Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 205,315
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     204,728
Calibration 2     203,898
Calibration 3     204,914
ssj_ops@calibrated=204,406
100% 100.4% 204,406 205,315
90% 90.6% 183,966 185,137
80% 80.6% 163,525 164,826
70% 69.9% 143,084 142,960
60% 60.0% 122,644 122,738
50% 49.4% 102,203 101,012
40% 39.8% 81,763 81,401
30% 30.0% 61,322 61,413
20% 20.5% 40,881 41,882
10% 10.0% 20,441 20,440
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 14,892,436 1,494
Payment 14,892,439
Order Status 1,489,243
Delivery 1,489,244
Stock Level 1,489,244
Customer Report 14,892,436
Calibration 2 New Order 14,829,202 1,494
Payment 14,829,198
Order Status 1,482,920
Delivery 1,482,921
Stock Level 1,482,920
Customer Report 14,829,200
Calibration 3 New Order 14,903,386 1,494
Payment 14,903,390
Order Status 1,490,340
Delivery 1,490,338
Stock Level 1,490,338
Customer Report 14,903,387
100% 100.4% New Order 14,932,958 1,494
Payment 14,932,955
Order Status 1,493,296
Delivery 1,493,296
Stock Level 1,493,297
Customer Report 14,932,957
90% 90.6% New Order 13,465,389 1,494
Payment 13,465,388
Order Status 1,346,538
Delivery 1,346,540
Stock Level 1,346,539
Customer Report 13,465,390
80% 80.6% New Order 11,987,407 1,494
Payment 11,987,404
Order Status 1,198,740
Delivery 1,198,741
Stock Level 1,198,741
Customer Report 11,987,408
70% 69.9% New Order 10,397,981 1,494
Payment 10,397,985
Order Status 1,039,799
Delivery 1,039,797
Stock Level 1,039,799
Customer Report 10,397,981
60% 60.0% New Order 8,926,515 1,494
Payment 8,926,515
Order Status 892,651
Delivery 892,650
Stock Level 892,652
Customer Report 8,926,513
50% 49.4% New Order 7,346,363 1,494
Payment 7,346,361
Order Status 734,637
Delivery 734,637
Stock Level 734,637
Customer Report 7,346,365
40% 39.8% New Order 5,920,172 1,494
Payment 5,920,172
Order Status 592,017
Delivery 592,018
Stock Level 592,017
Customer Report 5,920,169
30% 30.0% New Order 4,466,604 1,494
Payment 4,466,604
Order Status 446,660
Delivery 446,662
Stock Level 446,661
Customer Report 4,466,601
20% 20.5% New Order 3,046,018 1,494
Payment 3,046,021
Order Status 304,603
Delivery 304,603
Stock Level 304,603
Customer Report 3,046,019
10% 10.0% New Order 1,486,551 1,494
Payment 1,486,548
Order Status 148,654
Delivery 148,656
Stock Level 148,654
Customer Report 1,486,552
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0