Index: tests/concurrency/barrier/.expect/generation.txt =================================================================== --- tests/concurrency/barrier/.expect/generation.txt (revision c26bea2aa0f87b4b070349c5801adc32fb0d4cf9) +++ tests/concurrency/barrier/.expect/generation.txt (revision c26bea2aa0f87b4b070349c5801adc32fb0d4cf9) @@ -0,0 +1,1 @@ 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Index: tests/concurrency/barrier/.expect/last.txt =================================================================== --- tests/concurrency/barrier/.expect/last.txt (revision c26bea2aa0f87b4b070349c5801adc32fb0d4cf9) +++ tests/concurrency/barrier/.expect/last.txt (revision c26bea2aa0f87b4b070349c5801adc32fb0d4cf9) @@ -0,0 +1,1 @@ +done Index: tests/concurrency/barrier/.expect/order.txt =================================================================== --- tests/concurrency/barrier/.expect/order.txt (revision c26bea2aa0f87b4b070349c5801adc32fb0d4cf9) +++ tests/concurrency/barrier/.expect/order.txt (revision c26bea2aa0f87b4b070349c5801adc32fb0d4cf9) @@ -0,0 +1,1 @@ +done Index: tests/concurrency/barrier/gen_generation_expect.cfa =================================================================== --- tests/concurrency/barrier/gen_generation_expect.cfa (revision c26bea2aa0f87b4b070349c5801adc32fb0d4cf9) +++ tests/concurrency/barrier/gen_generation_expect.cfa (revision c26bea2aa0f87b4b070349c5801adc32fb0d4cf9) @@ -0,0 +1,31 @@ +// +// Cforall Version 1.0.0 Copyright (C) 2022 University of Waterloo +// +// The contents of this file are covered under the licence agreement in the +// file "LICENCE" distributed with Cforall. +// +// gen_generation_expect.cfa -- simple 'script' generates the expect file for concurrent/barrier/generation +// +// Author : Thierry Delisle +// Created On : Thu Mar 31 16:44:43 2022 +// Last Modified By : +// Last Modified On : +// Update Count : +// + + +#include + +int NUM_THREADS = 9; +int NUM_LAPS = 53; + +int main() { + + for(NUM_LAPS) + for(c; 'A' ~= 'Z') { + for(NUM_THREADS) { + sout | c | nonl; + } + } + sout | nl; +} Index: tests/concurrency/barrier/generation.cfa =================================================================== --- tests/concurrency/barrier/generation.cfa (revision c26bea2aa0f87b4b070349c5801adc32fb0d4cf9) +++ tests/concurrency/barrier/generation.cfa (revision c26bea2aa0f87b4b070349c5801adc32fb0d4cf9) @@ -0,0 +1,58 @@ +// +// Cforall Version 1.0.0 Copyright (C) 2022 University of Waterloo +// +// The contents of this file are covered under the licence agreement in the +// file "LICENCE" distributed with Cforall. +// +// concurrent/barrier/generation.cfa -- simple test that validates barriers by printing +// alphabetical generations +// +// Author : Thierry Delisle +// Created On : Thu Mar 31 16:43:45 2022 +// Last Modified By : +// Last Modified On : +// Update Count : +// + +// Test validates barrier by having each thread print ABCD... +// If the barrier is correct it should print all As, all Bs, etc. + +unsigned NUM_THREADS = 9; +unsigned NUM_LAPS = 53; + +#include +#include +#include +#include + +// The barrier we are testing +barrier bar = { NUM_THREADS }; + + +thread Tester {}; +void main( Tester & this ) { + // Repeat the experiment a few times + for(NUM_LAPS) + // For each letters + for(c; 'A' ~= 'Z') { + // Yield for chaos + yield( prng(this, 10) ); + + // Print the generation, no newline because + mutex(sout) sout | c | nonl; + + // Yield again for more chaos + yield( prng(this, 10) ); + + // Block on the barrier + block(bar); + } +} + +int main() { + processor p[4]; + { + Tester testers[NUM_THREADS]; + } + sout | nl; +} Index: tests/concurrency/barrier/last.cfa =================================================================== --- tests/concurrency/barrier/last.cfa (revision c26bea2aa0f87b4b070349c5801adc32fb0d4cf9) +++ tests/concurrency/barrier/last.cfa (revision c26bea2aa0f87b4b070349c5801adc32fb0d4cf9) @@ -0,0 +1,84 @@ +// +// Cforall Version 1.0.0 Copyright (C) 2022 University of Waterloo +// +// The contents of this file are covered under the licence agreement in the +// file "LICENCE" distributed with Cforall. +// +// concurrent/barrier/last.cfa -- validates barrier's last hook functionality +// +// Author : Thierry Delisle +// Created On : Fri Apr 01 14:24:28 2022 +// Last Modified By : +// Last Modified On : +// Update Count : +// + +// Test validates barrier correctly blocks threads, and that the last +// function is called at the appropriate time. + +#include +#include +#include +#include + +const unsigned NUM_LAPS = 223; +const unsigned NUM_THREADS = 13; + +// The barrier we are testing +barrier bar = { NUM_THREADS }; + +// The return values of the previous generation. +volatile unsigned * generation; + +// Check that validate is actually getting called as expected; +volatile unsigned validate_calls = 0; + +void validate() { + unsigned vc = validate_calls; + unsigned expected = generation[0]; + for(i; 1 ~ NUM_THREADS) { + unsigned obtained = generation[i]; + if( obtained != expected ) { + sout | "Index 0 and" | i | "disagree on current generation:" | expected | "vs" | obtained; + } + } + validate_calls = vc + 1; +} + +thread Tester { + unsigned id; +}; +void main( Tester & this) { + park(); + // Repeat a few times + for(l; NUM_LAPS) { + // Block + block(bar, validate); + + // Update what we thing the generation is + generation[this.id]++; + } +} + +int main() { + // Create the data ans zero it. + volatile unsigned gen_data[NUM_THREADS]; + for(t; NUM_THREADS) + gen_data[t] = 0; + + generation = gen_data; + + // Run the experiment + processor p[6]; + { + Tester testers[NUM_THREADS]; + for(i; NUM_THREADS) { + testers[i].id = i; + unpark(testers[i]); + } + } + if(validate_calls != NUM_LAPS) { + sout | "Unexpected number of calls to validate: expcted" | NUM_LAPS | ", got" | validate_calls; + } + sout | "done"; +} Index: tests/concurrency/barrier/order.cfa =================================================================== --- tests/concurrency/barrier/order.cfa (revision c26bea2aa0f87b4b070349c5801adc32fb0d4cf9) +++ tests/concurrency/barrier/order.cfa (revision c26bea2aa0f87b4b070349c5801adc32fb0d4cf9) @@ -0,0 +1,72 @@ +// +// Cforall Version 1.0.0 Copyright (C) 2022 University of Waterloo +// +// The contents of this file are covered under the licence agreement in the +// file "LICENCE" distributed with Cforall. +// +// concurrent/barrier/order.cfa -- validates barriers the return value of +// barrier block +// +// Author : Thierry Delisle +// Created On : Fri Apr 01 11:39:09 2022 +// Last Modified By : +// Last Modified On : +// Update Count : +// + +// Test validates barrier and block return value by checking +// that no more than one thread gets the same return value + +#include +#include +#include +#include + +const unsigned NUM_LAPS = 173; +const unsigned NUM_THREADS = 11; + +// The barrier we are testing +barrier bar = { NUM_THREADS }; + +// The return values of the previous generation. +volatile unsigned * generation; + +thread Tester {}; +void main( Tester & this ) { + // Repeat a few times + for(l; NUM_LAPS) { + // Yield for chaos + yield( prng(this, 10) ); + + // Block and what order we arrived + unsigned ret = block(bar); + + // Check what was the last generation of that last thread in this position + unsigned g = generation[ret]; + + // Is it what we expect? + if(g != l) { + // Complain that they are different + sout | "Gen" | l | ": Expeced generation at" | ret | "to be" | l | "was" | g; + } + + // Mark the expected next generation + generation[ret] = l+1; + } +} + +int main() { + // Create the data ans zero it. + volatile unsigned gen_data[NUM_THREADS]; + for(t; NUM_THREADS) + gen_data[t] = 0; + + generation = gen_data; + + // Run the experiment + processor p[4]; + { + Tester testers[NUM_THREADS]; + } + sout | "done"; +}