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Hi I was surprised with size of Theora files and thought of feedback. Following 1minute duration Theora and Xvid files were made from a y4m file. The resolution is 1280x720: 1. Xvid 17MB 2. Ogg/Theora Q7 31MB 3. Ogg/Theora Q8 38MB 4. Ogg/Theora Q9 49MB 5. Ogg/Theora Q10 61MB The Xvid file was made using mencoder by 2 passes with following options: bitrate=2500:autoaspect:chroma_opt:vhq=4:bvhq=1:quant_type=mpeg:pass=1 The encoder_example was used to create Ogg/Theora files. It was noted y4m to Theora encoding was the fastest that I have ever...

...; GCC may be using “fat” intermediate objects by default, i.e. it > generates both the binary and the IR in the intermediates files > and the static archives. Are you saying I should strip files? > What is the size of the final clang binary itself? Interestingly the non-LTO clang-3.9 is 49MB while the LTO one if 58MB. >> Also, given a fresh 3.9 install, on an otherwise gcc/libstdc++ system, >> how can I configure and build with -DLLVM_ENABLE_LTO=Thin? Is this >> supported, or does it require the use of some libXX too? > > You need to have Gold installed, but th...

I'm tuning a samba 4.3 install on freebsd and I'm confused about aio settings. I've loaded the freebsd aio kernel module and tried various values or aio read size and aio write size, but it seems to make no difference in the speed. Using MS diskspd against a samba share from a fast zfs pool I get something like 25MB/s tops. That's well below the capacity of my Gb network and

Hey all, Ok, so I've been having some trouble for a while with an EC2 instance running CentOS 5.11 with a disk volume reporting 100% usage. Root is on an EBS volume. So I've tried the whole 'du -sk | sort -nr | head -10' routine all around this volume getting rid of files. At first I was getting rid of about 50MB of files. Yet the volume remains at 100% capacity. Thinking

I tried building llvm, clang, lld, lldb from the 3.9 svn release branch with LTO, and some of the results were unexpected. I first tried to rebuild llvm with llvm-3.9, which has ThinLTO, by providing -DLLVM_ENABLE_LTO=Thin, but that failed very quickly, so I fell back to building with -DLLVM_ENABLE_LTO=On and using the system CC/CXX (gcc 6.1). The resulting installed build is many times bigger

Hi all, as part of adopting Rails in my company I had to go through the hassle of setting up a Rails production environment on Win32 system since we mostly use MS SQL as our database back end and also because we mostly dealing with customers who become green-blue-purple as soon as you mention Unix/Linux and run for the door. I also need to mention that most of our web applications are internal and

...s (94000 files, 3Gb size), this process takes terribly long time (from 20 to 40 minutes). I perform some tests and results is: Directly to storage (single 2TB HDD): 158MB/s Directly to storage (RAID1 of 2 HDDs): 190MB/s To Replicated gluster volume: 89MB/s To Distributed-replicated gluster volume: 49MB/s Test command is: sync && echo 3 > /proc/sys/vm/drop_caches && dd if=/dev/zero of=gluster.test.bin bs=1G count=1 Switching direct-io on and off doesn't have effect. Playing with glusterfs options too. What I can do with performance? My volumes: Volume Name: nginx Type:...