* [PATCH 0/5] Chapterwise QQZ answers
@ 2020-07-29 15:11 Akira Yokosawa
2020-07-29 15:13 ` [PATCH 1/5] Makefile: Fix typo in CREFPTN Akira Yokosawa
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: Akira Yokosawa @ 2020-07-29 15:11 UTC (permalink / raw)
To: Paul E. McKenney; +Cc: perfbook, Akira Yokosawa
Hi Paul,
So, in the mean time, I've attempted chapterwise QQZ answers.
This patch series is the resulting changes.
Patch #1 fixes a typo in Makefile which I noticed during this
development.
Patch #2 is the main change enabling chapterwise QQZ answers
in perfbook-nq.pdf.
This patch becomes a large one, as the addition of argument
to macros in qqz.sty requires tree-wide changes for successful
build. It also contains minor tweaks in howto.tex.
Patches #3--#5 are minor updates.
Patch #5 results in a table mostly identical to Table E.5.
I don't think these quick quizzes are redundant, though.
The resulting perfbook-nq.pdf looks fairly reasonable to me.
Some of the question parts have room to improve so that
they are less context-dependent.
Let me know what you think.
Thanks, Akira
--
Akira Yokosawa (5):
Makefile: Fix typo in CREFPTN
Enhance qqz scheme for chapterwise QQZ answers
perfbook-lt.tex: Tell cleveref not to capitalize 'page' in \cpageref{}
datastruct: Use nbsp in captions (State (a), State (b), etc.)
formal: Retouch Table E.4
.gitignore | 2 +-
Makefile | 17 ++++++++---
SMPdesign/SMPdesign.tex | 4 ++-
advsync/advsync.tex | 4 ++-
appendix/questions/questions.tex | 4 ++-
appendix/toyrcu/toyrcu.tex | 4 ++-
appendix/whymb/whymemorybarriers.tex | 4 ++-
count/count.tex | 4 ++-
cpu/cpu.tex | 4 ++-
datastruct/datastruct.tex | 12 ++++----
debugging/debugging.tex | 4 ++-
defer/defer.tex | 4 ++-
easy/easy.tex | 4 ++-
formal/axiomatic.tex | 26 ++++++++++-------
formal/formal.tex | 4 ++-
future/future.tex | 4 ++-
howto/howto.tex | 27 ++++++++++++++----
intro/intro.tex | 4 ++-
locking/locking.tex | 4 ++-
memorder/memorder.tex | 4 ++-
owned/owned.tex | 4 ++-
perfbook-lt.tex | 5 ++++
qqz.sty | 22 +++++++++++++--
together/together.tex | 4 ++-
toolsoftrade/toolsoftrade.tex | 4 ++-
utilities/divideqqz.pl | 42 ++++++++++++++++++++++++++++
26 files changed, 179 insertions(+), 46 deletions(-)
create mode 100755 utilities/divideqqz.pl
--
2.17.1
^ permalink raw reply [flat|nested] 7+ messages in thread
* [PATCH 1/5] Makefile: Fix typo in CREFPTN
2020-07-29 15:11 [PATCH 0/5] Chapterwise QQZ answers Akira Yokosawa
@ 2020-07-29 15:13 ` Akira Yokosawa
2020-07-29 15:15 ` [PATCH 2/5] Enhance qqz scheme for chapterwise QQZ answers Akira Yokosawa
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: Akira Yokosawa @ 2020-07-29 15:13 UTC (permalink / raw)
To: Paul E. McKenney; +Cc: perfbook, Akira Yokosawa
From ad129055142dfaa6a816d541c767c1cd86c0cf73 Mon Sep 17 00:00:00 2001
From: Akira Yokosawa <akiyks@gmail.com>
Date: Mon, 27 Jul 2020 16:10:26 +0900
Subject: [PATCH 1/5] Makefile: Fix typo in CREFPTN
This regular expression is supposed to catch a pattern of
\cref{ref:a} {ref:b}, which will result in something like:
Section 1.2 ref:b ...
Due to a typo in the expression, it catches
... { ... \cref{ref:a} ... } { ... }
, which is a false positive.
Fixing the pattern to "[^}]+}" will avoid the false positive.
Fixes: 962cbb73ce0c ("Makefile: Add check of \crefrange and \clnrefrange misuse")
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
---
Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
index 802d638e..4e2b65ab 100644
--- a/Makefile
+++ b/Makefile
@@ -135,7 +135,7 @@ LINEREF_ENV_END := $(shell grep -l -F '\end{lineref}' $(LATEXSOURCES))
LINELABEL_ENV := $(sort $(LINELABEL_ENV_BEGIN) $(LINELABEL_ENV_END))
LINEREF_ENV := $(sort $(LINEREF_ENV_BEGIN) $(LINEREF_ENV_END))
-CREFPTN := '\\[Cc](ln)?ref{[^{]+}\s*{[^}]+}'
+CREFPTN := '\\[Cc](ln)?ref{[^}]+}\s*{[^}]+}'
CREFPAIR := $(shell grep -l -zo -E $(CREFPTN) $(LATEXSOURCES))
SOURCES_OF_SNIPPET_ALL := $(shell grep -r -l -F '\begin{snippet}' CodeSamples)
--
2.17.1
^ permalink raw reply related [flat|nested] 7+ messages in thread
* [PATCH 2/5] Enhance qqz scheme for chapterwise QQZ answers
2020-07-29 15:11 [PATCH 0/5] Chapterwise QQZ answers Akira Yokosawa
2020-07-29 15:13 ` [PATCH 1/5] Makefile: Fix typo in CREFPTN Akira Yokosawa
@ 2020-07-29 15:15 ` Akira Yokosawa
2020-07-29 15:17 ` [PATCH 3/5] perfbook-lt.tex: Tell cleveref not to capitalize 'page' in \cpageref{} Akira Yokosawa
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: Akira Yokosawa @ 2020-07-29 15:15 UTC (permalink / raw)
To: Paul E. McKenney; +Cc: perfbook, Akira Yokosawa
From fe2a375d55b744d48f776586caafa261bc6486fa Mon Sep 17 00:00:00 2001
From: Akira Yokosawa <akiyks@gmail.com>
Date: Mon, 27 Jul 2020 20:45:35 +0900
Subject: [PATCH 2/5] Enhance qqz scheme for chapterwise QQZ answers
This commit enables chapterwise QQZ answers in target perfbook-nq.pdf.
