Sumatra PDF is a slim, free, open-source PDF reader for Windows. Portable out of the box. Sumatra has a minimalistic design. Simplicity has a higher priority than a lot of features. It's small and starts up very fast. It's designed for portable use: only one file so you can run it from external USB drive. Doesn't write to registry.
- Added x64 compile for native x64 systems
- Compiled with Visual C++ 2012 RC instead of Visual C++ 2008 to achieve better quality code (32 bit executable is 4,362 Kb. instead of 4,364 Kb. in the official compile)
- Compiled with /fp:fast to increase floating-point operations performance at the cost of some precision loss not noticeable on SumatraPDFOpt
- Compiled with /Zp16 to get faster code when accesing data structures specially on newer CPU
- Compiled with /GA to get faster and smaller threading code
- Compiled with /GSto get faster and smaller variable accessing
- Compiled with /favor:blend to get a good execution speed in both AMD and Intel x64 CPUs
- Compiled with /vmb to get faster and smaller acceses to objects
- Compiled with /QIfist
- Linked with /opt:icf,4 to remove duplicate code in resulting executables
- Linked with /LARGEADDRESSAWARE to support addresses of up to 3 Gb. in x86 processors
- Linked with /WS:AGGRESSIVE to agressively reduce memory usage when inactive
- ZIP package created with KZIP 14/04/2007 to reduce distribution size
- Added pre-release branding that was missing in my latest builds
- Separate builds for x86 generic, x86 SSE, x86 SSE2 and x64 generic (x64 AMD and x64 Intel generate exactly the same code)
- Separate downloads per each optimized architecture
- Remaped check for updates URLs
- Downloads moved from Megaupload to website server
- Identified builds by the name Sumatra PDF Opt
- Added credit section on About dialog
- X64 SIMD accelerated JPEG Turbo decoding
- Optimization flags applied over more sets (Fitz, Freetype, libjpeg, ...)
- Added -O9 NASM optimization flag
- Using Profile Guided Optimizations (PGO) for all builds builds. 200 KB smaller, and 10% faster
- Activated BLACK_ON_YELLOW
- Linked with ASMLib 2.30 by Agner Fog (http://www.agner.org/optimize/) to get a slight speed increase and merory usage reduce
- Since http://nikkhokkho.sourceforge.net is the new permanent URL, all internal links has been properly updated
- Upgraded to NASM 2.10.03 with some x64 optimizations
- Synctex enhancements enabled again as per popular request
- Upgraded to VC++ 2012 that should fix SSE builds requiring SSE2, and improve overall stability and performance
- Executables compressed with MPRESS 2.19 with s compression, instead of UPX 3.07 to reduce executable size (32 bit executable is once compressed 1,650 Kb. instead of 2,105 Kb. in the official compile)
- Compiled with libjpeg-turbo 1.3 pre-beta r856
- Compiled with /GF to pool common strings making executable smaller
- Added PGO instrumentation for XPS, CBZ, CBR and DjVu files too. Optimized functions grow from 19% to 23%
- Enabled colored SumatraPDFOpt in main window
- Included SumatraPDF.chm multilanguage help file (English, Chinese, Spanish, Japanese, Portuguese, Russian, German and Romanian)
- Built with experimental ribbon interface (removed as of r4848)
- Based on SumatraPDF 2.2 r6623 (2012-09-09) code base
Reviewing 18.104.22.16876 Pre-Release (Aug 20, 2012)
1) the links on this page do not take one to the optimised builds
2) The optimised builds do not seem to have been updated in a while.
3) They are pointless as the original is perfect.
Reviewing 2.2.6564 Beta (Aug 17, 2012)
Excellent free software, small, fast & no added junk - Perfect for most users!
Reviewing 1.8.4301 Pre-Release (Aug 1, 2011)
IMHO _THE BEST_ PDF reader, lean, mean and just does the job it is designed to. This is good software.
Reviewing 1.5.3116 Pre-Release (Mar 27, 2011)
Oh red! Oh Yellow!
WTF is wrong with white and gray? I second ballyhairs on that.
But still, lite and free.
Reviewing 1.5.3116 Pre-Release (Mar 26, 2011)
My favorite PDF viewer. it also opens extremely complicated electronic schematics with no problems. Brilliant.
Red with white spots?
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