Cruiseco is offering guests the opportunity to joi

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first_imgCruiseco is offering guests the opportunity to join a new musical experience ‘Back to the 80s Cruise 2018’. Guests will depart from Southampton, UK on 6 May 2018, for a seven-night round trip voyage aboard Navigator of the Seas, enjoying extraordinary musical performances.Laura Clarke, manager special projects and group sales, Cruiseco said, “Our ‘Back to the 80s Cruise 2018′ itinerary provides guests with an unforgettable musical holiday, and a step back in time. Featuring performances and shows from some of the biggest names in music, the songs that will be performed aboard really did became the soundtrack to a generation during this amazing decade. We encourage guests who would like to sail to book their spot now, as this is sure to sell very quickly.”Guests will enjoy performances from artists including:Tony Hadley, who first rose to fame as the lead singer of Spandau Ballet, a successful band in the Romantic Movement with international hits including ‘Through the Barricades’ and ‘Gold’. Hadley is considered one of pop music’s greatest vocalists.ABC, a pop band in the 1980s whose debut album The Lexicon of Love was a UK #1 and featured hit single ‘The Look of Love’Kim Wilde had her first worldwide hit with ‘Kids In America’ in 1981, since then her musical career includes 30 million record sales and a hit single with ‘You Keep Me Hangin’ On’ reaching #1 in the USBelinda Carlisle began her successful career as lead vocalist for The Go-Go’s before embarking on a solo career with international hits such as ‘Heaven Is a Place on Earth’, ‘I Get Weak’ and ‘Circle in the Sand’Go West is an English pop duo lead by vocalist Peter Cox and rhythm guitarist and back-up vocalist Richard Drummie, who are known for their number one hits including ‘King Of Wishful Thinking’, ‘Call Me’ and ‘We Close Our Eyes’Paul Young is a 1980s teen idol, with multiple successful albums and his biggest worldwide hit ‘Every Time You Go Away’ reaching number one in the USThe BABYS are a British rock band who have reformed, featuring original members Tony Brock and Wally Stoker. The band are known for their hits including ‘Every Time I Think of You’, ‘Midnight Rendezvous’ and ‘Isn’t It Time’Cutting Crew had a multi-million selling debut album Broadcast and hit single ‘(I Just) Died in Your Arms’ which earned many prestigious awardsT’Pau led by Carol Decker is a British pop group with a string of hit singles in the UK including ‘Heart and Soul’.Sailing for seven days aboard Navigator of the Seas, guests will stop in ports Bilbao, Vigo and Lisbon. The ship can accommodate 3990 guests and features a three-storey dining room, a rock climbing wall, ice skating rink and mini-golf course for travellers to enjoy.Prices start from AU$2875 per person based on twin share for an Interior Stateroom.last_img

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Solid Sands: the day that GNU-C++ -Os broke