To achieve this, following changes are made.
o Add a boolean "qqzchpend" in the preamble.
o In qqz.sty, add a 3rd argument to \QuickQuizChapter{} and
\QuickQAC{}. It is used to specify basename of chapterwise
QQZ .tex file. Also add a command \QuickQuizAnswerChp{} for
conditionally including the chapterwise QQZ file.
o In chapter level .tex files, add the 3rd argument to
\QuickQuizChapter{} at the top and add the \QuickQuizAnswersChp{}
commands at the bottom.
Chapterwise QQZ files are named qqzhowto.tex, qqzintro.tex, and
so on.
o Add a script "utilities/divideqqz.pl" to generate chapterwise
qqz .tex files.
o Tweak howto.tex to deal with the lack of answers to QQZ in
Appendix.
o Enable "qqzchpend" for target perfbook-nq.pdf.
o Update .gitignore (qqz*.tex)
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
---
.gitignore | 2 +-
Makefile | 15 ++++++++--
SMPdesign/SMPdesign.tex | 4 ++-
advsync/advsync.tex | 4 ++-
appendix/questions/questions.tex | 4 ++-
appendix/toyrcu/toyrcu.tex | 4 ++-
appendix/whymb/whymemorybarriers.tex | 4 ++-
count/count.tex | 4 ++-
cpu/cpu.tex | 4 ++-
datastruct/datastruct.tex | 4 ++-
debugging/debugging.tex | 4 ++-
defer/defer.tex | 4 ++-
easy/easy.tex | 4 ++-
formal/formal.tex | 4 ++-
future/future.tex | 4 ++-
howto/howto.tex | 27 ++++++++++++++----
intro/intro.tex | 4 ++-
locking/locking.tex | 4 ++-
memorder/memorder.tex | 4 ++-
owned/owned.tex | 4 ++-
perfbook-lt.tex | 3 ++
qqz.sty | 22 +++++++++++++--
together/together.tex | 4 ++-
toolsoftrade/toolsoftrade.tex | 4 ++-
utilities/divideqqz.pl | 42 ++++++++++++++++++++++++++++
25 files changed, 156 insertions(+), 31 deletions(-)
create mode 100755 utilities/divideqqz.pl
diff --git a/.gitignore b/.gitignore
index d0459aef..a25a00b7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,7 +24,7 @@
*.pdfq
*.synctex*
perfbook_flat.tex
-qqz.tex
+qqz*.tex
contrib.tex
origpub.tex
perfbook*.out
diff --git a/Makefile b/Makefile
index 4e2b65ab..3e0503d7 100644
--- a/Makefile
+++ b/Makefile
@@ -16,7 +16,12 @@ LATEXSOURCES = \
LST_SOURCES := $(wildcard CodeSamples/formal/promela/*.lst) \
$(wildcard appendix/styleguide/*.c)
-LATEXGENERATED = autodate.tex qqz.tex contrib.tex origpub.tex
+SUB_QQZ := qqzhowto.tex qqzintro.tex qqzcpu.tex qqztoolsoftrade.tex \
+ qqzcount.tex qqzSMPdesign.tex qqzlocking.tex qqzowned.tex \
+ qqzdefer.tex qqzdatastruct.tex qqzdebugging.tex qqzformal.tex \
+ qqztogether.tex qqzadvsync.tex qqzmemorder.tex qqzeasy.tex \
+ qqzfuture.tex qqzquestions.tex qqztoyrcu.tex qqzwhymb.tex
+LATEXGENERATED = autodate.tex qqz.tex contrib.tex origpub.tex $(SUB_QQZ)
TWOCOLTARGETS := mstx msr msn msnt sf qq nq
ABBREVTARGETS := lt hb a4 1c tcb msns mss $(TWOCOLTARGETS) $(foreach v,$(TWOCOLTARGETS),1c$(v))
@@ -245,6 +250,9 @@ contrib.tex: perfbook_flat.tex qqz.tex
origpub.tex: perfbook_flat.tex
sh utilities/extractorigpub.sh < $< > $@
+$(SUB_QQZ): qqz.tex
+ utilities/divideqqz.pl
+
perfbook.tex: $(PERFBOOK_BASE)
cp $< $@
@@ -328,7 +336,8 @@ perfbook-qq.tex perfbook-1cqq.tex:
perfbook-nq.tex: $(PERFBOOK_BASE)
perfbook-1cnq.tex: perfbook-1c.tex
perfbook-nq.tex perfbook-1cnq.tex:
- sed -e 's/setboolean{noqqz}{false}/setboolean{noqqz}{true}/' < $< > $@
+ sed -e 's/setboolean{noqqz}{false}/setboolean{noqqz}{true}/' \
+ -e 's/{qqzchpend}{false}/{qqzchpend}{true}/' < $< > $@
perfbook-a4.tex: perfbook-lt.tex
perfbook-a4.tex:
@@ -458,7 +467,7 @@ help-full: help-official
@echo "Experimental targets:"
@echo " Full, Abbr."
@echo " perfbook-qq.pdf, qq: framed Quick Quizzes"
- @echo " perfbook-nq.pdf, nq: without inline Quick Quizzes"
+ @echo " perfbook-nq.pdf, nq: no inline Quick Quizzes (chapterwise Answers)"
@echo " perfbook-msnt.pdf, msnt: newtxtt as monospace (non-slashed 0)"
@echo " perfbook-mstx.pdf, mstx: txtt as monospace"
@echo " perfbook-msr.pdf, msr: regular thickness courier clone as monospace"
diff --git a/SMPdesign/SMPdesign.tex b/SMPdesign/SMPdesign.tex
index ef4d4c6c..c7570bae 100644
--- a/SMPdesign/SMPdesign.tex
+++ b/SMPdesign/SMPdesign.tex
@@ -2,7 +2,7 @@
% mainfile: ../perfbook.tex
% SPDX-License-Identifier: CC-BY-SA-3.0
-\QuickQuizChapter{cha:Partitioning and Synchronization Design}{Partitioning and Synchronization Design}
+\QuickQuizChapter{cha:Partitioning and Synchronization Design}{Partitioning and Synchronization Design}{qqzSMPdesign}
%
\Epigraph{Divide and rule.}{\emph{Philip II of Macedon}}
@@ -1315,3 +1315,5 @@ System memory & Code locking & Memory from/to system \\
\end{table}
\input{SMPdesign/beyond}
+
+\QuickQuizAnswersChp{qqzSMPdesign}
diff --git a/advsync/advsync.tex b/advsync/advsync.tex
index 66cc797a..bfd3737d 100644
--- a/advsync/advsync.tex
+++ b/advsync/advsync.tex
@@ -2,7 +2,7 @@
% mainfile: ../perfbook.tex
% SPDX-License-Identifier: CC-BY-SA-3.0
-\QuickQuizChapter{sec:advsync:Advanced Synchronization}{Advanced Synchronization}
+\QuickQuizChapter{sec:advsync:Advanced Synchronization}{Advanced Synchronization}{qqzadvsync}
%
\Epigraph{If a little knowledge is a dangerous thing, just think what
you could do with a lot of knowledge!}{\emph{Unknown}}
@@ -455,3 +455,5 @@ However, once an appropriate body of theory becomes available,\footnote{
it is wise to make use of it.
