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| #!/usr/bin/env python | ||
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| ############################################################################## | ||
| ## YASK: Yet Another Stencil Kernel | ||
| ## Copyright (c) 2014-2018, Intel Corporation | ||
| ## | ||
| ## Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| ## of this software and associated documentation files (the "Software"), to | ||
| ## deal in the Software without restriction, including without limitation the | ||
| ## rights to use, copy, modify, merge, publish, distribute, sublicense, and/or | ||
| ## sell copies of the Software, and to permit persons to whom the Software is | ||
| ## furnished to do so, subject to the following conditions: | ||
| ## | ||
| ## * The above copyright notice and this permission notice shall be included in | ||
| ## all copies or substantial portions of the Software. | ||
| ## | ||
| ## THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| ## IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| ## FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| ## AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| ## LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
| ## FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS | ||
| ## IN THE SOFTWARE. | ||
| ############################################################################## | ||
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| ## Test the YASK stencil compiler API for Python. | ||
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| import yask_compiler | ||
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| if __name__ == "__main__": | ||
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| # Counter for exception test | ||
| num_exception = 0; | ||
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| # Compiler 'bootstrap' factories. | ||
| cfac = yask_compiler.yc_factory() | ||
| ofac = yask_compiler.yask_output_factory() | ||
| nfac = yask_compiler.yc_node_factory() | ||
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| # Create a new stencil solution. | ||
| soln = cfac.new_solution("api_py_test") | ||
| do = ofac.new_string_output() | ||
| soln.set_debug_output(do) | ||
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| # Define the problem dimensions. | ||
| t = nfac.new_step_index("t"); | ||
| x = nfac.new_domain_index("x"); | ||
| y = nfac.new_domain_index("y"); | ||
| z = nfac.new_domain_index("z"); | ||
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| # Create a grid var. | ||
| g1 = soln.new_grid("test_grid", [t, x, y, z]) | ||
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| # Create an expression for the new value. | ||
| # This will average some of the neighboring points around the | ||
| # current stencil application point in the current timestep. | ||
| n0 = g1.new_relative_grid_point([0, 0, 0, 0]) # center-point at this timestep. | ||
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| # Exception test | ||
| print("Exception Test: Call 'new_relative_grid_point' with wrong argument.") | ||
| try: | ||
| n1 = nfac.new_add_node(n0, g1.new_relative_grid_point([0, -1, 0, 0, 1])) # left. | ||
| except RuntimeError as e: | ||
| print ("YASK throws an exception.") | ||
| print (format(e)) | ||
| print ("Exception Test: Catch exception correctly.") | ||
| num_exception = num_exception + 1 | ||
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| n1 = nfac.new_add_node(n0, g1.new_relative_grid_point([0, -1, 0, 0])) # left. | ||
| n1 = nfac.new_add_node(n1, g1.new_relative_grid_point([0, 1, 0, 0])) # right. | ||
| n1 = nfac.new_add_node(n1, g1.new_relative_grid_point([0, 0, -1, 0])) # above. | ||
| n1 = nfac.new_add_node(n1, g1.new_relative_grid_point([0, 0, 1, 0])) # below. | ||
| n1 = nfac.new_add_node(n1, g1.new_relative_grid_point([0, 0, 0, -1])) # in front. | ||
| n1 = nfac.new_add_node(n1, g1.new_relative_grid_point([0, 0, 0, 1])) # behind. | ||
| n2 = nfac.new_divide_node(n1, nfac.new_const_number_node(7)) # div by 7. | ||
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| # Create an equation to define the value at the next timestep. | ||
| n3 = g1.new_relative_grid_point([1, 0, 0, 0]) # center-point at next timestep. | ||
| n4 = nfac.new_equation_node(n3, n2) # equate to expr n2. | ||
| print("Equation before formatting: " + n4.format_simple()) | ||
| print("Solution '" + soln.get_name() + "' contains " + | ||
| str(soln.get_num_grids()) + " grid(s), and " + | ||
| str(soln.get_num_equations()) + " equation(s).") | ||
| for grid in soln.get_grids() : | ||
| print("Grid " + grid.get_name() + | ||
| " has the following dim(s): " + | ||
| repr(grid.get_dim_names())); | ||
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| # Number of bytes in each FP value. | ||
| soln.set_element_bytes(4) | ||
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| # Exception test | ||
| print("Exception Test: Call 'new_file_output' with read-only file name.") | ||
| try: | ||
| dot_file = ofac.new_file_output("yc-api-test-with-exception-py-readonly") | ||
| except RuntimeError as e: | ||
| print ("YASK throws an exception.") | ||
| print (format(e)) | ||
| print ("Exception Test: Catch exception correctly.") | ||
| num_exception = num_exception + 1 | ||
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| # Generate DOT output. | ||
| dot_file = ofac.new_file_output("yc-api-test-with-exception-py.dot") | ||
| soln.format("dot", dot_file) | ||
| print("DOT-format written to '" + dot_file.get_filename() + "'.") | ||
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| # Generate YASK output. | ||
| yask_file = ofac.new_file_output("yc-api-test-with-exception-py.hpp") | ||
| soln.format("avx", yask_file) | ||
| print("YASK-format written to '" + yask_file.get_filename() + "'.") | ||
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| # Exception test | ||
| try: | ||
| soln.format("wrong_format", dot_file) | ||
| except RuntimeError as e: | ||
| print ("YASK throws an exception.") | ||
| print (format(e)) | ||
| print ("Exception Test: Catch exception correctly.") | ||
| num_exception = num_exception + 1 | ||
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| print("Equation after formatting: " + soln.get_equation(0).format_simple()) | ||
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| print("Debug output captured:\n" + do.get_string()) | ||
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| # Check whether program handles exceptions or not. | ||
| if num_exception != 3: | ||
| print("There is a problem in exception test.") | ||
| exit(1) | ||
| else: | ||
| print("End of YASK compiler API test with exception.") |
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