first_imgWe spent a good day of debugging a few of our C++ tests before a pattern emerged. We are working on a project to support freestanding C and C++ environments with the SuperTest test and validation suite for C and C++ compilers. A freestanding environment is defined to support only a subset of the C and C++ libraries. Its goal is to allow applications to run on targets that do not have an extensive run-time system like a proper OS. Instead, it allows programs to run on ‘bare-metal’. This is useful for all kinds of embedded applications.One of the goals in this project is to minimize the memory requirements of the SuperTest, so we use the compiler with the memory optimization option -Os .Several C++ tests, related to exception handling and inheritance, suddenly failed in the new freestanding configuration.When tests fail like this, the first thing to suspect is our own changes. After all, the compiler used is the default g++ compiler on a fully up-to-date x86 Ubuntu environment. Many thousands (millions?) of mission-critical systems use GNU-C++ and Ubuntu. Space-X, just to name a high-profile example, uses C++ and Linux on x86 in their rockets too.Here is one such test. Yes, we know this is not nice C++, but we are not in the business of writing nice C++. Our job is to go near the edge of the language specification to verify the correct behavior of its implementation.    #include    class A {            virtual void f(){};        public:            int x;            A(int in): x(in) {};    };    class B: public A {        public:            int y;            B(int in):A(in-1), y(in) {};    };    int test(void) {        int res;        B b(2);        A* bp = &b;        void* vp = dynamic_cast(bp);        if (  ((A*)vp)->x == 1           && ((B*)vp)->y == 2           ) {            return 1;   // PASS        } else {            return 0;   // FAIL        }    }    int main (void) {        assert (test ());    }The code is not complicated, but it has some unnecessary, though well-defined, type-casting. Class A is inherited by class B and both have their own instance variable, x and y respectively. The instantiation of an object of class B , in the second line of the function test , initializes these variables with the values 1 and 2 . After two type casts, the if statement verifies these values.Let us first admire the beauty of the x86-64 code generated by g++ for the function test() with the option -O1 :test():  mov DWORD PTR [rsp-8], 1  mov DWORD PTR [rsp-4], 2  mov rdx, QWORD PTR vtable for B[rip]  movabs rax, 8589934593  cmp QWORD PTR [rsp-8+rdx], rax  sete al  movzx eax, al  retA::f():  rep retThe compiler knows the layout of the object of type B . With the first two moves, it sets the values of the two variables x and y . Then it compares the values of object b ’s fields with the 64-bit immediate 8589934593 . In hexadecimal, this value is easier to understand: 0x200000001 . The compiler does two comparisons of 32-bit values in one 64-bit comparison! That is a clever move. So far so good.But now compile the code with -Os , for size optimization. The generated code becomes:test():  mov rdx, QWORD PTR vtable for B[rip]  mov DWORD PTR [rsp-8], 1  movabs rax, 8589934593  cmp QWORD PTR [rsp-8+rdx], rax  sete al  movzx eax, al  retDo you see what is missing? Somehow, the compiler has forgotten to initialize b ‘s variable y to 2 ! And thus our test-program fails at the assert.This is a serious error. Due to the optimization that turns two comparisons into one, the compiler ‘forgets’ that the y field of the object b is used. A def-use analysis after the optimization of the two comparisons then sees no use of y . Therefore the compiler concludes that the initialization of the field y is redundant, and removes it. Is this behavior limited to comparison optimization in combination with some liberal type-casting? Perhaps, but there is no guarantee for that.It is not the only error. There are also errors in the generated exception handling code when -Os is used. The version of GNU-C shown here is 7.3.0 because that is the current version on Ubuntu. We tried different versions of GNU-C, also for ARM64 targets and not Ubuntu related, and they are all affected. We must conclude that it is not safe to use g++ in combination with the -Os option for 64-bit targets.Compiler developers run many tests to prevent that errors like these slip through. But compilers are complicated and they have so many configuration options that no compiler supplier can state upfront that your particular use case is verified.If your application domain is mission-critical or even safety-critical, you need to set up compiler validation for the compiler and for the use cases that are specific to you. If that is beyond your scope, then at least verify that your compiler supplier uses SuperTest. SuperTest provides you with a better chance of staying ahead of compiler errors than any other method that we know of. Let’s hope that Space-X does not use g++ with the -Os option.Share this:TwitterFacebookLinkedInMoreRedditTumblrPinterestWhatsAppSkypePocketTelegram Tags: Tools & Software Continue Reading Previous FPGA-based frameworks speed blockchain processingNext Arm, Cadence and Xilinx introduce Arm Neoverse System Development Platformlast_img

Australia set for marathon home season as CA releases fixtures for 2019-2020 season