\input{advsync/rt}
+
+\QuickQuizAnswersChp{qqzadvsync}
diff --git a/appendix/questions/questions.tex b/appendix/questions/questions.tex
index f5b04d5f..4bb981bc 100644
--- a/appendix/questions/questions.tex
+++ b/appendix/questions/questions.tex
@@ -2,7 +2,7 @@
% mainfile: ../../perfbook.tex
% SPDX-License-Identifier: CC-BY-SA-3.0
-\QuickQuizChapter{cha:app:Important Questions}{Important Questions}
+\QuickQuizChapter{cha:app:Important Questions}{Important Questions}{qqzquestions}
%
\Epigraph{Ask me no questions, and I'll tell you no fibs.}
{\emph{``She Stoops to Conquer'', Oliver Goldsmith}}
@@ -31,3 +31,5 @@ pose an overwhelming challenge.
\input{appendix/questions/concurrentparallel}
\input{appendix/questions/time}
\input{appendix/questions/ordering}
+
+\QuickQuizAnswersChp{qqzquestions}
diff --git a/appendix/toyrcu/toyrcu.tex b/appendix/toyrcu/toyrcu.tex
index abfdf41a..6feff768 100644
--- a/appendix/toyrcu/toyrcu.tex
+++ b/appendix/toyrcu/toyrcu.tex
@@ -2,7 +2,7 @@
% mainfile: ../../perfbook.tex
% SPDX-License-Identifier: CC-BY-SA-3.0
-\QuickQuizChapter{chp:app:``Toy'' RCU Implementations}{``Toy'' RCU Implementations}
+\QuickQuizChapter{chp:app:``Toy'' RCU Implementations}{``Toy'' RCU Implementations}{qqztoyrcu}
%
\Epigraph{The only difference between men and boys is the price of their toys.}
{\emph{M. H\'ebert}}
@@ -1647,3 +1647,5 @@ create a new RCU implementation.
to a (mythical) unconditional read-to-write upgrade for
reader-writer locking.
}\QuickQuizEnd
+
+\QuickQuizAnswersChp{qqztoyrcu}
diff --git a/appendix/whymb/whymemorybarriers.tex b/appendix/whymb/whymemorybarriers.tex
index a6e9fcdf..dff7fafc 100644
--- a/appendix/whymb/whymemorybarriers.tex
+++ b/appendix/whymb/whymemorybarriers.tex
@@ -2,7 +2,7 @@
% mainfile: ../../perfbook.tex
% SPDX-License-Identifier: CC-BY-SA-3.0
-\QuickQuizChapter{chp:app:whymb:Why Memory Barriers?}{Why Memory Barriers?}
+\QuickQuizChapter{chp:app:whymb:Why Memory Barriers?}{Why Memory Barriers?}{qqzwhymb}
%
\Epigraph{Order!
Order in the court!}
@@ -1669,3 +1669,5 @@ future such problems:
\end{enumerate}
Again, we encourage hardware designers to avoid these practices!
+
+\QuickQuizAnswersChp{qqzwhymb}
diff --git a/count/count.tex b/count/count.tex
index 0dd35271..161ad2fc 100644
--- a/count/count.tex
+++ b/count/count.tex
@@ -2,7 +2,7 @@
% mainfile: ../perfbook.tex
% SPDX-License-Identifier: CC-BY-SA-3.0
-\QuickQuizChapter{chp:Counting}{Counting}
+\QuickQuizChapter{chp:Counting}{Counting}{qqzcount}
%
\Epigraph{As easy as 1, 2, 3!}{\emph{Unknown}}
@@ -3247,3 +3247,5 @@ fundamental concurrency issues without the distraction of
complex synchronization primitives or elaborate data structures.
Such synchronization primitives and data structures are covered
in later chapters.
+
+\QuickQuizAnswersChp{qqzcount}
diff --git a/cpu/cpu.tex b/cpu/cpu.tex
index c563364a..85327a33 100644
--- a/cpu/cpu.tex
+++ b/cpu/cpu.tex
@@ -2,7 +2,7 @@
% mainfile: ../perfbook.tex
% SPDX-License-Identifier: CC-BY-SA-3.0
-\QuickQuizChapter{chp:Hardware and its Habits}{Hardware and its Habits}
+\QuickQuizChapter{chp:Hardware and its Habits}{Hardware and its Habits}{qqzcpu}
%
\Epigraph{Premature abstraction is the root of all evil.}
{\emph{A cast of thousands}}
@@ -68,3 +68,5 @@ Chapter~\ref{chp:Counting} will investigate problems and solutions to
parallel counting, and
Chapter~\ref{cha:Partitioning and Synchronization Design}
will discuss design disciplines that promote performance and scalability.
+
+\QuickQuizAnswersChp{qqzcpu}
diff --git a/datastruct/datastruct.tex b/datastruct/datastruct.tex
index 347b9381..16dc2286 100644
--- a/datastruct/datastruct.tex
+++ b/datastruct/datastruct.tex
@@ -2,7 +2,7 @@
% mainfile: ../perfbook.tex
% SPDX-License-Identifier: CC-BY-SA-3.0
-\QuickQuizChapter{chp:Data Structures}{Data Structures}
+\QuickQuizChapter{chp:Data Structures}{Data Structures}{qqzdatastruct}
%
\Epigraph{Bad programmers worry about the code. Good programmers worry
about data structures and their relationships.}
@@ -1938,3 +1938,5 @@ including:
That said, performance and scalability are of little use without reliability,
so the next chapter covers validation.
