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Mon, 26 Feb 2024 09:13:01 -0800 (PST) MIME-Version: 1.0 References: <20240224144041.7huny3lmihsrokdm@chazelas.org> <20240225065400.wrb3jxr7vub6t42v@chazelas.org> In-Reply-To: From: Bart Schaefer Date: Mon, 26 Feb 2024 09:12:50 -0800 Message-ID: Subject: Re: Example / partial fix for printf with math expressions To: Zsh hackers list Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Seq: 52615 Archived-At: X-Loop: zsh-workers@zsh.org Errors-To: zsh-workers-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-workers-request@zsh.org X-no-archive: yes List-Id: List-Help: , List-Subscribe: , List-Unsubscribe: , List-Post: List-Owner: List-Archive: On Sun, Feb 25, 2024 at 4:04=E2=80=AFPM Bart Schaefer wrote: > > However, I think you could change META_HEAPDUP and META_USEHEAP to > META_NOALLOC, becuase you're re-metafying back into the same space > that was originally unmetafied? That might cut the performance > penalty a lot. No metafication: zsh -c 'repeat 1000 printf %d 123_456+{1..10000}' > /dev/null 7.51s user 0.39s system 99% cpu 7.907 total USEHEAP: Src/zsh -c 'repeat 1000 printf %d 123_456+{1..10000}' > /dev/null 8.62s user 0.59s system 99% cpu 9.218 total NOALLOC: Src/zsh -c 'repeat 1000 printf %d 123_456+{1..10000}' > /dev/null 7.89s user 0.36s system 99% cpu 8.255 total All of this is with full debugging, an optimized compile might change it.