示例#1
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def test_recursion():
    """
    Program:
       let f(n: i32, data: f32) -> f32 = {
          if (n == 0) {
              return data;
          } else {
              return f(n - 1, log(data));
          }
       }
       f(2, 10000);
    """
    f = relay.Var("f")
    n = relay.Var("n", e.int32)
    data = relay.Var("data", e.float32)
    funcbody = relay.If(
        equal(n, relay.const(0)), data,
        relay.Call(f, [subtract(n, relay.const(1.0)),
                       log(data)]))
    value = relay.Function([n, data], funcbody, e.float32, [])
    orig = relay.Let(
        f, funcbody,
        relay.Call(f,
                   [relay.const(2.0), relay.const(10000.0)]))
    assert alpha_equal(dead_code_elimination(orig), orig)
    assert alpha_equal(dead_code_elimination(relay.Let(f, funcbody, e.three)),
                       e.three)
示例#2
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def test_tuple_get_item():
    t = relay.Var('t')
    g = relay.TupleGetItem(t, 0)
    assert alpha_equal(dead_code_elimination(g), g)
    assert alpha_equal(
        dead_code_elimination(relay.TupleGetItem(relay.Let(e.a, e.one, t), 0)),
        g)
示例#3
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def test_recursion():
    """
    Program:
       let f(n: i32, data: f32) -> f32 = {
          if (n == 0) {
              return data;
          } else {
              return f(n - 1, log(data));
          }
       }
       f(2, 10000);
    """
    f = relay.Var("f")
    n = relay.Var("n")
    np = relay.Param(n, e.int32)
    data = relay.Var("data")
    datap = relay.Param(data, e.float32)
    funcbody = relay.If(equal(n, convert(0)), data,
                        f(subtract(n, convert(1.0)), log(data)))
    value = relay.Function([np, datap], e.float32, funcbody, [])
    orig = relay.Let(f, funcbody, f(convert(2.0), convert(10000.0)), e.float32)
    assert alpha_equal(dead_code_elimination(orig), orig)
    assert alpha_equal(
        dead_code_elimination(relay.Let(f, funcbody, e.three, e.float32)),
        e.three)
示例#4
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def test_recursion():
    """
    Program:
       let f(n: i32, data: f32) -> f32 = {
          if (n == 0) {
              return data;
          } else {
              return f(n - 1, log(data));
          }
       }
       f(2, 10000);
    """
    f = relay.Var("f")
    n = relay.Var("n", e.int32)
    data = relay.Var("data", e.float32)
    funcbody = relay.If(equal(n, relay.const(0)),
                        data,
                        relay.Call(f, [subtract(n, relay.const(1.0)),
                                       log(data)]))
    value = relay.Function([n, data], funcbody, e.float32, [])
    orig = relay.Let(f, value, relay.Call(f, [relay.const(2.0), relay.const(10000.0)]))
    assert alpha_equal(dead_code_elimination(orig), orig)
    assert alpha_equal(dead_code_elimination(relay.Let(f, value, e.three)), e.three)
示例#5
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def test_tuple_get_item():
    t = relay.Var('t')
    g = relay.TupleGetItem(t, 0)
    assert alpha_equal(dead_code_elimination(g), g)
    assert alpha_equal(dead_code_elimination(relay.TupleGetItem(relay.Let(e.a, e.one, t), 0)), g)
示例#6
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def test_op_let():
    assert alpha_equal(dead_code_elimination(add(relay.Let(e.a, e.one, e.three), e.two)), add(e.three, e.two))
示例#7
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def dcpe(expr):
    return dead_code_elimination(partial_evaluate(expr))
示例#8
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def test_op_let():
    assert alpha_equal(dead_code_elimination(add(relay.Let(e.a, e.one, e.three), e.two)), add(e.three, e.two))
示例#9
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def test_let():
    orig = relay.Let(e.x, e.y, e.z)
    assert alpha_equal(dead_code_elimination(orig), e.z)
示例#10
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def test_used_let():
    orig = relay.Let(e.c, e.one, e.c + e.c)
    assert alpha_equal(dead_code_elimination(orig), relay.Let(e.c, e.one, e.c + e.c))
示例#11
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def test_let():
    orig = relay.Let(e.x, e.y, e.z)
    assert alpha_equal(dead_code_elimination(orig), e.z)
示例#12
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def dcpe(expr):
    return dead_code_elimination(partial_evaluate(expr))
示例#13
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def test_if():
    orig = relay.If(convert(True), e.a, e.b)
    assert alpha_equal(dead_code_elimination(orig), e.a)
示例#14
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def test_used_let():
    orig = relay.Let(e.a, e.b, relay.Let(e.c, e.d, e.c, e.tt), e.tt)
    assert alpha_equal(dead_code_elimination(orig),
                       relay.Let(e.c, e.d, e.c, e.tt))
示例#15
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def test_used_let():
    orig = relay.Let(e.c, e.one, e.c + e.c)
    assert alpha_equal(dead_code_elimination(orig), relay.Let(e.c, e.one, e.c + e.c))
示例#16
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def test_inline():
    orig = relay.Let(e.a, e.b, relay.Let(e.c, e.d, e.c))
    assert alpha_equal(dead_code_elimination(orig), e.d)
示例#17
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def test_inline():
    orig = relay.Let(e.a, e.b, relay.Let(e.c, e.d, e.c))
    assert alpha_equal(dead_code_elimination(orig), e.d)
示例#18
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def test_chain_unused_let():
    orig = relay.Let(e.a, e.b, relay.Let(e.c, e.d, e.e))
    assert alpha_equal(dead_code_elimination(orig), e.e)
示例#19
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def test_chain_unused_let():
    orig = relay.Let(e.a, e.b, relay.Let(e.c, e.d, e.e))
    assert alpha_equal(dead_code_elimination(orig), e.e)
示例#20
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def test_if():
    cond = relay.const(True)
    orig = relay.If(cond, e.a, e.b)
    y = dead_code_elimination(orig)
    assert alpha_equal(y, e.a)
示例#21
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def dcpe(expr, mod=None):
    return dead_code_elimination(partial_evaluate(expr, mod=mod),
                                 inline_once=True)