Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 212,300
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     214,648
Calibration 2     213,149
Calibration 3     212,917
ssj_ops@calibrated=213,033
100% 99.7% 213,033 212,300
90% 89.2% 191,730 189,937
80% 80.4% 170,426 171,379
70% 69.7% 149,123 148,460
60% 60.2% 127,820 128,186
50% 50.4% 106,517 107,382
40% 39.8% 85,213 84,712
30% 29.8% 63,910 63,540
20% 19.7% 42,607 42,045
10% 10.0% 21,303 21,301
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 15,616,033 1,494
Payment 15,616,031
Order Status 1,561,603
Delivery 1,561,604
Stock Level 1,561,603
Customer Report 15,616,037
Calibration 2 New Order 15,503,167 1,494
Payment 15,503,166
Order Status 1,550,317
Delivery 1,550,315
Stock Level 1,550,317
Customer Report 15,503,166
Calibration 3 New Order 15,486,091 1,494
Payment 15,486,087
Order Status 1,548,608
Delivery 1,548,608
Stock Level 1,548,608
Customer Report 15,486,090
100% 99.7% New Order 15,441,008 1,494
Payment 15,441,005
Order Status 1,544,100
Delivery 1,544,101
Stock Level 1,544,100
Customer Report 15,440,999
90% 89.2% New Order 13,813,816 1,494
Payment 13,813,815
Order Status 1,381,382
Delivery 1,381,382
Stock Level 1,381,383
Customer Report 13,813,818
80% 80.4% New Order 12,464,708 1,494
Payment 12,464,706
Order Status 1,246,471
Delivery 1,246,470
Stock Level 1,246,470
Customer Report 12,464,709
70% 69.7% New Order 10,797,632 1,494
Payment 10,797,635
Order Status 1,079,764
Delivery 1,079,764
Stock Level 1,079,764
Customer Report 10,797,637
60% 60.2% New Order 9,322,653 1,494
Payment 9,322,656
Order Status 932,266
Delivery 932,264
Stock Level 932,265
Customer Report 9,322,654
50% 50.4% New Order 7,809,654 1,494
Payment 7,809,655
Order Status 780,965
Delivery 780,965
Stock Level 780,964
Customer Report 7,809,658
40% 39.8% New Order 6,160,911 1,494
Payment 6,160,911
Order Status 616,091
Delivery 616,092
Stock Level 616,090
Customer Report 6,160,910
30% 29.8% New Order 4,621,258 1,494
Payment 4,621,262
Order Status 462,126
Delivery 462,125
Stock Level 462,125
Customer Report 4,621,258
20% 19.7% New Order 3,057,877 1,494
Payment 3,057,880
Order Status 305,788
Delivery 305,788
Stock Level 305,788
Customer Report 3,057,879
10% 10.0% New Order 1,549,214 1,494
Payment 1,549,219
Order Status 154,922
Delivery 154,922
Stock Level 154,922
Customer Report 1,549,214
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0