convert \ original.jpg \ -quality 85 \ -colorspace rgb \ -profile /var/tmp/sRGB.icm \ -strip \ -profile /var/tmp/sRGB.icm \ -filter Lanczos \ -write mpr:17JPCONV1-original \ +delete \ mpr:17JPCONV1-original -crop '3000x2001+0+491' -resize '190x126!>' -write thumbWide.jpg +delete \ mpr:17JPCONV1-original -crop '2981x2983+8+0' -resize '75x75!>' -write thumbStandard.jpg +delete \ mpr:17JPCONV1-original -crop '3000x2983+0+0' -resize '163x163!>' -write hpSmall.jpg +delete \ mpr:17JPCONV1-original -crop '3000x2983+0+0' -resize '1024x1019!>' -write jumbo.jpg +delete \ mpr:17JPCONV1-original -crop '3000x2983+0+0' -resize '190x189!>' -write articleInline.jpg +delete \ mpr:17JPCONV1-original -crop '3000x2983+0+0' -resize '2048x2037!>' -write superJumbo.jpg +delete \ mpr:17JPCONV1-original -crop '3000x2983+0+0' -resize '592x589!>' -write tmagArticle.jpg +delete \ mpr:17JPCONV1-original -crop '3000x2983+0+0' -resize '3000x2983!>' -write popup.jpg +delete \ mpr:17JPCONV1-original -crop '2981x2983+8+0' -resize '640x640!>' -write square640.jpg +delete \ mpr:17JPCONV1-original -crop '3000x1689+0+647' -resize '3000x1688!>' -write videoSmall.jpg +delete \ mpr:17JPCONV1-original -crop '3000x2983+0+0' -resize '503x500!>' -write slide.jpg +delete \ mpr:17JPCONV1-original -crop '2981x2983+8+0' -resize '151x151!>' -write moth.jpg +delete \ mpr:17JPCONV1-original -crop '3000x2001+0+491' -resize '337x225!>' -write hpMedium.jpg +delete \ mpr:17JPCONV1-original -crop '3000x2001+0+491' -resize '395x264!>' -write sfSpan.jpg +delete \ mpr:17JPCONV1-original -crop '3000x1689+0+647' -resize '3000x1688!>' -write videoLarge.jpg +delete \ mpr:17JPCONV1-original -crop '3000x1689+0+647' -resize '511x288!>' -write hpLarge.jpg +delete \ mpr:17JPCONV1-original -crop '2981x2983+8+0' -resize '320x320!>' -write square320.jpg +delete \ mpr:17JPCONV1-original -crop '3000x1689+0+647' -resize '600x338!>' -write articleLarge.jpg +delete \ mpr:17JPCONV1-original -crop '3000x2001+0+491' -resize '3000x2000!>' -write videoThumb.jpg +delete \ mpr:17JPCONV1-original -crop '2981x2983+8+0' -resize '150x150!>' -write thumbLarge.jpg +delete \ mpr:17JPCONV1-original -crop '3000x2983+0+0' -resize '533x530!>' -write blog533.jpg +delete \ mpr:17JPCONV1-original -crop '3000x2983+0+0' -resize '151x151!>' -write blogSmallInline.jpg +delete \ mpr:17JPCONV1-original -crop '3000x2983+0+0' -resize '362x360!>' -write tmagSF.jpg +delete \ mpr:17JPCONV1-original -crop '2981x2983+8+0' -resize '190x190!>' -write filmstrip.jpg +delete \ mpr:17JPCONV1-original -crop '3000x2983+0+0' -resize '480x478!>' -write blog480.jpg +delete \ mpr:17JPCONV1-original -crop '3000x2983+0+0' -resize '427x425!>' -write blog427.jpg +delete \ mpr:17JPCONV1-original -crop '2981x2983+8+0' -resize '50x50!>' -write blogSmallThumb.jpg +delete \ mpr:17JPCONV1-original -crop '3000x1401+0+791' -resize '151x70!>' miniMoth.jpg;
我试图从原始生成约30个作物使用一个命令(使用一个命令比使用每个作物的单个命令快得多)。但是,这需要很长时间(约30秒)才能完成。任何建议,以加快这一点? resize命令可以通过OpenCL利用GPU吗?ImageMagick批量调整大小性能
更新:
- 使用-thumbnail代替调整大小的改善的事情
- (感谢@AR的尖端)编译的ImageMagick用的libjpeg涡轮20%也提高倍
感谢您的回复。我应该注意到我的ImageMagick安装已经启用了OpenMP。换句话说,该命令跨多个核心并行化。任何其他方式来加速? – mantithetical 2012-07-30 20:29:45
@mantithetical:在Stackoverflow上,有人说'谢谢'通常会提高洞察力的答案。 :-) – 2012-07-30 21:16:52
@mantithetical:看到我上面更新的答案... – 2012-07-30 21:17:10