While the compile test heavily favored Btrfs, the initial create test in Compile Bench heavily favored EXT4 on both drives.
F2FS was the fastest file-system for PostMark on the consumer SSD followed by XFS. On the HDD, XFS was the fastest file-system. For both drives, Btrfs was the slowest.
These results aren't too different from Phoronix tests carried out on earlier versions of the Linux kernel, but simply reiterate that depending upon the particular disk workload, the fastest Linux file-system may differ. This is also only looking at results for a single disk with the stock/default mount options. Overall, F2FS was the fastest for the solid-state drive but not many production users may be ready to yet put their faith into this brand new Linux file-system. Meanwhile, EXT4 and XFS are proven and tested and generally running quite well. Btrfs didn't win as many tests as it once did, but it does continue to offer a plethora of advanced file-system features.