first_imgAustralia’s international schedule will stretch into late-March for the first time in 41 years in 2020 after the country’s cricket board was unable to cut a deal with India to move a one-day tour.Cricket Australia had hoped to host New Zealand in an ODI series in January but Aaron Finch’s team will instead travel to the subcontinent after India’s board declined to shift their home series.That has pushed the three-match New Zealand series back to the middle of March, with the final ODI in Hobart on March 20 making it the latest finish to a home international schedule since Australia hosted Pakistan for a Test in Perth in 1979.”CA took the position that while January was our preference for these ODI matches there are times we need to honour our commitments to work in the greater context of international cricket scheduling,” CA’s Peter Roach said.”We evaluated different options for an alternative and saw the most value in the March opportunity to extend our window in the traditional cricket season.”Ten venues, five visiting teams and a total of 28 matches will make up the 2019-20 international summer of cricket (@cricketcomau) May 6, 2019The Gabba returns as venue of the opening Test of the summer in a two-match series against Pakistan from Nov. 21.Last summer, the Brisbane ground was snubbed as one of the venues for the marquee Test series against India and relegated to a January Test match venue for the short Sri Lanka tour.advertisementAdelaide Oval will host the second and final Test against Pakistan, a day-night match, from Nov. 29.Australia also host New Zealand in a day-night Test at Perth Stadium from Dec. 12, before the three-match series moves to the Melbourne Cricket Ground for the traditional Boxing Day Test and to Sydney in the New Year.Steve Smith and David Warner gave fans plenty to smile about in Brisbane yesterday (@cricketcomau) May 6, 2019In a tweak to the usual day-night scheduling, the Perth Test will start at 1 p.m. local time and finish at 8 p.m. to cater to Australia’s dominant TV audience in the east of the country.It will also have the longer 40-minute lunch break at the first interval, while the Adelaide pink ball Test will continue to have the 20-minute tea break between the first and second sessions with the longer “dinner” break in the evening.The international summer opens in late-October with back-to-back three-match Twenty20 series against Sri Lanka and Pakistan.Women’s international cricket will also play a prominent role in the schedule as Australia play a T20 tri-series against England and India from late-January in the leadup to hosting the women’s T20 World Cup from Feb. 21.Men’s fixtures:Oct 27 Australia v Sri Lanka, 1st T20 (Adelaide Oval)Oct 30 Australia v Sri Lanka, 2nd T20 (Gabba)Nov 1 Australia v Sri Lanka, 3rd T20 (MCG)Nov 3 Australia v Pakistan, 1st T20 (SCG)Nov 5 Australia v Pakistan, 2nd T20 (Canberra)Nov 8 Australia v Pakistan, 3rd T20 (Perth)Nov 21-25 Australia v Pakistan, 1st Test (Gabba)Nov 29-Dec 3 Australia v Pakistan, 2nd Test (Adelaide Oval)*Dec 12-16 Australia v New Zealand, 1st Test (Perth)*Dec 26-30 Australia v New Zealand, 2nd Test (MCG)Jan 3-7 Australia v New Zealand, 3rd Test (SCG)Mar 13 Australia v New Zealand, 1st ODI (SCG)*Mar 15 Australia v New Zealand, 2nd ODI (SCG)Mar 20 Australia v New Zealand, 3rd ODI (Hobart)** Denotes day-night matchlast_img

World Cup 2019: Sarfaraz Ahmed wants to forget Pakistan’s bad opening day

first_imgPakistan captain Sarfaraz Ahmed Friday said he expected a “hard” World Cup opener against the West Indies but found solace in Mohammad Amir returning to wicket-taking ways.Pakistan were handed a seven-wicket thrashing by the West Indies after being bowled out for 105 in a dismal display of batting. It was Pakistan’s 11th ODI loss in a row.Pakistan vs West Indies, World Cup 2019: Report | Highlights”First of all the start is very crucial here. You know, with the 10:30 start, as I told you before in the last press conference, the start is very crucial for our team. That is why we wanted to bowl first. I think at the start we lost too many wickets. That’s why we didn’t come back into the game,” Sarfaraz said at the post-match press conference.Some of the batsmen were bounced out while the others fell to poor shot selection.Asked to comment on Pakistan’s pathetic batting performance, the captain said: “We expected a hard game but we knew we have what it takes to play and win. But we lost so many wickets up front when we were batting because of those couple of short balls.”However, Pakistan managed to get one positive out of the game and that was pacer Mohammad Amir finally getting among the wickets. In fact, he took all three wickets to fall in the West Indies’ innings.”We definitely bowled well. It was good to have Mohammad Amir back in form, we know what he is capable of and it will be good for us in the coming matches.”advertisementAt the same venue, they face a massive challenge on Monday when they face tournament favourites England. The hosts had blanked Pakistan 4-0 in the ODI series ahead of the World Cup.”First we have to back ourselves and not think too much about what happened today. That match is gone, so inshallah we have the type of players who can win the next match for us,” Sarfaraz added.Also Read | World Cup 2019: Shoaib Akhtar, Ramiz Raja horrified after Pakistan’s abject batting showAlso Read | World Cup 2019: Why perennial slow-starters Pakistan should not lose heartAlso See:last_img

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