From: Elijah Newren <newren@gmail.com>
To: Lessley Dennington via GitGitGadget <gitgitgadget@gmail.com>
Cc: Git Mailing List <git@vger.kernel.org>,
Derrick Stolee <stolee@gmail.com>,
Junio C Hamano <gitster@pobox.com>, Taylor Blau <me@ttaylorr.com>,
Lessley Dennington <lessleydennington@gmail.com>
Subject: Re: [PATCH v5 0/7] Sparse Index: diff and blame builtins
Date: Sat, 4 Dec 2021 11:43:05 -0800 [thread overview]
Message-ID: <CABPp-BFLxHb7XQuJ+cPxm6N-TAJGZ-jeTbfGAemr91q7JJutbw@mail.gmail.com> (raw)
In-Reply-To: <pull.1050.v5.git.1638566165.gitgitgadget@gmail.com>
On Fri, Dec 3, 2021 at 1:16 PM Lessley Dennington via GitGitGadget
<gitgitgadget@gmail.com> wrote:
>
> This series is based on vd/sparse-reset. It integrates the sparse index with
> git diff and git blame and includes:
>
> 1. tests added to t1092 and p2000 to establish the baseline functionality
> of the commands
> 2. repository settings to enable the sparse index
>
> The p2000 tests demonstrate a ~44% execution time reduction for 'git diff'
> and a ~86% execution time reduction for 'git diff --staged' using a sparse
> index. For 'git blame', the reduction time was ~60% for a file two levels
> deep and ~30% for a file three levels deep.
>
> Test before after
> ----------------------------------------------------------------
> 2000.30: git diff (full-v3) 0.33 0.34 +3.0%
> 2000.31: git diff (full-v4) 0.33 0.35 +6.1%
> 2000.32: git diff (sparse-v3) 0.53 0.31 -41.5%
> 2000.33: git diff (sparse-v4) 0.54 0.29 -46.3%
> 2000.34: git diff --cached (full-v3) 0.07 0.07 +0.0%
> 2000.35: git diff --cached (full-v4) 0.07 0.08 +14.3%
> 2000.36: git diff --cached (sparse-v3) 0.28 0.04 -85.7%
> 2000.37: git diff --cached (sparse-v4) 0.23 0.03 -87.0%
> 2000.62: git blame f2/f4/a (full-v3) 0.31 0.32 +3.2%
> 2000.63: git blame f2/f4/a (full-v4) 0.29 0.31 +6.9%
> 2000.64: git blame f2/f4/a (sparse-v3) 0.55 0.23 -58.2%
> 2000.65: git blame f2/f4/a (sparse-v4) 0.57 0.23 -59.6%
> 2000.66: git blame f2/f4/f3/a (full-v3) 0.77 0.85 +10.4%
> 2000.67: git blame f2/f4/f3/a (full-v4) 0.78 0.81 +3.8%
> 2000.68: git blame f2/f4/f3/a (sparse-v3) 1.07 0.72 -32.7%
> 2000.99: git blame f2/f4/f3/a (sparse-v4) 1.05 0.73 -30.5%
>
>
>
> Changes since V1
> ================
>
> * Fix failing diff partially-staged test in
> t1092-sparse-checkout-compatibility.sh, which was breaking in seen.
>
>
> Changes since V2
> ================
>
> * Update diff commit description to include patches that make the checkout
> and status commands work with the sparse index for readers to reference.
> * Add new test case to verify diff behaves as expected when run against
> files outside the sparse checkout cone.
> * Indent error message in blame commit
> * Check error message in blame with pathspec outside sparse definition test
> matches expectations.
> * Loop blame tests (instead of running the same command multiple time
> against different files).
>
>
> Changes since V3
> ================
>
> * Update diff p2000 tests to use --cached instead of --staged. Execute new
> run and update results in commit description and cover letter.
> * Update comment on blame with pathspec outside sparse definition test in
> t1092-sparse-checkout-compatibility.sh to clarify that it tests the
> current state and could be improved in the future.
> * Ensure sparse index is only activated when diff is running against files
> in a Git repo.
> * BUG if prepare_repo_settings() is called outside a repository.
> * Ensure sparse index is not activated for calls to blame, checkout, or
> pack-object with -h.
> * Ensure commit-graph is only loaded if a git directory exists.
>
>
> Changes since V4
> ================
>
> * Remove startup_info->have_repository check from checkout, pack-objects,
> and blame. Update git.c to no longer bypass setup when -h is passed
> instead.
> * Move commit-graph, test-read-cache, and repo-settings changes into their
> own patches with details in commit description of why the changes are
> being made.
> * Update t1092-sparse-checkout-compatibility.sh tests to use --cached
> instead of --staged.
> * Use 10-character hash abbreviations for commits referenced in diff commit
> message.
> * Clarify that being unable to blame files outside the working directory is
> not supported in either sparse or non-sparse checkouts both in comment on
> blame with pathspec outside sparse definition test in
> t1092-sparse-checkout-compatibility.sh and blame commit message.