+
+\QuickQuizAnswersChp{qqzdatastruct}
diff --git a/debugging/debugging.tex b/debugging/debugging.tex
index 4f13c4bc..39d46f9b 100644
--- a/debugging/debugging.tex
+++ b/debugging/debugging.tex
@@ -2,7 +2,7 @@
% mainfile: ../perfbook.tex
% SPDX-License-Identifier: CC-BY-SA-3.0
-\QuickQuizChapter{chp:Validation}{Validation}
+\QuickQuizChapter{chp:Validation}{Validation}{qqzdebugging}
%
\Epigraph{If it is not tested, it doesn't work.}{\emph{Unknown}}
@@ -2657,3 +2657,5 @@ and, more speculatively, Section~\ref{sec:future:Formal Regression Testing?}.
The topic of choosing a validation plan, be it testing, formal
verification, or both, is taken up by
\cref{sec:formal:Choosing a Validation Plan}.
+
+\QuickQuizAnswersChp{qqzdebugging}
diff --git a/defer/defer.tex b/defer/defer.tex
index e972ddc1..738b13a5 100644
--- a/defer/defer.tex
+++ b/defer/defer.tex
@@ -2,7 +2,7 @@
% mainfile: ../perfbook.tex
% SPDX-License-Identifier: CC-BY-SA-3.0
-\QuickQuizChapter{chp:Deferred Processing}{Deferred Processing}
+\QuickQuizChapter{chp:Deferred Processing}{Deferred Processing}{qqzdefer}
%
\Epigraph{All things come to those who wait.}{\emph{Violet Fane}}
@@ -113,3 +113,5 @@ ideal scalability and performance.
\input{defer/rcuexercises}
\input{defer/whichtochoose}
\input{defer/updates}
+
+\QuickQuizAnswersChp{qqzdefer}
diff --git a/easy/easy.tex b/easy/easy.tex
index ca4d1c14..455dffdd 100644
--- a/easy/easy.tex
+++ b/easy/easy.tex
@@ -2,7 +2,7 @@
% mainfile: ../perfbook.tex
% SPDX-License-Identifier: CC-BY-SA-3.0
-\QuickQuizChapter{chp:Ease of Use}{Ease of Use}
+\QuickQuizChapter{chp:Ease of Use}{Ease of Use}{qqzeasy}
%
\Epigraph{Creating a perfect API is like committing the perfect crime.
There are at least fifty things that can go wrong, and if you are
@@ -298,3 +298,5 @@ Figure~\ref{fig:easy:Shaving the Mandelbrot Set}.
\caption{Shaving the Mandelbrot Set}
\ContributedBy{Figure}{fig:easy:Shaving the Mandelbrot Set}{Melissa Broussard}
\end{figure}
+
+\QuickQuizAnswersChp{qqzeasy}
diff --git a/formal/formal.tex b/formal/formal.tex
index b37bbcb0..24289420 100644
--- a/formal/formal.tex
+++ b/formal/formal.tex
@@ -2,7 +2,7 @@
% mainfile: ../perfbook.tex
% SPDX-License-Identifier: CC-BY-SA-3.0
-\QuickQuizChapter{chp:Formal Verification}{Formal Verification}
+\QuickQuizChapter{chp:Formal Verification}{Formal Verification}{qqzformal}
%
\Epigraph{Beware of bugs in the above code; I have only proved it correct,
not tried it.}{\emph{Donald Knuth}}
@@ -376,3 +376,5 @@ In short, choosing a validation plan for concurrent software remains
more an art than a science, let alone a field of engineering.
However, there is every reason to expect that ordered approaches
will continue to become more prevalent.
+
+\QuickQuizAnswersChp{qqzformal}
diff --git a/future/future.tex b/future/future.tex
index e7832811..96cda4bb 100644
--- a/future/future.tex
+++ b/future/future.tex
@@ -2,7 +2,7 @@
% mainfile: ../perfbook.tex
% SPDX-License-Identifier: CC-BY-SA-3.0
-\QuickQuizChapter{chp:Conflicting Visions of the Future}{Conflicting Visions of the Future}
+\QuickQuizChapter{chp:Conflicting Visions of the Future}{Conflicting Visions of the Future}{qqzfuture}
%
\Epigraph{Prediction is very difficult, especially about the future.}
{\emph{Niels Bohr}}
@@ -151,3 +151,5 @@ that this long-touted methodology is starting to see credible
competition on its formal-verification home turf.
There is therefore continued reason to doubt the inevitability of
functional-programming dominance.
+
+\QuickQuizAnswersChp{qqzfuture}
diff --git a/howto/howto.tex b/howto/howto.tex
index c929aa10..23064a72 100644
--- a/howto/howto.tex
+++ b/howto/howto.tex
@@ -2,7 +2,7 @@
% mainfile: ../perfbook.tex
% SPDX-License-Identifier: CC-BY-SA-3.0
-\QuickQuizChapter{chp:How To Use This Book}{How To Use This Book}
+\QuickQuizChapter{chp:How To Use This Book}{How To Use This Book}{qqzhowto}
%
\Epigraph{If you would only recognize that life is hard, things would be so
much easier for you.}{\emph{Louis D. Brandeis}}
@@ -132,9 +132,11 @@ This chapter is followed by a number of appendices.
The most popular of these appears to be
Appendix~\ref{chp:app:whymb:Why Memory Barriers?},
which delves even further into memory ordering.
+\IfQqzChpEnd{}{
Appendix~\ref{chp:Answers to Quick Quizzes}
contains the answers to the infamous Quick Quizzes, which are discussed in
the next section.
+}
\section{Quick Quizzes}
\label{sec:howto:Quick Quizzes}
@@ -144,8 +146,15 @@ the next section.
``Quick quizzes'' appear throughout this book, and the answers may
be found in
-Appendix~\ref{chp:Answers to Quick Quizzes} starting on
-page~\pageref{chp:Answers to Quick Quizzes}.
+\IfQqzChpEnd{
+the final section of each chapter.\footnote{
+ In the official release/edition of this book, all the answers are
+ gathered in an Appendix.
