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Test script:

#!/bin/bash
 
bd=/dev/mmcblk0p6
mp=/media/big
 
fgrep -q $bd /etc/mtab && umount $bd
mkfs.ext4 -q -m1 $bd
mount -o noatime,nodiratime,discard $bd $mp
#mkfs.btrfs $bd
#mount -o noatime,nodiratime,discard,ssd,compress=zlib $bd $mp
cd $mp
cp ~/Downloads/r16.tar.gz ./
echo "Unzip test"
time tar -xzf r16.tar.gz 
echo "Del test"
time rm -rf ac100-marvin24s-kernel

Simplified user version without formatting:

#!/bin/bash
 
wget -c "http://ge.tt/api/1/files/2KJjguO/0/blob?download" -O r16.tar.gz
echo "Unzip test"
time tar -xzf r16.tar.gz 
echo "Del test"
time rm -rf ac100-marvin24s-kernel

Results:

• ext4 noatime,nodiratime,discard

Unzip test
real	2m14.023s
user	0m27.990s
sys	0m19.360s

Del test
real	1m10.995s
user	0m0.320s
sys	0m9.750s

• nilfs2 noatime,nodiratime,discard

Unzip test
real    1m42.091s
user    0m37.550s
sys     0m24.060s

Del test
real    0m8.791s
user    0m0.350s
sys     0m5.580s

• btrfs noatime,nodiratime,discard,ssd,compress=lzo

Unzip test
real    1m50.623s
user    0m30.640s
sys     0m26.480s

Del test
real    0m11.551s
user    0m0.100s
sys     0m10.810s