\[ x y'(x)-y(x) \log (y(x))=0 \] ✓ Mathematica : cpu = 0.0759239 (sec), leaf count = 13
DSolve[-(Log[y[x]]*y[x]) + x*Derivative[1][y][x] == 0,y[x],x]
\[\left \{\left \{y(x)\to e^{e^{c_1} x}\right \}\right \}\] ✓ Maple : cpu = 0.08 (sec), leaf count = 8
dsolve(x*diff(y(x),x)-y(x)*ln(y(x)) = 0,y(x))
\[y \left (x \right ) = {\mathrm e}^{c_{1} x}\]