+}
+}{
+\cref{chp:Answers to Quick Quizzes} starting on
+\cpageref{chp:Answers to Quick Quizzes}.
+}
Some of them are based on material in which that quick quiz
appears, but others require you to think beyond that section, and,
in some cases, beyond the realm of current knowledge.
@@ -160,9 +169,13 @@ of parallel programming.
\QuickQuizB{
Where are the answers to the Quick Quizzes found?
}\QuickQuizAnswerB{
- In Appendix~\ref{chp:Answers to Quick Quizzes} starting on
- page~\pageref{chp:Answers to Quick Quizzes}.
-
+\IfQqzChpEnd{
+ At the end of each chapter as you see here in
+ \cref{sec:qqzhowto:Answers to Quick Quizzes}.
+}{
+ In \cref{chp:Answers to Quick Quizzes} starting on
+ \cpageref{chp:Answers to Quick Quizzes}.
+}
Hey, I thought I owed you an easy one!
}\QuickQuizEndB
%
@@ -525,3 +538,5 @@ The style for this particular book is documented in
As noted at the beginning of this section, I am this book's editor.
However, if you choose to contribute, it will be your book as well.
With that, I offer you Chapter~\ref{chp:Introduction}, our introduction.
+
+\QuickQuizAnswersChp{qqzhowto}
diff --git a/intro/intro.tex b/intro/intro.tex
index 1de276b2..cfd6f91d 100644
--- a/intro/intro.tex
+++ b/intro/intro.tex
@@ -2,7 +2,7 @@
% mainfile: ../perfbook.tex
% SPDX-License-Identifier: CC-BY-SA-3.0
-\QuickQuizChapter{chp:Introduction}{Introduction}
+\QuickQuizChapter{chp:Introduction}{Introduction}{qqzintro}
%
\Epigraph{If parallel programming is so hard, why are there so many
parallel programs?}{\emph{Unknown}}
@@ -1240,3 +1240,5 @@ parallel-programming challenge here in the 21\textsuperscript{st} century!
We are now ready to proceed to the next chapter, which dives into the
relevant properties of the parallel hardware underlying our parallel
software.
+
+\QuickQuizAnswersChp{qqzintro}
diff --git a/locking/locking.tex b/locking/locking.tex
index ebcd0e35..89659d9c 100644
--- a/locking/locking.tex
+++ b/locking/locking.tex
@@ -2,7 +2,7 @@
% mainfile: ../perfbook.tex
% SPDX-License-Identifier: CC-BY-SA-3.0
-\QuickQuizChapter{chp:Locking}{Locking}
+\QuickQuizChapter{chp:Locking}{Locking}{qqzlocking}
%
\Epigraph{Locking is the worst general-purpose synchronization mechanism
except for all those other mechanisms that
@@ -2467,3 +2467,5 @@ need to one day run in parallel, locking should therefore not be the
only tool in your parallel-programming toolbox.
The next few chapters will discuss other tools, and how they can best
be used in concert with locking and with each other.
+
+\QuickQuizAnswersChp{qqzlocking}
diff --git a/memorder/memorder.tex b/memorder/memorder.tex
index fb623ca7..44e1d14d 100644
--- a/memorder/memorder.tex
+++ b/memorder/memorder.tex
@@ -2,7 +2,7 @@
% mainfile: ../perfbook.tex
% SPDX-License-Identifier: CC-BY-SA-3.0
-\QuickQuizChapter{chp:Advanced Synchronization: Memory Ordering}{Advanced Synchronization: Memory Ordering}
+\QuickQuizChapter{chp:Advanced Synchronization: Memory Ordering}{Advanced Synchronization: Memory Ordering}{qqzmemorder}
\OriginallyPublished{Chapter}{chp:Advanced Synchronization: Memory Ordering}{Advanced Synchronization: Memory Ordering}{the Linux kernel}{Howells2009membartxt}
\OriginallyPublished{Chapter}{chp:Advanced Synchronization: Memory Ordering}{Advanced Synchronization: Memory Ordering}{Linux Weekly News}{JadeAlglave2017LWN-LKMM-1,JadeAlglave2017LWN-LKMM-2}
%
@@ -4858,3 +4858,5 @@ One final word of advice: Use of raw memory-ordering primitives is
a last resort.
It is almost always better to use existing primitives, such as locking
or RCU, thus letting those primitives do the memory ordering for you.
+
+\QuickQuizAnswersChp{qqzmemorder}
diff --git a/owned/owned.tex b/owned/owned.tex
index b45fabb1..163f2d89 100644
--- a/owned/owned.tex
+++ b/owned/owned.tex
@@ -2,7 +2,7 @@
% mainfile: ../perfbook.tex
% SPDX-License-Identifier: CC-BY-SA-3.0
-\QuickQuizChapter{chp:Data Ownership}{Data Ownership}
+\QuickQuizChapter{chp:Data Ownership}{Data Ownership}{qqzowned}
%
\Epigraph{It is mine, I tell you. My own. My precious. Yes, my precious.}
{\emph{Gollum in ``The Fellowship of the Ring'', J.R.R.~Tolkien}}
@@ -435,3 +435,5 @@ greater performance and scalability coupled with reduced complexity.
% populate with problems showing benefits of coupling data ownership with
% other approaches. For example, work-stealing schedulers. Perhaps also
% move memory allocation here, though its current location is quite good.
