mirror of
https://chromium.googlesource.com/libyuv/libyuv
synced 2026-10-28 18:07:12 +08:00
7c85a3a082
- avoids intrinsics API changes - build options for rvv not needed for inline instructions - declare vl and vtype clobbers instead of cc - tune for SiFive X280 using 16/32-bit loads and stores instead of vlseg/vsseg where more efficient - tune LMUL for SpacemiT K3 (256-bit vectors) with max m4 (m2 where constrained by register pressure or vlseg/vsseg field rules) - YUVTORGB use vmulhu NV12ToARGB performance estimates: CPU VLEN C Intrinsics Inline ASM Speedup (Inline) ------------------------------------------------------------------------ SiFive X390 1024-bit 360 ms 29 ms 9.5 ms 37.89x (3.05x) SiFive X280 512-bit 980 ms 115 ms 38.0 ms 25.79x (3.03x) SpacemiT K3 256-bit 420 ms 68 ms 28.0 ms 15.00x (2.43x) Google Coral 256-bit 1120 ms 190 ms 58.0 ms 19.31x (3.28x) T-Head C920 128-bit 510 ms 88 ms 39.0 ms 13.08x (2.26x) T-Head C908 128-bit 860 ms 145 ms 62.0 ms 13.87x (2.34x) Bug: b/443984359 Change-Id: If4097b99ced4cc2306f12236b8605994e713eecd Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8426529 Reviewed-by: richard winterton <rrwinterton@gmail.com> Commit-Queue: Frank Barchard <fbarchard@google.com>
14 lines
305 B
Plaintext
14 lines
305 B
Plaintext
Name: libyuv
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URL: https://chromium.googlesource.com/libyuv/libyuv/
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Version: 1972
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Revision: DEPS
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License: BSD-3-Clause
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License File: LICENSE
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Shipped: yes
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Security Critical: yes
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Update Mechanism: Manual
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Description:
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libyuv is an open source project that includes YUV conversion and scaling functionality.
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