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Minor adjustments, move error to the end of questions
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -166,7 +166,7 @@ <h2>Hands-on</h2> | |
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| # Use spack graph to get more insight on DAG structure | ||
| # To visualize: https://dreampuf.github.io/GraphvizOnline/ | ||
| spack graph -d --color hdf5+mpi | ||
| spack graph -d --color hdf5~mpi | ||
|
|
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| # Use a temporary environment to avoid reconcretizing | ||
| spack env activate --temp | ||
|
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@@ -317,12 +317,12 @@ <h2>How does reuse work?</h2> | |
| # OpenMPI should not be reused | ||
| # from store or buildcache... | ||
| - type: local | ||
| exclude: ["openmpi"] | ||
| exclude: ["openmpi"] | ||
| - type: buildcache | ||
| exclude: ["openmpi"] | ||
| exclude: ["openmpi"] | ||
| # ...and it must be the only external used | ||
| - type: external | ||
| include: ["openmpi"] | ||
| include: ["openmpi"] | ||
| </code></pre> | ||
| </section> | ||
| <section> | ||
|
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@@ -423,90 +423,6 @@ <h2>Hands-on</h2> | |
| </code></pre> | ||
| </section> | ||
| </section> | ||
| <section> | ||
| <section> | ||
| <h2>How are errors modeled?</h2> | ||
| </section> | ||
| <section> | ||
| <code>clingo</code> is not that helpful on unsat problems | ||
| <pre><code data-trim data-noescape data-line-numbers="1-4|4" class="prolog"> | ||
| node("a"). | ||
|
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| attribute(P) :- node(P). | ||
| :- attribute(P). | ||
| </code></pre> | ||
| <pre><code data-trim data-noescape class="console"> | ||
| $ clingo example.lp | ||
| clingo version 5.6.2 | ||
| Reading from example.lp | ||
| Solving... | ||
| UNSATISFIABLE | ||
| </code></pre> | ||
| <pre><code data-trim data-noescape class="console"> | ||
| $ spack spec foo | ||
| ==> Error: UNSATISFIABLE | ||
| </code></pre> | ||
| </section> | ||
| <section> | ||
| Make errors part of a valid solution | ||
| <pre><code data-trim data-noescape data-line-numbers="1-4|4" class="prolog"> | ||
| node("a"). | ||
|
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| attribute(P) :- node(P). | ||
| error("{P} cannot have an attribute!", P) :- attribute(P). | ||
| </code></pre> | ||
| <pre><code data-trim data-noescape class="console"> | ||
| $ clingo example.lp | ||
| clingo version 5.6.2 | ||
| Reading from example.lp | ||
| Solving... | ||
| Answer: 1 | ||
| node("a") attribute("a") error("{P} cannot have an attribute!","a") | ||
| SATISFIABLE | ||
| </code></pre> | ||
| <pre><code data-trim data-noescape class="console"> | ||
| $ spack spec foo | ||
| ==> Error: foo cannot have an attribute! | ||
| </code></pre> | ||
| </section> | ||
| <section> | ||
| Highest priority optimization is <em>minimize errors</em> | ||
| </section> | ||
| <section> | ||
| <div> | ||
| <img src="dist/images/error-flow-chart.svg" style="background: none; border: 0px"> | ||
| </div> | ||
| </section> | ||
| <section> | ||
| <pre><code data-trim data-noescape class="console tiny-text"> | ||
| $ spack spec [email protected] ^[email protected] | ||
| ==> Error: concretization failed for the following reasons: | ||
|
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| 1. Cannot select a single "version" for package "cmake" | ||
| 2. Cannot satisfy 'cmake@:3.17' | ||
| 3. Cannot satisfy 'cmake@:3.16' | ||
| 4. Cannot satisfy '[email protected]:' | ||
| 5. Cannot satisfy '[email protected]' | ||
| 6. Cannot satisfy '[email protected]:' | ||
| required because hdf5 depends on [email protected]: when @1.13: | ||
| required because [email protected] ^[email protected] requested explicitly | ||
| 7. Cannot satisfy '[email protected]' | ||
| required because [email protected] ^[email protected] requested explicitly | ||
| 8. Cannot satisfy '[email protected]:' and '[email protected] | ||
| required because [email protected] ^[email protected] requested explicitly | ||
| required because hdf5 depends on [email protected]: when @1.13: | ||
| required because [email protected] ^[email protected] requested explicitly | ||
| 9. Cannot satisfy '[email protected]' and '[email protected]: | ||
| required because [email protected] ^[email protected] requested explicitly | ||
| required because hdf5 depends on [email protected]: when @1.13: | ||
| required because [email protected] ^[email protected] requested explicitly | ||
| 10. Cannot satisfy '[email protected]:' and '[email protected] | ||
| required because [email protected] ^[email protected] requested explicitly | ||
| required because hdf5 depends on [email protected]: | ||
| required because [email protected] ^[email protected] requested explicitly | ||
| </code></pre> | ||
| </section> | ||
| </section> | ||
| <section> | ||
| <section> | ||
| <h1 class="r-fit-text">What are runtimes in Spack 0.22?</h1> | ||
|
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@@ -776,7 +692,7 @@ <h2>What are requirements and strong preferences?</h2> | |