+
+\QuickQuizAnswersChp{qqzowned}
diff --git a/perfbook-lt.tex b/perfbook-lt.tex
index 46b6ad06..6b339d51 100644
--- a/perfbook-lt.tex
+++ b/perfbook-lt.tex
@@ -93,6 +93,9 @@
\newboolean{noqqz}
\setboolean{noqqz}{false}
\newcommand{\IfNoQqz}[2]{\ifthenelse{\boolean{noqqz}}{#1}{#2}}
+\newboolean{qqzchpend}
+\setboolean{qqzchpend}{false}
+\newcommand{\IfQqzChpEnd}[2]{\ifthenelse{\boolean{qqzchpend}}{#1}{#2}}
\input{autodate} % need to input here to reflect tag state
\usepackage{qqz}
diff --git a/qqz.sty b/qqz.sty
index 815ba2ad..6d87e192 100644
--- a/qqz.sty
+++ b/qqz.sty
@@ -64,7 +64,7 @@
\newcommand{\QuickQHeadingMiddle}[3]{\scriptsize\hyperref[#2.#3]{{ #3}}\label{#1.#3},}
\newcommand{\QuickQHeadingEnd}[3]{\scriptsize\hyperref[#2.#3]{{ #3}}\label{#1.#3}}
-\newcommand{\QuickQuizChapter}[2]{
+\newcommand{\QuickQuizChapter}[3]{
\chapter{#2}
\label{#1}
}
@@ -168,6 +168,15 @@
\hyperref[QQA.#1]{Quick Quiz~#1}%
}
+\IfQqzChpEnd{
+\newcommand{\QuickQuizAnswers}{}
+\newcommand{\QuickQuizAnswersChp}[1]{
+% \renewcommand*{\theHNum}{\arabic{section}.\arabic{quickquizctrC}}
+% \label{sec:#1:Answers to Quick Quizzes}
+ \setlength{\parskip}{0.0pt plus 1ex}
+ \input{#1}
+ \setlength{\parskip}{0.0pt plus 1.0pt}% return to default
+}}{
\newcommand{\QuickQuizAnswers}{
\renewcommand*{\theHNum}{\arabic{section}.\arabic{quickquizctrC}}
\chapter{Answers to Quick Quizzes}
@@ -179,12 +188,21 @@
\input{qqz}
\setlength{\parskip}{0.0pt plus 1.0pt}% return to default
}
+\newcommand{\QuickQuizAnswersChp}[1]{}
+}
%% Internal interfaces generated by scripts.
-\newcommand{\QuickQAC}[2]{
+\IfQqzChpEnd{
+\newcommand{\QuickQAC}[3]{
+ \edef\QuickQuizAnswerChapter{\getrefnumber{#1}}
+ \section{Answers to Quick Quizzes}
+ \label{sec:#3:Answers to Quick Quizzes}}
+}{
+\newcommand{\QuickQAC}[3]{
\edef\QuickQuizAnswerChapter{\getrefnumber{#1}}
\section{#2}}
+}
\IfQqzBg{
\newcommand{\QuickQ}[1]{
diff --git a/together/together.tex b/together/together.tex
index 88eb9568..4b558b71 100644
--- a/together/together.tex
+++ b/together/together.tex
@@ -2,7 +2,7 @@
% mainfile: ../perfbook.tex
% SPDX-License-Identifier: CC-BY-SA-3.0
-\QuickQuizChapter{chp:Putting It All Together}{Putting It All Together}
+\QuickQuizChapter{chp:Putting It All Together}{Putting It All Together}{qqztogether}
%
\Epigraph{You don't learn how to shoot and then learn how to launch
and then learn to do a controlled spin---you learn to
@@ -26,3 +26,5 @@ and finishing off with some hashing hassles in
\input{together/hash.tex}
% Later add section on updates: hashed arrays of locks, fifos/streaming,
% batching to trade off latency for perf/scale.
+
+\QuickQuizAnswersChp{qqztogether}
diff --git a/toolsoftrade/toolsoftrade.tex b/toolsoftrade/toolsoftrade.tex
index 71b935d7..034e72f0 100644
--- a/toolsoftrade/toolsoftrade.tex
+++ b/toolsoftrade/toolsoftrade.tex
@@ -2,7 +2,7 @@
% mainfile: ../perfbook.tex
% SPDX-License-Identifier: CC-BY-SA-3.0
-\QuickQuizChapter{chp:Tools of the Trade}{Tools of the Trade}
+\QuickQuizChapter{chp:Tools of the Trade}{Tools of the Trade}{qqztoolsoftrade}
%
\Epigraph{You are only as good as your tools, and your tools are only
as good as you are.}{\emph{Unknown}}
@@ -2629,3 +2629,5 @@ you realize that you are in trouble~\cite{DeadlockEmpire2016}.
Therefore, it is necessary to make the right design choices as well as
the correct choice of individual primitives,
as will be discussed at length in subsequent chapters.
+
+\QuickQuizAnswersChp{qqztoolsoftrade}
diff --git a/utilities/divideqqz.pl b/utilities/divideqqz.pl
new file mode 100755
index 00000000..7387f683
--- /dev/null
+++ b/utilities/divideqqz.pl
@@ -0,0 +1,42 @@
+#!/usr/bin/perl
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Divide qqz.tex for each chapter
+#
+# Usage:
+#
+# $ utilities/divideqqz.pl
+#
+# Note:
+#
+# Input file is fixed to qqz.tex.
+#
+# Name of each output file is taken from the 3rd argument of the
+# \QuickQAC macro, which originates from the \QuickQuizChapter macro
+# in source .tex files.
+#
+# Copyright (C) Akira Yokosawa, 2020
+#
+# Authors: Akira Yokosawa <akiyks@gmail.com>
+
+use strict;
+use warnings;
+
+my $src_file = "qqz.tex";
+my $chp_name;
+my $QAC_ptn = "\\\\QuickQAC\\{[^}]*}\\{[^}]*}\\{([^}]*)}" ;
+my $out_h;
+my $out_file;
+
+open(my $in_h, "<", $src_file) or die "cannot open $src_file: $!" ;
+while (my $line = <$in_h>) {
+ if ($line =~ /$QAC_ptn/) {
+ $out_file = $1 . ".tex" ;
+ open ($out_h, ">", $out_file) or die "cannot open $out_file: $!" ;
+ print $out_h "% mainfile: perfbook.tex\n" ;
+ print $out_h "% Do not edit! Generated by divideqqz.pl\n" ;
+ }
+ if ($out_h) {
+ print $out_h $line ;
+ }
+}
--
2.17.1
^ permalink raw reply related [flat|nested] 7+ messages in thread
* [PATCH 3/5] perfbook-lt.tex: Tell cleveref not to capitalize 'page' in \cpageref{}
2020-07-29 15:11 [PATCH 0/5] Chapterwise QQZ answers Akira Yokosawa
2020-07-29 15:13 ` [PATCH 1/5] Makefile: Fix typo in CREFPTN Akira Yokosawa
2020-07-29 15:15 ` [PATCH 2/5] Enhance qqz scheme for chapterwise QQZ answers Akira Yokosawa
@ 2020-07-29 15:17 ` Akira Yokosawa
2020-07-29 15:18 ` [PATCH 4/5] datastruct: Use nbsp in captions (State (a), State (b), etc.) Akira Yokosawa
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: Akira Yokosawa @ 2020-07-29 15:17 UTC (permalink / raw)
To: Paul E. McKenney; +Cc: perfbook, Akira Yokosawa
From 9488aa3736a281a0f9be8b9f1748c25c9d60f970 Mon Sep 17 00:00:00 2001
From: Akira Yokosawa <akiyks@gmail.com>
Date: Tue, 28 Jul 2020 00:30:36 +0900
Subject: [PATCH 3/5] perfbook-lt.tex: Tell cleveref not to capitalize 'page' in \cpageref{}
Negate the "capitalise" option for "page" type reference.
