xrle is a compression algorithm inspired by RLE64 and lrrle. Compared to RLE64 and lrrle 64 bit variant,xrle is faster while having better compression ratio.
police.bmp
| Compressor | Compressed size | Ratio | Encoding speed | Decoding speed |
|---|---|---|---|---|
| xrle | 3827870 | x40.059 | 7652 MB/s | 5171 MB/s |
| RLE64 | 5007102 | x30.624 | 2354 MB/s | 2424 MB/s |
| lrrle,64 | 5007102 | x30.624 | 4894 MB/s | 5151 MB/s |
| lrrle,256 | 12097294 | x12.676 | 9194 MB/s | 5023 MB/s |
| memcpy | 153339294 | x 1.000 | 5333 MB/s | - |
gcc -c -O3 xrle.c -o xrle.o
For some reason clang produces unoptimized executable.See here.
BSD 2-Clause