_upsampling(2, 2, 32, 32, 2, method="BILINEAR") verify_upsampling(2, 2, 32, 32, 3, method="BILINEAR") # BILINEAR - NHWC verify_upsampling(2, 2, 32, 32, 2, layout="NHWC", method="BILINEAR") verify_upsampling(2, 2, 32, 32, 3, layout="NHWC", method="BILINEAR") if __name__ == "__main__": test_upsampling()