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How do I get Windows to go as fast as Linux for compiling C++?
...d the "/m" switch, and it will automatically start one copy of MSBuild per CPU core.
Put your files on an SSD -- helps hugely for random I/O.
If your average file size is much greater than 4KB, consider rebuilding the filesystem with a larger cluster size that corresponds roughly to your average fil...
Do any JVM's JIT compilers generate code that uses vectorized floating point instructions?
...java -jar javacpp.jar Dot.java -exec
With an Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz, Fedora 30, GCC 9.1.1, and OpenJDK 8 or 11, I get this kind of output:
dot(): 39 ns
dotc(): 16 ns
Or roughly 2.4 times faster. We need to use direct NIO buffers instead of arrays, but HotSpot can access direc...
Why does visual studio 2012 not find my tests?
...
This was it for me. In a solution with mix of x86, Any CPU, x64, one particular project's tests weren't being found. I cleaned the solution, changed the test setting's default architecture, and rebuilt and then everything could be seen. It really makes no sense, since changing th...
How can you disable Git integration in Visual Studio 2013 permanently?
... process that lingers around after VS crashes leaving at least one of your CPU's pinned, otherwise you can do this over and over and it won't stick. But so happy when it does and no registry hack required!
– Atters
Mar 27 '16 at 4:08
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Is there an auto increment in sqlite?
...old & italic are mine):
The AUTOINCREMENT keyword imposes extra CPU, memory, disk space, and
disk I/O overhead and should be avoided if not strictly needed. It is
usually not needed.
In SQLite, a column with type INTEGER PRIMARY KEY is an alias for the
ROWID (except in WITHOUT ROW...
Why would you use an ivar?
...ot spots, but none of these inefficiencies are hot spots on their own. The CPU time is just averagely spread among them, yet each of them only has such a tiny fraction of it, it seems a total waste of time to optimize it. And it's true, optimizing just one of them would help absolutely nothing, opti...
Multiprocessing: How to use Pool.map on a function defined in a class?
...eak
q_out.put((i, f(x)))
def parmap(f, X, nprocs=multiprocessing.cpu_count()):
q_in = multiprocessing.Queue(1)
q_out = multiprocessing.Queue()
proc = [multiprocessing.Process(target=fun, args=(f, q_in, q_out))
for _ in range(nprocs)]
for p in proc:
p.da...
Postgres: “ERROR: cached plan must not change result type”
...stgres 10 instance, enabling the conservative setting does result in extra CPU usage on the database server. It wasn't much though, I could only even see the autosave functionality show up as using a measurable amount of CPU after I'd tuned every single query my load test was using and started push...
pdftk compression option
...okmarks TOC are gone
gs screen:
takes a ridiculously long time and 100% CPU
errors:
sfopen: gs_parse_file_name failed. ?
| ./base/gsicc_manage.c:1651: gsicc_set_device_profile(): cannot find device profile
74.8MB-->10.2MB hideously pixellated
bookmarks ...
Why does Android use Java? [closed]
...ication thing - this sounds interesting. Correct me if I am wrong, but x86 CPUs have biult in protection via paging and ring modes, therefore application cannot change its page in memory therefore cannot interfere with another app other than using OS API. But does this feature have ARM CPUs? I actua...