I don't see a lot of memory growth, even on the 32bit version ... starts at 750MB and finishes with 850MB used by nvencc.exe
What I also noticed ... no matter what preset or rate factor ... the processing speed stays the same for a given resolution ... 4K is always around 75fps for me
Graphics driver was updated yesterday (451.48), but I'm not on Win10 May 2020 update yet, if that helps.
Quote:
PS C:\WINDOWS\system32> U:\Temp\nvenc\NVEncC.exe --cqp 25 --codec h265 --preset quality --profile main10 --level 5.1 --output-depth 10 --max-bitrate 30000 --aq --aq-temporal --output-buf 128 --master-display "G(13250,34500)B(7500,3000)R(34000,16000)WP(15635,16450)L(10000000,1)" --colormatrix bt2020nc --colorprim bt2020 --transfer smpte2084 --max-cll "1000,0" --chromaloc 2 --output "U:\Temp\ALITA_BATTLE_ANGEL_temp\ALITA_BATTLE_ANGEL.hevc" --input "U:\Temp\ALITA_BATTLE_ANGEL_temp\ALITA_BATTLE_ANGEL.h265" --repeat-headers
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Code:
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U:\Temp\ALITA_BATTLE_ANGEL_temp\ALITA_BATTLE_ANGEL.hevc
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NVEncC (x86) 5.08 (r1585) by rigaya, Jul 1 2020 14:48:28 (VC 1900/Win/avx2)
OS Version Windows 10 x64 (18363)
CPU Intel Core i7-6800K @ 3.40GHz [TB: 3.80GHz] (6C/12T)
GPU #0: GeForce GTX 1660 Ti (1536 cores, 1770 MHz)[2147483.64]
NVENC / CUDA NVENC API 9.1, CUDA 11.0, schedule mode: auto
Input Buffers CUDA, 16 frames
Input Info avcuvid: H.265/HEVC, 3840x2160, 24000/1001 fps
Vpp Filters copyDtoD
Output Info H.265/HEVC main10 @ Level 5.1
3840x2160p 1:1 23.976fps (24000/1001fps)
Encoder Preset quality
Rate Control CQP I:25 P:25 B:25
Lookahead off
GOP length 240 frames
B frames 3 frames [ref mode: disabled]
Ref frames 3 frames, MultiRef L0:auto L1:auto
AQ on
CU max / min auto / auto
VUI matrix:bt2020nc,colorprim:bt2020,transfer:smpte2084,chromaloc:topleft
MasteringDisp G(0.265000 0.690000) B(0.150000 0.060000) R(0.680000 0.320000)
WP(0.312700 0.329000) L(999.999975 0.000100)
MaxCLL/MaxFALL 1000/0
Others mv:auto repeat-headers
encoded 175440 frames, 76.88 fps, 7280.96 kbps, 6351.12 MB
encode time 0:38:02, CPU: 9.8%, GPU: 7.4%, VE: 99.2%, VD: 20.6%
frame type IDR 731
frame type I 731, total size 70.98 MB
frame type P 43860, total size 2313.22 MB
frame type B 130849, total size 3966.92 MB
Edit: 1080p runs at 175fps stable with above settings, no big memory increase either...