| hdf5: | ||
| require: | ||
| - spec: "%gcc" | ||
| message: "This package must be built with GCC" | ||
| message: "This package must be built with GCC" | ||
| </code></pre> | ||
| </section> | ||
| <section> | ||
|
|
@@ -833,15 +749,21 @@ <h2>What are requirements and strong preferences?</h2> | |
| </section> | ||
| <section> | ||
| <h2>Hands-on</h2> | ||
| <pre><code data-trim data-noescape class="bash"> | ||
| # Add a requirement to configuration, | ||
| # try to violate it, check the error message | ||
| <pre><code data-trim data-noescape class="yaml"> | ||
| # Try to violate this requirement, check the error message | ||
| packages: | ||
| hdf5: | ||
| require: | ||
| - spec: "~mpi" | ||
| message: "HDF5 must be compiled without MPI" | ||
|
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| # Do the same with a strong preference, observe | ||
| # spack solve weights | ||
| # Use a strong preference, and do the same | ||
| packages: | ||
| hdf5: | ||
| prefer: | ||
| - "~mpi" | ||
|
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| # Enforce virtuals in an environment using | ||
| # requirements | ||
| # Enforce virtuals in an environment using requirements | ||
| </code></pre> | ||
| </section> | ||
| </section> | ||
|
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@@ -908,6 +830,90 @@ <h2>Hands-on</h2> | |
| </code></pre> | ||
| </section> | ||
| </section> | ||
| <section> | ||
| <section> | ||
| <h2>How are errors modeled?</h2> | ||
| </section> | ||
| <section> | ||
| <code>clingo</code> is not that helpful on unsat problems | ||
| <pre><code data-trim data-noescape data-line-numbers="1-4|4" class="prolog"> | ||
| node("a"). | ||
|
|
||
| attribute(P) :- node(P). | ||
| :- attribute(P). | ||
| </code></pre> | ||
| <pre><code data-trim data-noescape class="console"> | ||
| $ clingo example.lp | ||
| clingo version 5.6.2 | ||
| Reading from example.lp | ||
| Solving... | ||
| UNSATISFIABLE | ||
| </code></pre> | ||
| <pre><code data-trim data-noescape class="console"> | ||
| $ spack spec foo | ||
| ==> Error: UNSATISFIABLE | ||
| </code></pre> | ||
| </section> | ||
| <section> | ||
| Make errors part of a valid solution | ||
| <pre><code data-trim data-noescape data-line-numbers="1-4|4" class="prolog"> | ||
| node("a"). | ||
|
|
||
| attribute(P) :- node(P). | ||
| error("{P} cannot have an attribute!", P) :- attribute(P). | ||
| </code></pre> | ||
| <pre><code data-trim data-noescape class="console"> | ||
| $ clingo example.lp | ||
| clingo version 5.6.2 | ||
| Reading from example.lp | ||
| Solving... | ||
| Answer: 1 | ||
| node("a") attribute("a") error("{P} cannot have an attribute!","a") | ||
| SATISFIABLE | ||
| </code></pre> | ||
| <pre><code data-trim data-noescape class="console"> | ||
| $ spack spec foo | ||
| ==> Error: foo cannot have an attribute! | ||
| </code></pre> | ||
| </section> | ||
| <section> | ||
| Highest priority optimization is <em>minimize errors</em> | ||
| </section> | ||
| <section> | ||
| <div> | ||
| <img src="dist/images/error-flow-chart.svg" style="background: none; border: 0px"> | ||
| </div> | ||
| </section> | ||
| <section> | ||
| <pre><code data-trim data-noescape class="console tiny-text"> | ||
| $ spack spec [email protected] ^[email protected] | ||
| ==> Error: concretization failed for the following reasons: | ||
|
|
||
| 1. Cannot select a single "version" for package "cmake" | ||
| 2. Cannot satisfy 'cmake@:3.17' | ||
| 3. Cannot satisfy 'cmake@:3.16' | ||
| 4. Cannot satisfy '[email protected]:' | ||
| 5. Cannot satisfy '[email protected]' | ||
| 6. Cannot satisfy '[email protected]:' | ||
| required because hdf5 depends on [email protected]: when @1.13: | ||
| required because [email protected] ^[email protected] requested explicitly | ||
| 7. Cannot satisfy '[email protected]' | ||
| required because [email protected] ^[email protected] requested explicitly | ||
| 8. Cannot satisfy '[email protected]:' and '[email protected] | ||
| required because [email protected] ^[email protected] requested explicitly | ||
| required because hdf5 depends on [email protected]: when @1.13: | ||
| required because [email protected] ^[email protected] requested explicitly | ||
| 9. Cannot satisfy '[email protected]' and '[email protected]: | ||
| required because [email protected] ^[email protected] requested explicitly | ||
| required because hdf5 depends on [email protected]: when @1.13: | ||
| required because [email protected] ^[email protected] requested explicitly | ||
| 10. Cannot satisfy '[email protected]:' and '[email protected] | ||
| required because [email protected] ^[email protected] requested explicitly | ||
| required because hdf5 depends on [email protected]: | ||
| required because [email protected] ^[email protected] requested explicitly | ||
| </code></pre> | ||
| </section> | ||
| </section> | ||
|
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| <!-- OCI build caches --> | ||
| <section> | ||
|
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