struct SelfReferential obj::SelfReferential SelfReferential() = (x = new(); x.obj = x) end We can verify that this constructor works and constructs objects that are, in fact, self-referential:CHAPTER 13 older versions, this value is ignored. Lets start Julia with 4 threads: $ julia --threads 4 Let's verify there are 4 threads at our disposal. julia> Threads.nthreads() 4 300CHAPTER 24. MULTI-THREADING line into mycompare, which will allow you to see the comparisons that qsort is performing (and to verify that it is really calling the Julia function that you passed to it). 27.2 Mapping C Types to Julia

struct SelfReferential obj::SelfReferential SelfReferential() = (x = new(); x.obj = x) end We can verify that this constructor works and constructs objects that are, in fact, self-referential:CHAPTER 13 older versions, this value is ignored. Lets start Julia with 4 threads: $ julia --threads 4 Let's verify there are 4 threads at our disposal. julia> Threads.nthreads() 4 300CHAPTER 24. MULTI-THREADING line into mycompare, which will allow you to see the comparisons that qsort is performing (and to verify that it is really calling the Julia function that you passed to it). 27.2 Mapping C Types to Julia

struct SelfReferential obj::SelfReferential SelfReferential() = (x = new(); x.obj = x) end We can verify that this constructor works and constructs objects that are, in fact, self-referential: julia> x older versions, this value is ignored. Lets start Julia with 4 threads: $ julia --threads 4 Let's verify there are 4 threads at our disposal. julia> Threads.nthreads() 4 But we are currently on the master line into mycompare, which will allow you to see the comparisons that qsort is performing (and to verify that it is really calling the Julia function that you passed to it). 27.2 Mapping C Types to Julia

struct SelfReferential obj::SelfReferential SelfReferential() = (x = new(); x.obj = x) end We can verify that this constructor works and constructs objects that are, in fact, self-referential:CHAPTER 14 older versions, this value is ignored. Lets start Julia with 4 threads: $ julia --threads 4 Let's verify there are 4 threads at our disposal. 318CHAPTER 25. MULTI-THREADING 319 julia> Threads.nthreads() line into mycompare, which will allow you to see the comparisons that qsort is performing (and to verify that it is really calling the Julia function that you passed to it). 28.2 Mapping C Types to Julia

struct SelfReferential obj::SelfReferential SelfReferential() = (x = new(); x.obj = x) end We can verify that this constructor works and constructs objects that are, in fact, self-referential:CHAPTER 14 older versions, this value is ignored. Lets start Julia with 4 threads: $ julia --threads 4 Let's verify there are 4 threads at our disposal. 318CHAPTER 25. MULTI-THREADING 319 julia> Threads.nthreads() line into mycompare, which will allow you to see the comparisons that qsort is performing (and to verify that it is really calling the Julia function that you passed to it). 28.2 Mapping C Types to Julia

struct SelfReferential obj::SelfReferential SelfReferential() = (x = new(); x.obj = x) end We can verify that this constructor works and constructs objects that are, in fact, self-referential:CHAPTER 14 older versions, this value is ignored. Lets start Julia with 4 threads: $ julia --threads 4 Let's verify there are 4 threads at our disposal. 318CHAPTER 25. MULTI-THREADING 319 julia> Threads.nthreads() line into mycompare, which will allow you to see the comparisons that qsort is performing (and to verify that it is really calling the Julia function that you passed to it). 28.2 Mapping C Types to Julia

struct SelfReferential obj::SelfReferential SelfReferential() = (x = new(); x.obj = x) end We can verify that this constructor works and constructs objects that are, in fact, self-referential: CHAPTER older versions, this value is ignored. Lets start Julia with 4 threads: $ julia --threads 4 Let's verify there are 4 threads at our disposal. julia> Threads.nthreads() 4 298 CHAPTER 24. MULTI-THREADING line into mycompare, which will allow you to see the comparisons that qsort is performing (and to verify that it is really calling the Julia function that you passed to it). 27.2 Mapping C Types to Julia

struct SelfReferential obj::SelfReferential SelfReferential() = (x = new(); x.obj = x) end We can verify that this constructor works and constructs objects that are, in fact, self-referential: CHAPTER older versions, this value is ignored. Lets start Julia with 4 threads: $ julia --threads 4 Let's verify there are 4 threads at our disposal. julia> Threads.nthreads() 4 298 CHAPTER 24. MULTI-THREADING line into mycompare, which will allow you to see the comparisons that qsort is performing (and to verify that it is really calling the Julia function that you passed to it). 27.2 Mapping C Types to Julia

struct SelfReferential obj::SelfReferential SelfReferential() = (x = new(); x.obj = x) end We can verify that this constructor works and constructs objects that are, in fact, self-referential: CHAPTER older versions, this value is ignored. Lets start Julia with 4 threads: $ julia --threads 4 Let's verify there are 4 threads at our disposal. julia> Threads.nthreads() 4 298 CHAPTER 24. MULTI-THREADING line into mycompare, which will allow you to see the comparisons that qsort is performing (and to verify that it is really calling the Julia function that you passed to it). 27.2 Mapping C Types to Julia

struct SelfReferential obj::SelfReferential SelfReferential() = (x = new(); x.obj = x) end We can verify that this constructor works and constructs objects that are, in fact, self-referential: CHAPTER older versions, this value is ignored. Lets start Julia with 4 threads: $ julia --threads 4 Let's verify there are 4 threads at our disposal. julia> Threads.nthreads() 4 299 CHAPTER 24. MULTI-THREADING line into mycompare, which will allow you to see the comparisons that qsort is performing (and to verify that it is really calling the Julia function that you passed to it). 27.2 Mapping C Types to Julia