快速调整图片大小:T-REZ
jopen
10年前
一个超级快的图片大小调整Go库,构建opencv 和 jpeg-turbo 之上。
这个包能够保持图片品质,虽然专注于速度。它会剔除图片元信息如IPTC, EXIF, ColorSync profile等。
特性
当前支持:
fit
resize algofill
resize algobackground
colorgravity
in case offit
quality
of jpeg (default95
)
基准测试
On:
Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 24 On-line CPU(s) list: 0-23 Thread(s) per core: 2 Core(s) per socket: 6 Socket(s): 2 NUMA node(s): 2 Vendor ID: GenuineIntel CPU family: 6 Model: 45 Stepping: 7 CPU MHz: 1895.270 BogoMIPS: 3790.86 Virtualization: VT-x L1d cache: 32K L1i cache: 32K L2 cache: 256K L3 cache: 15360K NUMA node0 CPU(s): 0-5,12-17 NUMA node1 CPU(s): 6-11,18-23
运行24个线程:
$ GOMAXPROCS=24 go run bench/main.go -file testdata/American_Dad.jpg -size 200x200 -workers 24 ## Resize speed of 14000 resizes mean: 34.377864ms min: 20.395457ms max: 61.757311ms %99: 55.475588ms stdDev: 4.781191ms rate: 700.16 ops (images resized per second)