Are the following timings to be expected?

sage: R = SymmetricFunctions(QQ).h().fraction_field()
sage: P = PolynomialRing(R, 200, "x")
sage: e = P.gen(199); e
x199
sage: %time e.gcd(e)
CPU times: user 41.1 s, sys: 2.24 s, total: 43.4 s
Wall time: 43.5 s
x199

sage: R = QQ
sage: P = PolynomialRing(R, 200, "x")
sage: e = P.gen(199); e
x199
sage: %time e.gcd(e)
CPU times: user 41 µs, sys: 0 ns, total: 41 µs
Wall time: 47 µs
x199

sage: R = QQbar
sage: P = PolynomialRing(R, 200, "x")
sage: e = P.gen(199); e
x199
sage: %time e.gcd(e)
CPU times: user 3.02 s, sys: 183 ms, total: 3.2 s
Wall time: 3.21 s
x199

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