From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTP id 2AE5D4633E for ; Thu, 15 Jun 2023 10:37:45 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 14AAA68C527; Thu, 15 Jun 2023 13:37:03 +0300 (EEST) Received: from zg8tmty3ljk5ljewns4xndka.icoremail.net (zg8tmty3ljk5ljewns4xndka.icoremail.net [167.99.105.149]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 2F4EE68C462 for ; Thu, 15 Jun 2023 13:36:55 +0300 (EEST) Received: from host042-ubuntu-1804.lxd (unknown [10.12.130.38]) by app1 (Coremail) with SMTP id EwgMCgDnhMS_6Ypk6XcmAA--.44896S9; Thu, 15 Jun 2023 18:36:53 +0800 (CST) From: Peiting Shen To: ffmpeg-devel@ffmpeg.org Date: Thu, 15 Jun 2023 10:36:44 +0000 Message-Id: <20230615103645.25778-6-shenpeiting@eswincomputing.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230615103645.25778-1-shenpeiting@eswincomputing.com> References: <20230615103645.25778-1-shenpeiting@eswincomputing.com> X-CM-TRANSID: EwgMCgDnhMS_6Ypk6XcmAA--.44896S9 X-Coremail-Antispam: 1UD129KBjvJXoWxGF17GFykAw4rtw13uw1kGrg_yoW5Xw1DpF y3Kry7Aw43XrZxC3ZxGr17ZFZYqw1rKF4kJwnFya9xZay7XrnrGrn2va4Y9a4qq34DAr1a gry8tr13CF43Ar7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUBS14x267AKxVW5JVWrJwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JF0E3s1l82xGYI kIc2x26xkF7I0E14v26r1I6r4UM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2 z4x0Y4vE2Ix0cI8IcVAFwI0_tr0E3s1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F 4UJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0oVCq 3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7 IYx2IY67AKxVWUGVWUXwAv7VC2z280aVAFwI0_Gr0_Cr1lOx8S6xCaFVCjc4AY6r1j6r4U M4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwCY02Avz4vE-syl42xK82 IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC2 0s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1Y6r17MIIYrxkI7VAKI48JMI IF0xvE2Ix0cI8IcVAFwI0_Gr0_Xr1lIxAIcVC0I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF 0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVW8JVWxJwCI42IY6I8E87 Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjfUedb1UUUUU X-CM-SenderInfo: hvkh01phlwx03j6h245lqf0zpsxwx03jof0z/ Subject: [FFmpeg-devel] [PATCH 5/6] lavc/ac3dsp: RISC-V V ac3_compute_mantissa_size X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Cc: Shen Peiting MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: From: Shen Peiting Use RVV instruction vlsege to operate on matrix columns. Benchmarks on Spike(cycles): ac3_compute_mantissa_size_c: 2338 ac3_compute_mantissa_size_rvv: 55 Co-Authored by: Yang Xiaojun Co-Authored by: Huang Xing Co-Authored by: Zeng Fanchen Signed-off-by: Shen Peiting --- libavcodec/riscv/ac3dsp_init.c | 3 ++ libavcodec/riscv/ac3dsp_rvv.S | 53 ++++++++++++++++++++++++++++++++++ 2 files changed, 56 insertions(+) diff --git a/libavcodec/riscv/ac3dsp_init.c b/libavcodec/riscv/ac3dsp_init.c index d3aa20623a..4769213ebc 100644 --- a/libavcodec/riscv/ac3dsp_init.c +++ b/libavcodec/riscv/ac3dsp_init.c @@ -35,6 +35,8 @@ void ff_ac3_sum_square_butterfly_float_rvv(float sum[4], const float *coef1, int len); +void ff_ac3_compute_mantissa_size_rvv(uint16_t mant_cnt[6][16]); + av_cold void ff_ac3dsp_init_riscv(AC3DSPContext *c) { int flags = av_get_cpu_flags(); @@ -42,6 +44,7 @@ av_cold void ff_ac3dsp_init_riscv(AC3DSPContext *c) if (flags & AV_CPU_FLAG_RVV_I32) { c->ac3_exponent_min = ff_ac3_exponent_min_rvv; c->float_to_fixed24 = ff_float_to_fixed24_rvv; + c->compute_mantissa_size = ff_ac3_compute_mantissa_size_rvv; } if (flags & AV_CPU_FLAG_RVV_F32) c->sum_square_butterfly_float = ff_ac3_sum_square_butterfly_float_rvv; diff --git a/libavcodec/riscv/ac3dsp_rvv.S b/libavcodec/riscv/ac3dsp_rvv.S index 05a4d44938..cedd3d7d05 100644 --- a/libavcodec/riscv/ac3dsp_rvv.S +++ b/libavcodec/riscv/ac3dsp_rvv.S @@ -170,3 +170,56 @@ func ff_ac3_sum_square_butterfly_float_rvv, zve32f addi a0, a0, 4 ret endfunc + + +func ff_ac3_compute_mantissa_size_rvv, zve32x + li t1, 32 + li t2, 3 + vsetivli t0, 6, e16 + vlsseg5e16.v v0, (a0), t1 + #(clolum[[i]1]/3) + vdivu.vx v1, v1, t2 + li t3, 5 + vwmul.vx v22, v1, t3 + #(clolum[[i]2]/3) + vdivu.vx v2, v2, t2 + vwmacc.vx v22, t2, v3 + vsra.vi v4, v4, 1 + vadd.vv v4, v4, v2 + li t2, 7 + vwmacc.vx v22, t2, v4 + + addi a0, a0, 10 + vlsseg8e16.v v5, (a0), t1 + li t3, 4 + vwmacc.vx v22, t3, v5 + li t3, 5 + vwmacc.vx v22, t3, v6 + li t3, 6 + vwmacc.vx v22, t3, v7 + li t3, 7 + vwmacc.vx v22, t3, v8 + li t3, 8 + vwmacc.vx v22, t3, v9 + li t3, 9 + vwmacc.vx v22, t3, v10 + li t3, 10 + vwmacc.vx v22, t3, v11 + li t3, 11 + vwmacc.vx v22, t3, v12 + + addi a0, a0, 16 + vlsseg3e16.v v5, (a0), t1 + li t3, 12 + vwmacc.vx v22, t3, v5 + li t3, 14 + vwmacc.vx v22, t3, v6 + li t3, 16 + vwmacc.vx v22, t3, v7 + + vsetivli t0, 6, e32, m2 + vmv.s.x v30, x0 + vredsum.vs v30, v22, v30 + vmv.x.s a0, v30 + ret +endfunc -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".