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0de26fd78e
Zlib-ng is zlib replacement with optimizations for "next generation" systems. Its optimization may benifits image library decode and encode speed such as libpng. In our tests, if using zlib-ng and libpng combination on a x86_64 machine with AVX2, the time of `imdecode` amd `imencode` will drop 20% approximately. This patch enables zlib-ng's optimization if `CV_DISABLE_OPTIMIZATION` is OFF. Since Zlib-ng can dispatch intrinsics on the fly, port work is much easier. Related discussion: https://github.com/opencv/opencv/issues/22573
19 lines
427 B
C
19 lines
427 B
C
/* riscv_features.h -- check for riscv features.
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*
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* Copyright (C) 2023 SiFive, Inc. All rights reserved.
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* Contributed by Alex Chiang <alex.chiang@sifive.com>
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*
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* For conditions of distribution and use, see copyright notice in zlib.h
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*/
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#ifndef RISCV_H_
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#define RISCV_H_
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struct riscv_cpu_features {
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int has_rvv;
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};
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void Z_INTERNAL riscv_check_features(struct riscv_cpu_features *features);
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#endif /* RISCV_H_ */
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