Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 192,709
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     201,095
Calibration 2     193,861
Calibration 3     192,995
ssj_ops@calibrated=193,428
100% 99.6% 193,428 192,709
90% 90.6% 174,085 175,226
80% 79.8% 154,742 154,438
70% 70.2% 135,400 135,738
60% 59.6% 116,057 115,293
50% 50.1% 96,714 96,835
40% 40.3% 77,371 78,016
30% 30.0% 58,028 58,107
20% 19.9% 38,686 38,545
10% 10.0% 19,343 19,439
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 14,627,726 1,494
Payment 14,627,731
Order Status 1,462,774
Delivery 1,462,774
Stock Level 1,462,772
Customer Report 14,627,726
Calibration 2 New Order 14,099,981 1,494
Payment 14,099,980
Order Status 1,409,999
Delivery 1,409,999
Stock Level 1,409,998
Customer Report 14,099,979
Calibration 3 New Order 14,036,074 1,494
Payment 14,036,085
Order Status 1,403,610
Delivery 1,403,607
Stock Level 1,403,607
Customer Report 14,036,081
100% 99.6% New Order 14,016,491 1,494
Payment 14,016,491
Order Status 1,401,650
Delivery 1,401,651
Stock Level 1,401,649
Customer Report 14,016,490
90% 90.6% New Order 12,743,734 1,494
Payment 12,743,739
Order Status 1,274,374
Delivery 1,274,374
Stock Level 1,274,374
Customer Report 12,743,737
80% 79.8% New Order 11,232,758 1,494
Payment 11,232,759
Order Status 1,123,277
Delivery 1,123,276
Stock Level 1,123,276
Customer Report 11,232,757
70% 70.2% New Order 9,871,977 1,494
Payment 9,871,973
Order Status 987,196
Delivery 987,198
Stock Level 987,197
Customer Report 9,871,976
60% 59.6% New Order 8,385,198 1,494
Payment 8,385,193
Order Status 838,521
Delivery 838,519
Stock Level 838,520
Customer Report 8,385,195
50% 50.1% New Order 7,042,655 1,494
Payment 7,042,653
Order Status 704,266
Delivery 704,266
Stock Level 704,265
Customer Report 7,042,658
40% 40.3% New Order 5,673,910 1,494
Payment 5,673,908
Order Status 567,391
Delivery 567,391
Stock Level 567,391
Customer Report 5,673,904
30% 30.0% New Order 4,226,138 1,494
Payment 4,226,141
Order Status 422,614
Delivery 422,614
Stock Level 422,615
Customer Report 4,226,138
20% 19.9% New Order 2,803,569 1,494
Payment 2,803,565
Order Status 280,357
Delivery 280,357
Stock Level 280,357
Customer Report 2,803,561
10% 10.0% New Order 1,413,819 1,494
Payment 1,413,819
Order Status 141,381
Delivery 141,383
Stock Level 141,383
Customer Report 1,413,822
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0