java Programming Glossary: edx

Why volatile in java 5+ doesn't synchronize cached copies of variables with main memory?

http://stackoverflow.com/questions/10620680/why-volatile-in-java-5-doesnt-synchronize-cached-copies-of-variables-with-main

0x021dd748 ifeq Test 1 run@7 line 13 0x021dd75e cmp 0x0 edx 0x021dd761 jne 0x021dd788 ifne Test 1 run@13 line 17 0x021dd767.. dispatches to 0x021dd7dc 0x021dd778 mov 0x39239500 edx invokevirtual println And This did not print error 0x0226d763.. error 0x0226d763 test eax 0x180100 poll 0x0226d769 cmp 0x0 edx 0x0226d76c je 0x0226d758 ifeq Test 1 run@7 line 13 0x0226d76e..

Why does Java switch on ordinal ints appear to run faster with added cases?

http://stackoverflow.com/questions/15621083/why-does-java-switch-on-ordinal-ints-appear-to-run-faster-with-added-cases

multiplyByPowerOfTen@ 1 line 56 0x00000000024f016c cmp edx 0x3 0x00000000024f016f je 0x00000000024f01c3 0x00000000024f0171.. je 0x00000000024f01c3 0x00000000024f0171 cmp edx 0x3 0x00000000024f0174 jg 0x00000000024f01a5 0x00000000024f0176.. jg 0x00000000024f01a5 0x00000000024f0176 cmp edx 0x1 0x00000000024f0179 je 0x00000000024f019b 0x00000000024f017b..

Is volatile expensive?

http://stackoverflow.com/questions/4633866/is-volatile-expensive

xmm0 eax 0xb3ab9369 psrlq 0x20 xmm0 0xb3ab936e movd xmm0 edx getstatic l Test2 run@0 line 32 0xb3ab9372 cmp ecx eax 0xb3ab9374.. cmp ecx eax 0xb3ab9374 jne 0xb3ab9378 0xb3ab9376 cmp ebx edx 0xb3ab9378 je 0xb3ab93ac 0xb3ab937a mov 0xfffffffe ecx 0xb3ab937f..