Reply to Re: PSP Dink - new version
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"Using PNGs to quicken the initial load from the memory disk isn't bad either"
I just spent the day trying to convert all dir.ff-BMPs to dir.ff-PNGs.
Conclusion: sadly it doesn't speed up the startup, it's even worse. Apparently decompressing the PNG is actually longer than loading a larger, raw BMP
Sample stats for splash.bmp:
splash.bmp: 302K
splash.png: 137K
fread(splash.bmp): 428ms
fread(splash.png): 189ms
IMG_Load(splash.bmp): 269ms
IMG_Load(splash.png): 327ms (!)
I feel like I'm hitting a wall with PSP optimization - it looks like only a special PSP version would be really efficient, not just a port, and I'm not interested in doing that :/
I just spent the day trying to convert all dir.ff-BMPs to dir.ff-PNGs.
Conclusion: sadly it doesn't speed up the startup, it's even worse. Apparently decompressing the PNG is actually longer than loading a larger, raw BMP
Sample stats for splash.bmp:
splash.bmp: 302K
splash.png: 137K
fread(splash.bmp): 428ms
fread(splash.png): 189ms
IMG_Load(splash.bmp): 269ms
IMG_Load(splash.png): 327ms (!)
I feel like I'm hitting a wall with PSP optimization - it looks like only a special PSP version would be really efficient, not just a port, and I'm not interested in doing that :/