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
---
perfbook-lt.tex | 2 ++
1 file changed, 2 insertions(+)
diff --git a/perfbook-lt.tex b/perfbook-lt.tex
index 6b339d51..7432eecc 100644
--- a/perfbook-lt.tex
+++ b/perfbook-lt.tex
@@ -225,6 +225,8 @@
\crefname{sublisting}{Listing}{Listings}
\crefname{sequencei}{step}{steps}
\Crefname{sequencei}{Step}{Steps}
+\crefname{page}{page}{pages}
+\Crefname{page}{Page}{Pages}
\newcommand{\crefrangeconjunction}{--}
\newcommand{\creflastconjunction}{, and~}
--
2.17.1
^ permalink raw reply related [flat|nested] 7+ messages in thread
* [PATCH 4/5] datastruct: Use nbsp in captions (State (a), State (b), etc.)
2020-07-29 15:11 [PATCH 0/5] Chapterwise QQZ answers Akira Yokosawa
` (2 preceding siblings ...)
2020-07-29 15:17 ` [PATCH 3/5] perfbook-lt.tex: Tell cleveref not to capitalize 'page' in \cpageref{} Akira Yokosawa
@ 2020-07-29 15:18 ` Akira Yokosawa
2020-07-29 15:20 ` [PATCH 5/5] formal: Retouch Table E.4 Akira Yokosawa
2020-07-29 17:53 ` [PATCH 0/5] Chapterwise QQZ answers Paul E. McKenney
5 siblings, 0 replies; 7+ messages in thread
From: Akira Yokosawa @ 2020-07-29 15:18 UTC (permalink / raw)
To: Paul E. McKenney; +Cc: perfbook, Akira Yokosawa
From 05b67c1d4b598ac44fb159c1e6d8a56cdc17838f Mon Sep 17 00:00:00 2001
From: Akira Yokosawa <akiyks@gmail.com>
Date: Tue, 28 Jul 2020 11:33:56 +0900
Subject: [PATCH 4/5] datastruct: Use nbsp in captions (State (a), State (b), etc.)
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
---
datastruct/datastruct.tex | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/datastruct/datastruct.tex b/datastruct/datastruct.tex
index 16dc2286..c279115d 100644
--- a/datastruct/datastruct.tex
+++ b/datastruct/datastruct.tex
@@ -840,14 +840,14 @@ concurrently with a resize operation (as well as with each other).
\begin{figure}[tb]
\centering
\resizebox{3in}{!}{\includegraphics{datastruct/hashxu-a}}
-\caption{Growing a Double-List Hash Table, State (a)}
+\caption{Growing a Double-List Hash Table, State~(a)}
\label{fig:datastruct:Growing a Double-List Hash Table; State (a)}
\end{figure}
\begin{figure}[tb]
\centering
\resizebox{3in}{!}{\includegraphics{datastruct/hashxu-b}}
-\caption{Growing a Double-List Hash Table, State (b)}
+\caption{Growing a Double-List Hash Table, State~(b)}
\label{fig:datastruct:Growing a Double-List Hash Table; State (b)}
\end{figure}
@@ -868,14 +868,14 @@ with readers still using the original two-bucket array.
\begin{figure}[tb]
\centering
\resizebox{3in}{!}{\includegraphics{datastruct/hashxu-c}}
-\caption{Growing a Double-List Hash Table, State (c)}
+\caption{Growing a Double-List Hash Table, State~(c)}
\label{fig:datastruct:Growing a Double-List Hash Table; State (c)}
\end{figure}
\begin{figure}[tb]
\centering
\resizebox{3in}{!}{\includegraphics{datastruct/hashxu-d}}
-\caption{Growing a Double-List Hash Table, State (d)}
+\caption{Growing a Double-List Hash Table, State~(d)}
\label{fig:datastruct:Growing a Double-List Hash Table; State (d)}
\end{figure}
--
2.17.1
^ permalink raw reply related [flat|nested] 7+ messages in thread
* [PATCH 5/5] formal: Retouch Table E.4
2020-07-29 15:11 [PATCH 0/5] Chapterwise QQZ answers Akira Yokosawa
` (3 preceding siblings ...)
2020-07-29 15:18 ` [PATCH 4/5] datastruct: Use nbsp in captions (State (a), State (b), etc.) Akira Yokosawa
@ 2020-07-29 15:20 ` Akira Yokosawa
2020-07-29 17:53 ` [PATCH 0/5] Chapterwise QQZ answers Paul E. McKenney
5 siblings, 0 replies; 7+ messages in thread
From: Akira Yokosawa @ 2020-07-29 15:20 UTC (permalink / raw)
To: Paul E. McKenney; +Cc: perfbook, Akira Yokosawa
From 1316c9e3a238686385e8483bc0047d07c5e24d34 Mon Sep 17 00:00:00 2001
From: Akira Yokosawa <akiyks@gmail.com>
Date: Tue, 28 Jul 2020 16:10:22 +0900
Subject: [PATCH 5/5] formal: Retouch Table E.4
Use structured headers instead of tall rotated headers.
