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Diffstat (limited to 'results/classifier/zero-shot-user-mode/instruction/1892081')
| -rw-r--r-- | results/classifier/zero-shot-user-mode/instruction/1892081 | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/results/classifier/zero-shot-user-mode/instruction/1892081 b/results/classifier/zero-shot-user-mode/instruction/1892081 new file mode 100644 index 000000000..610d95177 --- /dev/null +++ b/results/classifier/zero-shot-user-mode/instruction/1892081 @@ -0,0 +1,20 @@ +instruction: 0.683 +runtime: 0.164 +syscall: 0.153 + + + +Performance improvement when using "QEMU_FLATTEN" with softfloat type conversions + +Attached below is a matrix multiplication program for double data +types. The program performs the casting operation "(double)rand()" +when generating random numbers. + +This operation calls the integer to float softfloat conversion +function "int32_to_float_64". + +Adding the "QEMU_FLATTEN" attribute to the function definition +decreases the instructions per call of the function by about 63%. + +Attached are before and after performance screenshots from +KCachegrind. \ No newline at end of file |