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authorMichael Bien <[email protected]>2010-01-15 16:11:17 +0100
committerMichael Bien <[email protected]>2010-01-15 16:11:17 +0100
commitd446e57f45811c23da651f7a5f481ddaed4c01c6 (patch)
treeec2494e56b71816011c2146a2117be9f9f8ccaac
parent8eec5909a7f480497846f62729a47820aa55e188 (diff)
added Option enum for common build optons (contains all specified flags as of OpenCL 1.0).
-rw-r--r--src/com/mbien/opencl/CLProgram.java121
1 files changed, 118 insertions, 3 deletions
diff --git a/src/com/mbien/opencl/CLProgram.java b/src/com/mbien/opencl/CLProgram.java
index d1645213..4b7fac7c 100644
--- a/src/com/mbien/opencl/CLProgram.java
+++ b/src/com/mbien/opencl/CLProgram.java
@@ -143,7 +143,7 @@ public class CLProgram implements CLResource {
* @return this
*/
public CLProgram build() {
- build(null, null);
+ build(null, (CLDevice[])null);
return this;
}
@@ -152,7 +152,16 @@ public class CLProgram implements CLResource {
* @return this
*/
public CLProgram build(String options) {
- build(null, options);
+ build(options, (CLDevice[])null);
+ return this;
+ }
+
+ /**
+ * Builds this program for all devices associated with the context using the specified build options.
+ * @return this
+ */
+ public CLProgram build(Option... options) {
+ build(Option.optionsOf(options), (CLDevice[])null);
return this;
}
@@ -162,7 +171,7 @@ public class CLProgram implements CLResource {
* @return this
* @param devices A list of devices this program should be build on or null for all devices of its context.
*/
- public CLProgram build(CLDevice[] devices, String options) {
+ public CLProgram build(String options, CLDevice... devices) {
if(kernels != null) {
//No changes to the program executable are allowed while there are
@@ -421,4 +430,110 @@ public class CLProgram implements CLResource {
}
}
+ /**
+ * Common compiler optons.
+ */
+ public enum Option {
+
+ /**
+ * Treat double precision floating-point constant as single precision constant.
+ */
+ SINGLE_PRECISION_CONSTANTS("-cl-single-precision-constant"),
+
+ /**
+ * This option controls how single precision and double precision denormalized numbers are handled.
+ * If specified as a build option, the single precision denormalized numbers may be flushed to zero
+ * and if the optional extension for double precision is supported, double precision denormalized numbers
+ * may also be flushed to zero. This is intended to be a performance hint and the OpenCL compiler can choose
+ * not to flush denorms to zero if the device supports single precision (or double precision) denormalized numbers.<br>
+ * This option is ignored for single precision numbers if the device does not support single precision denormalized
+ * numbers i.e. CL_FP_DENORM bit is not set in CL_DEVICE_SINGLE_FP_CONFIG<br>
+ * This option is ignored for double precision numbers if the device does not support double precision or if it does support
+ * double precison but CL_FP_DENORM bit is not set in CL_DEVICE_DOUBLE_FP_CONFIG.<br>
+ * This flag only applies for scalar and vector single precision floating-point variables and computations on
+ * these floating-point variables inside a program. It does not apply to reading from or writing to image objects.
+ */
+ DENORMS_ARE_ZERO("-cl-denorms-are-zero"),
+
+ /**
+ * This option disables all optimizations. The default is optimizations are enabled.
+ */
+ DISABLE_OPT("-cl-opt-disable"),
+
+ /**
+ * This option allows the compiler to assume the strictest aliasing rules.
+ */
+ STRICT_ALIASING("-cl-strict-aliasing"),
+
+ /**
+ * Allow a * b + c to be replaced by a mad. The mad computes a * b + c with reduced accuracy.
+ * For example, some OpenCL devices implement mad as truncate the result of a * b before adding it to c.
+ */
+ ENABLE_MAD("-cl-mad-enable"),
+
+ /**
+ * Allow optimizations for floating-point arithmetic that ignore the signedness of zero.
+ * IEEE 754 arithmetic specifies the behavior of distinct +0.0 and -0.0 values, which then prohibits
+ * simplification of expressions such as x+0.0 or 0.0*x (even with -cl-finite-math-only ({@link #FINITE_MATH_ONLY})).
+ * This option implies that the sign of a zero result isn't significant.
+ */
+ NO_SIGNED_ZEROS("-cl-no-signed-zeros"),
+
+ /**
+ * Allow optimizations for floating-point arithmetic that<br>
+ * (a) assume that arguments and results are valid,<br>
+ * (b) may violate IEEE 754 standard and<br>
+ * (c) may violate the OpenCL numerical compliance requirements as defined in section
+ * 7.4 for single-precision floating-point, section 9.3.9 for double-precision floating-point,
+ * and edge case behavior in section 7.5.<br>
+ * This option includes the -cl-no-signed-zeros ({@link #NO_SIGNED_ZEROS})
+ * and -cl-mad-enable ({@link #ENABLE_MAD}) options.
+ */
+ UNSAFE_MATH("-cl-unsafe-math-optimizations"),
+
+ /**
+ * Allow optimizations for floating-point arithmetic that assume that arguments and results are not NaNs or ±∞.
+ * This option may violate the OpenCL numerical compliance requirements defined in in section 7.4 for
+ * single-precision floating-point, section 9.3.9 for double-precision floating-point, and edge case behavior in section 7.5.
+ */
+ FINITE_MATH_ONLY("-cl-finite-math-only"),
+
+ /**
+ * Sets the optimization options -cl-finite-math-only ({@link #FINITE_MATH_ONLY}) and -cl-unsafe-math-optimizations ({@link #UNSAFE_MATH}).
+ * This allows optimizations for floating-point arithmetic that may violate the IEEE 754
+ * standard and the OpenCL numerical compliance requirements defined in the specification
+ * in section 7.4 for single-precision floating-point, section 9.3.9 for double-precision
+ * floating-point, and edge case behavior in section 7.5. This option causes the preprocessor
+ * macro __FAST_RELAXED_MATH__ to be defined in the OpenCL program.
+ */
+ FAST_RELAXED_MATH("-cl-fast-relaxed-math"),
+
+ /**
+ * Inhibit all warning messages.
+ */
+ DISABLE_WARNINGS("-w"),
+
+ /**
+ * Make all warnings into errors.
+ */
+ WARNINGS_ARE_ERRORS("-Werror");
+
+ private final String option;
+
+ private Option(String option) {
+ this.option = option;
+ }
+
+ public final static String optionsOf(Option... options) {
+ StringBuilder sb = new StringBuilder(options.length * 24);
+ for (int i = 0; i < options.length; i++) {
+ sb.append(options[i].option);
+ if(i!= options.length-1)
+ sb.append(" ");
+ }
+ return sb.toString();
+ }
+
+ }
+
}