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
---
formal/axiomatic.tex | 26 ++++++++++++++++----------
1 file changed, 16 insertions(+), 10 deletions(-)
diff --git a/formal/axiomatic.tex b/formal/axiomatic.tex
index 494ea967..46a27708 100644
--- a/formal/axiomatic.tex
+++ b/formal/axiomatic.tex
@@ -205,23 +205,29 @@ And in this case, the \co{herd} tool's output features the string
executions that fail to acquire the lock.
\begin{table}[tb]
-\rowcolors{2}{}{lightgray}
+\rowcolors{10}{}{lightgray}
\small
\centering
-\newcommand{\lockfml}[1]{\multicolumn{1}{c}{\begin{picture}(6,150)(0,0)\rotatebox{90}{#1}\end{picture}}}
+\newcommand{\lockfml}[1]{\multicolumn{1}{c}{\begin{picture}(6,8)(0,0)\rotatebox{90}{#1}\end{picture}}}
\begin{tabular}{rrrrrr}
- \lockfml{\# Processes}
- & \lockfml{Model}
- & \lockfml{Emulate: \tco{cmpxchg_acquire()}, \tco{filter}}
- & \lockfml{Emulate: \tco{xchg_acquire()}, \tco{filter}}
- & \lockfml{Emulate: \tco{cmpxchg_acquire()}, \tco{exists}}
- & \lockfml{Emulate: \tco{xchg_acquire()}, \tco{exists}}
+ \toprule
+ & Model & \multicolumn{4}{c}{Emulate} \\
+ \cmidrule(l){2-2} \cmidrule(l){3-6}
+ & & \multicolumn{2}{c}{\tco{filter}} & \multicolumn{2}{c}{\tco{exists}} \\
+ \cmidrule(l){3-4} \cmidrule(l){5-6}
+ \lockfml{\# Proc.}
+ &
+ & \tco{cmpxchg}
+ & \tco{xchg}
+ & \tco{cmpxchg}
+ & \tco{xchg}
\\
- \midrule
+ \cmidrule{1-1} \cmidrule(l){2-2} \cmidrule(l){3-4} \cmidrule(l){5-6}
2 & 0.004 & 0.022 & 0.027 & 0.039 & 0.058 \\
3 & 0.041 & 0.743 & 0.968 & 1.653 & 3.203 \\
- 4 & 0.374 & 59.565 & 74.818 & 151.962 & 500.96 \\
+ 4 & 0.374 & 59.565 & 74.818 & 151.962 & 500.960 \\
5 & 4.905 \\
+ \bottomrule
\end{tabular}
\caption{Locking: Modeling vs. Emulation Time (s)}
\label{tab:formal:Locking: Modeling vs. Emulation Time (s)}
--
2.17.1
^ permalink raw reply related [flat|nested] 7+ messages in thread
* Re: [PATCH 0/5] Chapterwise QQZ answers
2020-07-29 15:11 [PATCH 0/5] Chapterwise QQZ answers Akira Yokosawa
` (4 preceding siblings ...)
2020-07-29 15:20 ` [PATCH 5/5] formal: Retouch Table E.4 Akira Yokosawa
@ 2020-07-29 17:53 ` Paul E. McKenney
5 siblings, 0 replies; 7+ messages in thread
From: Paul E. McKenney @ 2020-07-29 17:53 UTC (permalink / raw)
To: Akira Yokosawa; +Cc: perfbook
On Thu, Jul 30, 2020 at 12:11:52AM +0900, Akira Yokosawa wrote:
> Hi Paul,
>
> So, in the mean time, I've attempted chapterwise QQZ answers.
> This patch series is the resulting changes.
>
> Patch #1 fixes a typo in Makefile which I noticed during this
> development.
>
> Patch #2 is the main change enabling chapterwise QQZ answers
> in perfbook-nq.pdf.
> This patch becomes a large one, as the addition of argument
> to macros in qqz.sty requires tree-wide changes for successful
> build. It also contains minor tweaks in howto.tex.
>
> Patches #3--#5 are minor updates.
> Patch #5 results in a table mostly identical to Table E.5.
> I don't think these quick quizzes are redundant, though.
>
> The resulting perfbook-nq.pdf looks fairly reasonable to me.
> Some of the question parts have room to improve so that
> they are less context-dependent.
>
> Let me know what you think.
Very nice!!! I have queued and pushed it. I removed an end-of-line
space character on the last in the series, FYI.
The ability to jump back to the context makes the context-independence
less of an emergency than it might be, but if you know of some that
could use immediate help, please point them out to me. Longer term,
it will of course be necessary to scan each quick quiz and update those
that need to be more self-contained.
For a printed book, would it make sense to put the page number of the
quick-quiz source (the location of the little box containing "QQ" and
the quick-quiz number) into each answer? Or after each question?
Thanx, Paul
> Thanks, Akira
> --
> Akira Yokosawa (5):
> Makefile: Fix typo in CREFPTN
> Enhance qqz scheme for chapterwise QQZ answers
> perfbook-lt.tex: Tell cleveref not to capitalize 'page' in \cpageref{}
> datastruct: Use nbsp in captions (State (a), State (b), etc.)
> formal: Retouch Table E.4
>
> .gitignore | 2 +-
> Makefile | 17 ++++++++---
> SMPdesign/SMPdesign.tex | 4 ++-
> advsync/advsync.tex | 4 ++-
> appendix/questions/questions.tex | 4 ++-
> appendix/toyrcu/toyrcu.tex | 4 ++-
> appendix/whymb/whymemorybarriers.tex | 4 ++-
> count/count.tex | 4 ++-
> cpu/cpu.tex | 4 ++-
> datastruct/datastruct.tex | 12 ++++----
> debugging/debugging.tex | 4 ++-
> defer/defer.tex | 4 ++-
> easy/easy.tex | 4 ++-
> formal/axiomatic.tex | 26 ++++++++++-------
> formal/formal.tex | 4 ++-
> future/future.tex | 4 ++-
> howto/howto.tex | 27 ++++++++++++++----
> intro/intro.tex | 4 ++-
> locking/locking.tex | 4 ++-
> memorder/memorder.tex | 4 ++-
> owned/owned.tex | 4 ++-
> perfbook-lt.tex | 5 ++++
> qqz.sty | 22 +++++++++++++--
> together/together.tex | 4 ++-
> toolsoftrade/toolsoftrade.tex | 4 ++-
> utilities/divideqqz.pl | 42 ++++++++++++++++++++++++++++
> 26 files changed, 179 insertions(+), 46 deletions(-)
> create mode 100755 utilities/divideqqz.pl
>
> --
> 2.17.1
>
^ permalink raw reply [flat|nested] 7+ messages in thread
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2020-07-29 15:15 ` [PATCH 2/5] Enhance qqz scheme for chapterwise QQZ answers Akira Yokosawa
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