...erations (double precision) per cycle be achieved on a modern x86-64 Intel CPU? 4 Answers ...

...< I get an error. parse error near '\n' – Nuno Gonçalves Sep 29 '19 at 20:32 add a commen...

...ocess(if run locally it will list the java process).Go to sampler, monitor CPU, take a snapshot after metod finishes. and you can get time taken by each method in call tree. its buddled in jvm/jdk. – arvin_v_s Jun 21 '17 at 4:13 ...

... @Rich.Carpenter: function pointers are nice for runtime CPU detection. Have multiple versions of some functions to take advantage of SSE, popcnt, AVX, etc. At startup, set your function pointers to the best version of each function for the current CPU. In your other code, just ...

...curacy and performance are going to be problematic. By performance I mean CPU execution time. – Jason S Jul 18 '12 at 16:41  |  show 6 more c...

...ou will not always get the same timing for a function. This is because the CPU of your machine can be less or more used by other processes running on your computer, just as your mind can be more or less concentrated when you solve a math exercise. In the human mind, we can remember the solution of a...

...nt to have a single event-driven process than 10^6 processes competing for CPU time. Also, under overload conditions, the multi-process model behaves very poorly, starving critical administration and management services, especially SSHD (meaning you can't even log into the box to figure out how scre...

... @FrançoisWahl: I said the same thing to myself not five seconds before reading your comment. MV* probably would have been more immediately obvious to the vast majority of software developers who are likely already familiar with t...

...nswered Jul 6 '15 at 16:34 YukuléléYukulélé 10.1k88 gold badges4848 silver badges7272 bronze badges ...

... new_table as select * from old_table WHERE 1=2. – KMån Feb 12 '10 at 9:38 add a comment ...