get_file_contents vs cURL

gistfile1.txt

1st: cURL              file_get_contents
-----------------------------------------
1.0124351978302sec     1.0169038772583sec
0.90987610816956sec    1.0693500041962sec
0.89837217330933sec    1.0413548946381sec
0.90827202796936sec    0.99870181083679sec
0.91177892684937sec    1.1312601566315sec
0.84878087043762sec    1.0564041137695sec
0.88983201980591sec    1.0654909610748sec
0.81813597679138sec    1.0291340351105sec
0.84040284156799sec    1.0273840427399sec
0.90080595016479sec    1.0197122097015sec

2nd: cURL              file_get_contents
-----------------------------------------
0.9907398223877sec     0.97873902320862sec
0.91662502288818sec    1.0334460735321sec
0.86091208457947sec    1.0969879627228sec
0.93694710731506sec    1.0249400138855sec
0.96018004417419sec    0.99944305419922sec
0.85241007804871sec    1.0548520088196sec
0.85924506187439sec    1.0851740837097sec
0.92695498466492sec    0.99184894561768sec
0.83893299102783sec    1.1125190258026sec
0.91253304481506sec    1.0421929359436sec

3rd: cURL              file_get_contents
-----------------------------------------
0.95153498649597sec    0.98753786087036sec
1.1158730983734sec     1.0699620246887sec
0.84479713439941sec    1.0442531108856sec
0.92809295654297sec    1.0529701709747sec
0.92454504966736sec    1.0289750099182sec
0.87655282020569sec    1.0829260349274sec
0.86545014381409sec    1.0520060062408sec
0.85075712203979sec    0.9972198009491sec
0.87338709831238sec    1.019376039505sec
0.91639995574951sec    1.0820300579071sec