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| -rw-r--r-- | libjpegtwrp/README-VeNum | 20 |
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diff --git a/libjpegtwrp/README-VeNum b/libjpegtwrp/README-VeNum deleted file mode 100644 index ee51449c7..000000000 --- a/libjpegtwrp/README-VeNum +++ /dev/null @@ -1,20 +0,0 @@ -README-VeNum -Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum -================================================================= - -Consumers are increasingly browsing Web based photo galleries incorporating -high-resolution JPEG images with their mobile devices. These images are -decoded by the mobile device, and typically also scaled down to fit the user's -zoom selection on the device's browser. - -In order to improve both decode and download times, Qualcomm Innovation Center -has optimized the JPEG library found on many common OS platforms such as Web -OS, Android, and Chrome OS. Our team re-implemented several routines to utilize the -DSP-like SIMD capabilities of the ARM NEON instruction set. These were then -tuned and tested on Qualcomm's Snapdragon platform which implements the VeNum -implementation of these same instructions. - -The specific areas of focus cover VeNum/NEON acceleration of Inverse Discrete -Cosine Transform (iDCT) for 8x8, 4x4, 2x2, and 1x1 block sizes and YUV to RGB -color space conversion. This resulted in a range of 18-32% improvement in JPEG -decode and downscale times for images greater than 2Mpixels. |