rewrite_gelu_test.cpp

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#include <migraphx/rewrite_gelu.hpp>
#include <migraphx/dead_code_elimination.hpp>
#include <migraphx/program.hpp>
#include <migraphx/ref/target.hpp>
#include <migraphx/op/convolution.hpp>
#include <migraphx/op/reshape.hpp>
#include <migraphx/instruction.hpp>
#include <migraphx/generate.hpp>
#include <migraphx/ranges.hpp>
#include <test.hpp>
#include <migraphx/make_op.hpp>
#include <migraphx/common.hpp>

#include <migraphx/serialize.hpp>

#include <migraphx/verify.hpp>

TEST_CASE(bias_gelu)
{
    migraphx::shape s1{migraphx::shape::half_type, {2, 4, 8}};
    migraphx::shape s2{migraphx::shape::half_type};
    migraphx::module m1;
    {
        auto a    = m1.add_parameter("a", s1);
        auto b    = m1.add_parameter("b", s1);
        auto add1 = m1.add_instruction(migraphx::make_op("add"), a, b);
        auto l1   = m1.add_literal(migraphx::literal{s2, {1.4140625f}});
        auto div  = add_common_op(m1, migraphx::make_op("div"), {add1, l1});
        auto erf  = m1.add_instruction(migraphx::make_op("erf"), div);
        auto l2   = m1.add_literal(migraphx::literal{s2, {1.0f}});
        auto add2 = add_common_op(m1, migraphx::make_op("add"), {erf, l2});
        auto mul  = m1.add_instruction(migraphx::make_op("mul"), add1, add2);
        auto l3   = m1.add_literal(migraphx::literal{s2, {0.5f}});
        mul       = add_common_op(m1, migraphx::make_op("mul"), {mul, l3});
        m1.add_return({mul});
    }
    migraphx::rewrite_gelu pass;
    pass.apply(m1);
    migraphx::dead_code_elimination dce;
    dce.apply(m1);

    migraphx::module m2;
    {
        auto a   = m2.add_parameter("a", s1);
        auto b   = m2.add_parameter("b", s1);
        auto add = m2.add_instruction(migraphx::make_op("add"), a, b);
        auto l1  = m2.add_literal(migraphx::literal{s2, {1.702f}});
        auto mul = add_common_op(m2, migraphx::make_op("mul"), {add, l1});
        auto sig = m2.add_instruction(migraphx::make_op("neg"), mul);
        sig      = m2.add_instruction(migraphx::make_op("exp"), sig);
        auto l2  = m2.add_literal(migraphx::literal{s2, {1.0f}});
        sig      = add_common_op(m2, migraphx::make_op("add"), {sig, l2});
        sig      = m2.add_instruction(migraphx::make_op("div"), add, sig);
        m2.add_return({sig});
    }

    EXPECT(m1 == m2);
}

TEST_CASE(non_bias_gelu)
{
    migraphx::shape s1{migraphx::shape::half_type, {2, 4, 8}};
    migraphx::shape s2{migraphx::shape::half_type};
    migraphx::module m1;
    {
        auto a    = m1.add_parameter("a", s1);
        auto b    = m1.add_parameter("b", s1);
        auto sub  = m1.add_instruction(migraphx::make_op("sub"), a, b);
        auto l1   = m1.add_literal(migraphx::literal{s2, {1.4140625f}});
        auto div  = add_common_op(m1, migraphx::make_op("div"), {sub, l1});
        auto erf  = m1.add_instruction(migraphx::make_op("erf"), div);
        auto l2   = m1.add_literal(migraphx::literal{s2, {1.0f}});
        auto add2 = add_common_op(m1, migraphx::make_op("add"), {erf, l2});
        auto mul  = m1.add_instruction(migraphx::make_op("mul"), sub, add2);
        auto l3   = m1.add_literal(migraphx::literal{s2, {0.5f}});
        mul       = add_common_op(m1, migraphx::make_op("mul"), {mul, l3});
        m1.add_return({mul});
    }
    migraphx::rewrite_gelu pass;
    pass.apply(m1);
    migraphx::dead_code_elimination dce;
    dce.apply(m1);

    migraphx::module m2;
    {
        auto a   = m2.add_parameter("a", s1);
        auto b   = m2.add_parameter("b", s1);
        auto sub = m2.add_instruction(migraphx::make_op("sub"), a, b);
        auto l1  = m2.add_literal(migraphx::literal{s2, {1.702f}});
        auto mul = add_common_op(m2, migraphx::make_op("mul"), {sub, l1});
        auto sig = m2.add_instruction(migraphx::make_op("neg"), mul);
        sig      = m2.add_instruction(migraphx::make_op("exp"), sig);
        auto l2  = m2.add_literal(migraphx::literal{s2, {1.0f}});
        sig      = add_common_op(m2, migraphx::make_op("add"), {sig, l2});
        sig      = m2.add_instruction(migraphx::make_op("div"), sub, sig);
        m2.add_return({sig});
    }

    EXPECT(m1 == m2);
}

int main(int argc, const char* argv[]) { test::run(argc, argv); }