Sets the Java heap occupancy threshold that triggers a marking cycle. The default occupancy is forty five percent of your entire Java heap.
Returns the hyperbolic cosine of a double worth. The hyperbolic cosine of x is described to be (ex + e-x)/2 in which e is Euler's quantity. Distinctive conditions: Should the argument is NaN, then The end result is NaN.
Sets the prefetch instruction to prefetch forward with the allocation pointer. Only the Java HotSpot Server VM supports this feature. Achievable values are from 0 to 3. The particular Directions driving the values depend on the System. By default, the prefetch instruction is ready to 0:
If get started is ±Double.MIN_VALUE and way has a value this sort of that the result should have a lesser magnitude, then a zero Together with the exact indicator as commence is returned. If start out is infinite and way has a value these types of that the result ought to have a lesser magnitude, Double.MAX_VALUE Together with the exact same sign as begin is returned. If start off is equivalent to ± Double.MAX_VALUE and course has a value this kind of that The end result ought to have a bigger magnitude, an infinity with identical indicator as start out is returned.
If the argument is NaN or fewer than zero, then The end result is NaN. If the argument is optimistic infinity, then The end result is constructive infinity. When the argument is positive zero or adverse zero, then the result is similar to the argument.
Sets the maximum code click resources cache dimension (in bytes) for JIT-compiled code. Append the letter k or K to indicate kilobytes, m or M to indicate megabytes, or g or G to point gigabytes. The default greatest code cache size is 240 MB; when you disable tiered compilation with the choice -XX:-TieredCompilation, then the default dimension is go to this web-site 48 MB.
Sets the value on the STW employee threads. Sets the value of n to the amount of reasonable processors. The value of n is the same as the quantity of sensible processors around a value of eight.
Logs messages tagged with a minimum of the gc and meta tags working with thetrace level on the file metatrace.txt but turns off all messages tagged with course.
Logs messages tagged While using the gc tag using the default 'information' level to default the outputstdout and uses decorations uptime and tid. The default configuration for all other messages at levelwarning continues to be visit their website in influence.
This ratio is utilized when the -XX:+UseRTMDeopt option is enabled. The default worth of this feature is 50. This means that the compiled code is deoptimized if fifty% of all transactions are aborted.
Sets the Original code cache dimension (in bytes). Append the letter k or K to indicate kilobytes, m or M to point megabytes, or g or G to point gigabytes.
The defaults for both of these possibilities are 70% and 40% respectively. Because efficiency sacrifices can arise when working with these compact settings, you must optimize for a small footprint by lowering these settings just as much as possible without the need of introducing unacceptable performance degradation.
Returns the double price that is certainly closest in worth to the argument and is equal into a mathematical integer. If two double values which might be mathematical integers are Similarly shut, The end result would be the integer price that may be even. Exclusive circumstances:
Displays the splash display screen With all the picture specified by imgname. HiDPI scaled pictures are mechanically supported and used if accessible.