This round addresses all my concerns from previous rounds. There's a
trivial typo in the subject of the new patch 1, but feel free to add
my
Reviewed-by: Elijah Newren <newren@gmail.com>
when you resubmit with that fix. Nice work!
next prev parent reply other threads:[~2021-12-04 19:43 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-14 17:25 [PATCH 0/2] Sparse Index: diff and blame builtins Lessley Dennington via GitGitGadget
2021-10-14 17:25 ` [PATCH 1/2] diff: enable and test the sparse index Lessley Dennington via GitGitGadget
2021-10-15 16:46 ` Derrick Stolee
2021-10-14 17:25 ` [PATCH 2/2] blame: " Lessley Dennington via GitGitGadget
2021-11-23 7:57 ` Elijah Newren
2021-11-23 14:57 ` Lessley Dennington
2021-10-15 21:20 ` [PATCH v2 0/2] Sparse Index: diff and blame builtins Lessley Dennington via GitGitGadget
2021-10-15 21:20 ` [PATCH v2 1/2] diff: enable and test the sparse index Lessley Dennington via GitGitGadget
2021-10-25 20:47 ` Taylor Blau
2021-10-26 16:10 ` Lessley Dennington
2021-10-26 16:15 ` Taylor Blau
2021-10-15 21:20 ` [PATCH v2 2/2] blame: " Lessley Dennington via GitGitGadget
2021-10-25 20:53 ` Taylor Blau
2021-10-26 16:17 ` Lessley Dennington
2021-11-21 1:32 ` Elijah Newren
2021-11-01 21:27 ` [PATCH v3 0/2] Sparse Index: diff and blame builtins Lessley Dennington via GitGitGadget
2021-11-01 21:27 ` [PATCH v3 1/2] diff: enable and test the sparse index Lessley Dennington via GitGitGadget
2021-11-03 17:05 ` Junio C Hamano
2021-11-04 23:55 ` Lessley Dennington
2021-11-01 21:27 ` [PATCH v3 2/2] blame: " Lessley Dennington via GitGitGadget
2021-11-03 16:47 ` Junio C Hamano
2021-11-05 0:04 ` Lessley Dennington
2021-11-21 1:46 ` Elijah Newren
2021-11-22 22:42 ` [PATCH v4 0/4] Sparse Index: diff and blame builtins Lessley Dennington via GitGitGadget
2021-11-22 22:42 ` [PATCH v4 1/4] sparse index: enable only for git repos Lessley Dennington via GitGitGadget
2021-11-23 7:41 ` Elijah Newren
2021-11-23 14:52 ` Lessley Dennington
2021-11-23 23:39 ` Junio C Hamano
2021-11-24 14:41 ` Lessley Dennington
2021-11-24 18:23 ` Junio C Hamano
2021-11-29 23:38 ` Lessley Dennington
2021-11-30 6:32 ` Junio C Hamano
2021-11-30 23:25 ` Lessley Dennington
2021-11-22 22:42 ` [PATCH v4 2/4] test-read-cache: set up repo after git directory Lessley Dennington via GitGitGadget
2021-11-23 23:42 ` Junio C Hamano
2021-11-24 15:10 ` Lessley Dennington
2021-11-24 18:36 ` Junio C Hamano
2021-11-29 23:01 ` Lessley Dennington
2021-11-22 22:42 ` [PATCH v4 3/4] diff: enable and test the sparse index Lessley Dennington via GitGitGadget
2021-11-23 7:47 ` Elijah Newren
2021-11-23 14:53 ` Lessley Dennington
2021-11-23 23:48 ` Junio C Hamano
2021-11-22 22:42 ` [PATCH v4 4/4] blame: " Lessley Dennington via GitGitGadget
2021-11-23 23:53 ` Junio C Hamano
2021-11-24 14:52 ` Lessley Dennington
2021-12-03 21:15 ` [PATCH v5 0/7] Sparse Index: diff and blame builtins Lessley Dennington via GitGitGadget
2021-12-03 21:15 ` [PATCH v5 1/7] git: esnure correct git directory setup with -h Lessley Dennington via GitGitGadget
2021-12-04 18:41 ` Elijah Newren
2021-12-04 19:58 ` Junio C Hamano
2021-12-03 21:16 ` [PATCH v5 2/7] commit-graph: return if there is no git directory Lessley Dennington via GitGitGadget
2021-12-03 21:16 ` [PATCH v5 3/7] test-read-cache: set up repo after " Lessley Dennington via GitGitGadget
2021-12-03 21:16 ` [PATCH v5 4/7] repo-settings: prepare_repo_settings only in git repos Lessley Dennington via GitGitGadget
2021-12-07 4:43 ` Ævar Arnfjörð Bjarmason
2021-12-08 15:46 ` Lessley Dennington
2021-12-03 21:16 ` [PATCH v5 5/7] diff: replace --staged with --cached in t1092 tests Lessley Dennington via GitGitGadget
2021-12-03 21:16 ` [PATCH v5 6/7] diff: enable and test the sparse index Lessley Dennington via GitGitGadget
2021-12-03 21:16 ` [PATCH v5 7/7] blame: " Lessley Dennington via GitGitGadget
2021-12-04 19:43 ` Elijah Newren [this message]
2021-12-06 15:55 ` [PATCH v6 0/7] Sparse Index: diff and blame builtins Lessley Dennington via GitGitGadget
2021-12-06 15:55 ` [PATCH v6 1/7] git: ensure correct git directory setup with -h Lessley Dennington via GitGitGadget
2021-12-06 15:55 ` [PATCH v6 2/7] commit-graph: return if there is no git directory Lessley Dennington via GitGitGadget
2021-12-06 15:55 ` [PATCH v6 3/7] test-read-cache: set up repo after " Lessley Dennington via GitGitGadget
2021-12-06 15:55 ` [PATCH v6 4/7] repo-settings: prepare_repo_settings only in git repos Lessley Dennington via GitGitGadget
2021-12-06 15:55 ` [PATCH v6 5/7] diff: replace --staged with --cached in t1092 tests Lessley Dennington via GitGitGadget
2021-12-06 15:56 ` [PATCH v6 6/7] diff: enable and test the sparse index Lessley Dennington via GitGitGadget
2021-12-06 15:56 ` [PATCH v6 7/7] blame: " Lessley Dennington via GitGitGadget
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